Gulf Stream water temp

This data the coastal Gulf Stream ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Gulf Stream

Water temperature in Gulf Stream today is 86.2°F. Based on our historical data over a period of ten years, the warmest water in this day in Gulf Stream was recorded in 2023 and was 86.9°F, and the coldest was recorded in 2013 at 83.3°F. Sea water temperature in Gulf Stream is expected to drop to 84.6°F in the next 10 days. September average water temperature in Gulf Stream is 85.3°F, the minimum temperature is 83.1°F, and the maximum is 87.8°F.

The swimming season in Gulf Stream lasts from January to December, twelve months per year! During those months, Gulf Stream water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Gulf Stream in winter reaches 77.4°F, in spring 79°F, in summer the average temperature rises to 84.7°F, and in autumn it is 83.1°F.

Gulf Stream water temperature now

The ocean salinity in Gulf Stream is 36.41‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Gulf Stream for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Gulf Stream. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Gulf Stream. Data in table shown for September 20, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Gulf Stream

Gulf Stream weather forecast

Current temperature and weather

Data in a table show Gulf Stream temperature today (September 20, 2025). For more information and forecast for a few days, go to the weather forecast Gulf Stream.

0-3 h	3-6 h	6-9 h	9-12 h
79.7°F	79°F	78.6°F	81.5°F

12-15 h	15-18 h	18-21 h	21-24 h
86.7°F	86.5°F	83.8°F	81.1°F

Gulf Stream water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Gulf Stream. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Gulf Stream on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Gulf Stream

The most popular beaches and cities in Florida with sea temperature today, weather, air temperature and sea state (wave height)

	Water	Weather		Wave
Sarasota	83.5°F	87.8°F		0' 9"
Key West	85.8°F	84.2°F		1' 3"
Naples	84.9°F	91.4°F		0' 9"
Miami Beach	86.2°F	87.8°F		2' 2"
Fort Myers Beach	85.5°F	87.8°F		0' 6"
Destin	83.1°F	86°F		0' 10"
Fort Lauderdale	86.2°F	87.8°F		3' 1"
Key Largo	86.4°F	86°F		1' 8"
Cocoa Beach	83.5°F	82.4°F		1' 7"
Clearwater Beach	82.6°F	89.6°F		0' 8"

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Our report for Gulf Stream is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.