Gulf ocean temperature

Jul 14, 2023 · Water temperatures in the Gulf of Mexico have been abnormally warm this summer and scientists are concerned about potential environmental impacts. On Wednesday, a 98-degree water temperature was ...

Apr 29, 2024 · Current ocean temperature in Gulf St Vincent. Water temperature in Gulf St Vincent today is 17.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Gulf St Vincent was recorded in 2018 and was 19.6°C, and the coldest was recorded in 2015 at 16.9°C. Sea water temperature in Gulf St Vincent is expected ... 3 days ago · National Weather Service National Centers for Environmental Prediction NOAA Center for Weather and Climate Prediction (NCWCP) Ocean Prediction Center 5830 University Research Court College Park, Maryland 20740-3818 Phone: 301-683-1520 Fax: 301-683-1501 (SDM), 301-683-1545 (back office-administrative) OPC Email Feedback Current ocean temperature in South Padre Island. Water temperature in South Padre Island today is 75°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near South Padre Island was recorded in 2016 and was 77.7°F, and the coldest was recorded in 2013 at 70.7°F.During a year in Galveston there are 229 days of swimming. In general, the swimming season ends In November. Average annual water temperature on the coast in Galveston is 72°F, by the seasons: in winter 57°F, in spring 71°F, in summer 85°F, in autumn 75°F. Minimum water temperature (52°F) in Galveston it happens in February, maximum (89 ...Current weather. 17°C / 63°F. (scattered clouds) Wind. 16 mph. Humidity. 71%. The measurements for the water temperature in Tampa, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.Cape Hatteras Sea Surface Temperature. 240504.125.1200.n06. Created at: 2024-05-04 12:05Z

Current ocean temperature in Tampa Bay. Water temperature in Tampa Bay today is 78.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Tampa Bay was recorded in 2021 and was 81.9°F, and the coldest was recorded in 2008 at 74.8°F. Sea water temperature in Tampa Bay is expected ...The water temperature in Gulf of Maine today is higher than the average temperature of 5.03° C (41.05° F) and the temperature on this day last year, 22nd April 2023, was 5.63° C (42.13° F). The chart and table below shows the change in water temperature in Gulf of Maine over the last 30 days: Date. Temperature (Celsius)Current weather. 22°C / 72°F. (few clouds) Wind. 5 mph. Humidity. 51%. The measurements for the water temperature in Bonita Springs, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.Current ocean temperature in Anna Maria. Water temperature in Anna Maria today is 75.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Anna Maria was recorded in 2011 and was 78.4°F, and the coldest was recorded in 2010 at 73°F. Sea water temperature in Anna Maria is …The data are plotted in degrees Celsius. Lake Huron. Between 2016 and 2021 the mean sea surface temperature for Lake Huron was only higher than 39% of the temperatures between 1995 and 2021. Sea surface temperature is defined as the average temperature of the top few millimeters of the ocean.The data show that the Gulf of Mexico sea surface temperature (SST) increased approximately 1.0°C (1.8°̊F) between 1970 and 2020, equivalent to a warming rate of approximately 0.19°C (0.34°F) per decade. The Gulf of Mexico warmed at twice the rate of warming in the global ocean near the sea surface. Warming occurs at all studied depths ...Atlantic Ocean temperature visualisation Source: MyOcean Pro. The coupled ocean-atmosphere system tends to reach a temperature equilibrium: ... As we can see on the graph bellow, sea water temperature in the Gulf de Gascogne oscillate between 12 to 22°C. This explains why winter temperatures in Western Europe are higher than those …The warmest ocean temperature in Texas today is 79°F (in Arroyo City), and the coldest sea temperature is 74.3°F (Freeport). Texas sea surface temperature right now. Below are the cities and resorts in Texas with the values of water temperature today and yesterday. Also indicated are the maximum and minimum water temperatures that were recorded …

3 days ago · Current ocean temperature in Galveston. Water temperature in Galveston today is 75.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Galveston was recorded in 2016 and was 76.8°F, and the coldest was recorded in 2013 at 70.7°F. Sea water temperature in Galveston is expected ... Current ocean temperature in Madeira Beach. Water temperature in Madeira Beach today is 78.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Madeira Beach was recorded in 2021 and was 81.3°F, and the coldest was recorded in 2008 at 74.3°F. Sea water temperature in …Current weather. 21°C / 70°F. (clear sky) Wind. 10 mph. Humidity. 87%. The measurements for the water temperature in Clearwater Beach, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.The water temperature in Gulf of Maine today is higher than the average temperature of 5.03° C (41.05° F) and the temperature on this day last year, 22nd April 2023, was 5.63° C (42.13° F). The chart and table below shows the change in water temperature in Gulf of Maine over the last 30 days: Date. Temperature (Celsius)

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The warmest Gulf of Mexico water temperature today is 84.2°F (in Seybaplaya, Mexico), and the coldest Gulf of Mexico sea surface temperature now is 71.4°F (in Navarre, FL, United States). In general, the swimming season ends In December. Average annual water temperature on the coast in Tampa Bay is 76°F, by the seasons: in winter 65°F, in spring 75°F, in summer 85°F, in autumn 79°F. Minimum water temperature (59°F) in Tampa Bay it happens in January, maximum (88°F) in June.In general, the swimming season ends In December. Average annual water temperature on the coast in Saint Pete Beach is 76°F, by the seasons: in winter 65°F, in spring 73°F, in summer 85°F, in autumn 79°F. Minimum water temperature (60°F) in Saint Pete Beach it happens in February, maximum (88°F) in August. You can find out detailed data ...Current ocean temperature in Galveston. Water temperature in Galveston today is 75.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Galveston was recorded in 2016 and was 76.8°F, and the coldest was recorded in 2013 at 70.7°F. Sea water temperature in Galveston is …

Current ocean temperature in Venice Beach. Water temperature in Venice Beach today is 75.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Venice Beach was recorded in 2015 and was 79.9°F, and the coldest was recorded in 2010 at 73°F. Sea water temperature in Venice …Current ocean temperature in Pensacola. Water temperature in Pensacola today is 73.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Pensacola was recorded in 2011 and was 75.4°F, and the coldest was recorded in 2014 at 70.9°F. Sea water temperature in Pensacola is …The warmest water today in United States recorded in Lake Worth, its value is 78°F.Lowest - in Kotzebue, there water temperature now 28°F.Average water temperature in the country today - 57°F. Water temperature data in Gulf Stream and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river …Jun 19, 2013 · Regularly Updated Operational Coral Bleaching Monitoring Products: 50 km Nighttime SST. SST Anomalies. HotSpots. Degree Heating Weeks. Coral Bleaching Virtual Stations. Satellite Bleaching Alerts. Retrospective Coral Bleaching Monitoring Products: 1983-1998 SST monthly means. Current weather. 21°C / 69°F. (clear sky) Wind. 16 mph. Humidity. 87%. The measurements for the water temperature in Galveston, Texas are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users. The Coastal Water Temperature Guide includes: Near real-time water temperatures on a GIS map. Daily Averaged Sea Surface Temperatures (SST) Table of monthly averages. To compare an area’s recent ocean temperature to its average temperature, select a … In general, the swimming season ends In December. Average annual water temperature on the coast in Sarasota is 77°F, by the seasons: in winter 66°F, in spring 75°F, in summer 85°F, in autumn 80°F. Minimum water temperature (61°F) in Sarasota it happens in January, maximum (88°F) in July. Current weather. 21°C / 69°F. (clear sky) Wind. 16 mph. Humidity. 87%. The measurements for the water temperature in Galveston, Texas are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.Current ocean temperature in Indian Shores. Water temperature in Indian Shores today is 74.5°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Indian Shores was recorded in 2011 and was 79.2°F, and the coldest was recorded in 2010 at 72.9°F. Sea water …The current Gulf of Mexico marine heat wave has been present for several months, beginning in February/March of 2023. NOAA’s experimental marine heat wave forecasts indicate a 70-100% chance that extreme ocean temperatures will persist in the southern Gulf of Mexico and Caribbean Sea through at least October 2023. We have low-to-medium ...

A fast and intense Atlantic Ocean current, the Gulf Stream is located along the eastern coast of the United States and begins along the eastern coast of Florida, where it is fed by...

National Weather Service National Centers for Environmental Prediction NOAA Center for Weather and Climate Prediction (NCWCP) Ocean Prediction Center 5830 University Research Court College Park, Maryland 20740-3818 Phone: 301-683-1520 Fax: 301-683-1501 (SDM), 301-683-1545 (back office-administrative) OPC Email FeedbackAbout the Indicator. This indicator tracks average global sea surface temperature from 1880 through 2020. It also includes a map to show how change in sea surface …Current ocean temperature in Honeymoon Island. Water temperature in Honeymoon Island today is 77°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Honeymoon Island was recorded in 2021 and was 79.7°F, and the coldest was recorded in 2008 at 73.6°F. The warmest ocean temperature in Florida Gulf Coast today is 80.6°F (in Looe Key), and the coldest sea temperature is 73°F (Pensacola). Florida Gulf Coast sea surface temperature right now Below are the cities and resorts in Florida Gulf Coast with the values of water temperature today and yesterday. Jul 14, 2023 · Water temperatures in the Gulf of Mexico have been abnormally warm this summer and scientists are concerned about potential environmental impacts. On Wednesday, a 98-degree water temperature was ... Current ocean temperature in Gulf Breeze. Water temperature in Gulf Breeze today is 72.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Gulf Breeze was recorded in 2017 and was 75.4°F, and the coldest was recorded in 2014 at 71.1°F. Sea water … Average annual water temperature on the coast in Fort Myers Beach is 77°F, by the seasons: in winter 67°F, in spring 75°F, in summer 85°F, in autumn 80°F. Minimum water temperature (61°F) in Fort Myers Beach it happens in January, maximum (89°F) in August. You can find out detailed data on how the water temperature in Fort Myers Beach ...

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Current weather. 22°C / 72°F. (few clouds) Wind. 5 mph. Humidity. 51%. The measurements for the water temperature in Bonita Springs, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.Data: GOES Satellite-Derived Sea Surface Temperatures. Area: Gulf of Mexico. Gulf of Mexico. Parameters: 4 Day Avg Composite. 4 Day Avg Composite. 4 Day Avg Composite.4 days ago · Current ocean temperature in Corpus Christi. Water temperature in Corpus Christi today is 77.5°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Corpus Christi was recorded in 2016 and was 78.8°F, and the coldest was recorded in 2014 at 73°F. Lanzarote, one of the beautiful Canary Islands, is known for its warm and pleasant climate throughout the year. The island’s unique geographical location and its proximity to the A...Air Canada's Aeroplan program has a new partner in Bahraini airline Gulf Air, whose operations span the Middle East, Europe, and more. We may be compensated when you click on produ...Current ocean temperature in Lido Key. Water temperature in Lido Key today is 76.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Lido Key was recorded in 2021 and was 80.4°F, and the coldest was recorded in 2010 at 74.3°F. Sea water temperature in Lido Key is expected …Current weather. 26°C / 80°F. (overcast clouds) Wind. 11 mph. Humidity. 55%. The measurements for the water temperature in Anna Maria, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.Water temperature in Gulf Stream today is 79.3°F. Based on our historical data over a period of ten years, the warmest water in this day in Gulf Stream was recorded in 2016 and was 80.8°F, and the coldest was recorded in 2012 at 77.9°F. Sea water temperature in Gulf Stream is expected to rise to 80.6°F in the next 10 days.Current weather. 19°C / 66°F. (clear sky) Wind. 5 mph. Humidity. 82%. The measurements for the water temperature in Bradenton Beach, Florida are provided by the daily satellite readings provided by the NOAA. The … Current weather. 21°C / 69°F. (clear sky) Wind. 5 mph. Humidity. 76%. The measurements for the water temperature in Panama City Beach, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users. Gulf of Mexico Water Temperature. (Today) 2nd May 2024. 24.1°C / 75.3°F. The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this … ….

Current weather. 21°C / 69°F. (clear sky) Wind. 16 mph. Humidity. 87%. The measurements for the water temperature in Galveston, Texas are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.3 days ago · Current ocean temperature in St Petersburg. Water temperature in St Petersburg today is 76.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near St Petersburg was recorded in 2021 and was 79.2°F, and the coldest was recorded in 2007 at 73.6°F. Are you planning a vacation to Port Aransas and looking for the perfect accommodation? Look no further than the Sea Gull Condos. Nestled along the beautiful Gulf Coast, Sea Gull Co...Most often, the ocean temperatures are being used to determine the state/strength of the Gulf Stream and the entire North Atlantic current circulation. ... The Gulf Stream and the ocean currents play an important role in these events, especially for the United States and Europe. The latest study on the collapse of the Atlantic Ocean …Current weather. 20°C / 67°F. (clear sky) Wind. 14 mph. Humidity. 78%. The measurements for the water temperature in Tampa Bay, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.Current ocean temperature in Florida Keys. Water temperature in Florida Keys today is 80.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Florida Keys was recorded in 2019 and was 81.9°F, and the coldest was recorded in 2009 at 78.1°F. Sea water temperature in …Since the Gulf Stream also extends towards Europe, it helps to warm the western European countries, having a major impact on the regional climate. We can best see the Gulf Stream if we look at the temperature analysis and the ocean surface current speed. The image below shows the ocean surface temperature in summer.If you’re planning a beach vacation in Port Aransas, Texas, one of the best options for accommodation is a Sea Gull condo. With its prime location and stunning views of the Gulf of...Current ocean temperature in Bonita Springs. Water temperature in Bonita Springs today is 78.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Bonita Springs was recorded in 2021 and was 82.6°F, and the coldest was recorded in 2010 at 75.6°F. Sea water temperature in … Gulf ocean temperature, Current weather. 20°C / 68°F. (clear sky) Wind. 3 mph. Humidity. 92%. The measurements for the water temperature in Clearwater, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users., Current ocean temperature in Gulf Shores. Water temperature in Gulf Shores today is 74.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Gulf Shores was recorded in 2022 and was 75.9°F, and the coldest was recorded in 2013 at 71.4°F. Sea water temperature in Gulf Shores is ..., Current ocean temperature in Pensacola. Water temperature in Pensacola today is 72.5°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Pensacola was recorded in 2017 and was 75.2°F, and the coldest was recorded in 2021 at 70.7°F., The Gulf of Mexico is considered a marginal sea of the Atlantic Ocean. The gulf was considered part of the Atlantic Ocean until the 1540s, when it was named the Seno Mexicano by Sp..., Current ocean temperature in Pensacola. Water temperature in Pensacola today is 73.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Pensacola was recorded in 2011 and was 75.4°F, and the coldest was recorded in 2014 at 70.9°F. Sea water temperature in Pensacola is …, The swimming season in this location lasts all year round. Average annual water temperature on the coast in Marathon is 79°F, by the seasons: in winter 73°F, in spring 78°F, in summer 85°F, in autumn 82°F. Minimum water temperature (68°F) in Marathon it happens in February, maximum (87°F) in July., 15 Jul 2019 ... The warmest oceans in the US are in south Florida (palm beach to Monroe county). However, while the ocean temperature is safe to swim in January ..., Current ocean temperature in Indian Rocks Beach. Water temperature in Indian Rocks Beach today is 77°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Indian Rocks Beach was recorded in 2016 and was 79°F, and the coldest was recorded in 2008 at 73.6°F., Ocean Global Ocean Model Currents; Global Ocean Model Sea Surface Temperatures; Gulf Stream ASCII Data; Gulf Stream Comparison; Past Weather Hurricane Force Low Climatology; Product Archives; Probabilistic Wave Height Guidance; Wind Speed Guidance, Current weather. 20°C / 67°F. (scattered clouds) Wind. 7 mph. Humidity. 93%. The measurements for the water temperature in Venice, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users., Current ocean temperature in Panama City. Water temperature in Panama City today is 73.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Panama City was recorded in 2019 and was 76.5°F, and the coldest 70.9°F. Sea water temperature in Panama City is expected to rise to 75.9°F in the next 10 days., Current ocean temperature in Pensacola. Water temperature in Pensacola today is 73.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Pensacola was recorded in 2011 and was 75.4°F, and the coldest was recorded in 2014 at 70.9°F. Sea water temperature in Pensacola is …, July 12, 2023. Florida’s coral reefs are facing what could be an unprecedented threat from a marine heat wave that is warming the Gulf of Mexico, pushing water temperatures into the 90s ..., Atlantic Ocean Water Temperature. The water temperature in the Atlantic is also greatly affected by currents, most notably the Gulf Stream. Current Atlantic Ocean water temperature map. °C., Owned and maintained by NOAA's National Ocean Service Water Level Observation Network 27.978 N 82.832 W (27°58'40" N 82°49'55" W) Site elevation: 1.3 m above mean sea level Air temp height: 3.2 m above site elevation Anemometer height: 6.7 m above site elevation Barometer elevation: 4.7 m above mean sea level Sea temp depth: 3.7 m …, Carbonwave recently pulled in $5 million to put the hulking algae blooms to good use in things like cosmetics and faux leather. A brown macroalgae native to the Atlantic’s Sargasso..., Current weather. 20°C / 67°F. (scattered clouds) Wind. 7 mph. Humidity. 93%. The measurements for the water temperature in Venice, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users., Current weather. 24°C / 75°F. (overcast clouds) Wind. 3 mph. Humidity. 88%. The measurements for the water temperature in Corpus Christi, Texas are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users. , 75°F. #maximum. 83°F. At the moment on the beaches in Gulf of Mexico the water temperature ranges from cool to comfortable and warm. Gulf of Mexico: countries. We …, View of the Burj Al Arab and Persian Gulf Average Monthly Sea Temperature. Dubai lies on the Persian Gulf (aka Arabian Gulf). Its waters are warm throughout the year, roughly following the changes in air temperature.. The average sea temperature throughout the year is 28 °C (82 °F), ranging from a low of 22 °C (72 °F) in …, PassageWeather was developed out of the need for accurate, reliable and easy to use weather information and forecasts. We provide 7-day Wind, Wave and Weather Forecasts to help sailors with their passage planning and weather routing. Both before and during deliveries, ocean races, regattas, cruises and all other types of offshore passages, we ..., 3 days ago · Current ocean temperature in St Petersburg. Water temperature in St Petersburg today is 76.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near St Petersburg was recorded in 2021 and was 79.2°F, and the coldest was recorded in 2007 at 73.6°F. , National Weather Service National Centers for Environmental Prediction NOAA Center for Weather and Climate Prediction (NCWCP) Ocean Prediction Center 5830 University Research Court College Park, Maryland 20740-3818 Phone: 301-683-1520 Fax: 301-683-1501 (SDM), 301-683-1545 (back office-administrative) OPC Email Feedback, Current ocean temperature in Dunedin. Water temperature in Dunedin today is 77.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Dunedin was recorded in 2021 and was 81.9°F, and the coldest was recorded in 2008 at 73.8°F. Sea water temperature in Dunedin is expected to rise ..., 3 days ago · Current ocean temperature in Venice Beach. Water temperature in Venice Beach today is 75.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Venice Beach was recorded in 2015 and was 79.9°F, and the coldest was recorded in 2010 at 73°F. Sea water temperature in Venice Beach ... , Current weather. 20°C / 68°F. (clear sky) Wind. 6 mph. Humidity. 74%. The measurements for the water temperature in Siesta Key, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users., 75.4. 65.1. 59.0. Jump to regional table: Northern Atlantic Coast Central Atlantic Coast Southern Atlantic Coast Other Atlantic Sites Eastern Gulf of Mexico Coast Western Gulf of Mexico Coast Northern Pacific Coast Central Pacific Coast Southern Pacific Coast Other Pacific Islands Great Lakes Alaska Coast Hawaiian Island Coast. , Air Canada's Aeroplan program has a new partner in Bahraini airline Gulf Air, whose operations span the Middle East, Europe, and more. We may be compensated when you click on produ..., Jul 14, 2023 · The current Gulf of Mexico marine heat wave has been present for several months, beginning in February/March of 2023. NOAA’s experimental marine heat wave forecasts indicate a 70-100% chance that extreme ocean temperatures will persist in the southern Gulf of Mexico and Caribbean Sea through at least October 2023. We have low-to-medium ... , 2 days ago · Current ocean temperature in Naples. Water temperature in Naples today is 77.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Naples was recorded in 2020 and was 81°F, and the coldest was recorded in 2010 at 74.7°F. Sea water temperature in Naples is expected to rise to 80.1°F in the next 10 days. , Current ocean temperature in Longboat Key. Water temperature in Longboat Key today is 75.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Longboat Key was recorded in 2021 and was 78.6°F, and the coldest was recorded in 2010 at 73°F. Sea water temperature in Longboat Key is expected to …, Ocean Temperature Trend. The dashboard defaults to show the current 12-month rolling average annual ocean (sea surface) temperatures for the Gulf of Maine against a 1901-2000 baseline average, and against three future projections up to the year 2100., Sea water temperature in Key West is expected to rise to 80.8°F in the next 10 days. May average water temperature in Key West is 81.1°F, the minimum temperature is 77°F, and the maximum is 84.9°F. The swimming season in Key West lasts from January to December, twelve months per year!