Saint Marks water temp

This data the coastal Saint Marks 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 Saint Marks

Water temperature in Saint Marks today is 84.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Saint Marks was recorded in 2018 and was 85.6°F, and the coldest was recorded in 2008 at 79°F. Sea water temperature in Saint Marks is expected to drop to 79.2°F in the next 10 days. September average water temperature in Saint Marks is 83.5°F, the minimum temperature is 77.4°F, and the maximum is 88°F.

The swimming season in Saint Marks lasts from March to November. During those months, Saint Marks water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Saint Marks in winter reaches 60.4°F, in spring 71.6°F, in summer the average temperature rises to 85.3°F, and in autumn it is 76.3°F.

Saint Marks water temperature now

The ocean salinity in Saint Marks is 35.03‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Saint Marks 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 Saint Marks. 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 Saint Marks. 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 Saint Marks

Saint Marks weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
76.8°F	74.7°F	74.7°F	76.1°F

12-15 h	15-18 h	18-21 h	21-24 h
82.9°F	79.9°F	77°F	74.5°F

Saint Marks water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Saint Marks. 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 Saint Marks 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 Saint Marks

The nearest beaches and cities from Saint Marks 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
Shell Point Beach	84.2°F	80.6°F		0' 11"
Mashes Sands Beach	84.4°F	80.6°F		0' 11"
Bald Point	84.2°F	78.8°F		0' 11"
Ochlockonee Bay	84.6°F	78.8°F		0' 11"
Saint Teresa	84.6°F	80.6°F		0' 11"
Carrabelle	84.6°F	80.6°F		1' 1"
Keaton Beach	84.6°F	82.4°F		1' 3"
Eastpoint	84.9°F	78.8°F		1' 3"
St George Island	84.2°F	78.8°F		1' 9"
Apalachicola	84.9°F	80.6°F		1' 3"

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Our report for Saint Marks 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.