Fort Island Beach water temp

This data the coastal Fort Island Beach 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 Fort Island Beach

Water temperature in Fort Island Beach today is 85.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Fort Island Beach was recorded in 2018 and was 86.4°F, and the coldest was recorded in 2008 at 79.7°F. Sea water temperature in Fort Island Beach is expected to drop to 80.1°F in the next 10 days. September average water temperature in Fort Island Beach is 84°F, the minimum temperature is 79.3°F, and the maximum is 88.2°F.

The swimming season in Fort Island Beach lasts from March to December. During those months, Fort Island Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Fort Island Beach in winter reaches 63.3°F, in spring 73.8°F, in summer the average temperature rises to 85.6°F, and in autumn it is 77.5°F.

Fort Island Beach water temperature now

The ocean salinity in Fort Island Beach is 32.18‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Fort Island Beach 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 Fort Island Beach. 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 Fort Island Beach. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Fort Island Beach

Fort Island Beach weather forecast

Current temperature and weather

Data in a table show Fort Island Beach temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Fort Island Beach.

0-3 h	3-6 h	6-9 h	9-12 h
76.8°F	75°F	73.8°F	77.7°F

12-15 h	15-18 h	18-21 h	21-24 h
83.1°F	85.6°F	81.7°F	79°F

Fort Island Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Fort Island Beach. 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 Fort Island Beach 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 Fort Island Beach

The nearest beaches and cities from Fort Island Beach with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Spring Hill	86.4°F	87.8°F		0' 8"
Hernando Beach	86.4°F	87.8°F		0' 8"
Hudson	86°F	87.8°F		0' 8"
Port Richey	85.5°F	84.2°F		0' 8"
New Port Richey	86°F	87.8°F		0' 8"
Beacon Square	86°F	87.8°F		0' 8"
Anclote	85.8°F	87.8°F		0' 8"
Anclote Key	85.8°F	87.8°F		0' 8"
Tarpon Springs	85.5°F	87.8°F		0' 8"
Fred Howard Park	85.5°F	87.8°F		0' 8"

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Our report for Fort Island Beach 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.