Jennings Beach water temp

This data the coastal Jennings 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 Jennings Beach

Water temperature in Jennings Beach today is 71.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Long Island Sound near Jennings Beach was recorded in 2018 and was 78.3°F, and the coldest was recorded in 2017 at 70.3°F. Sea water temperature in Jennings Beach is expected to rise to 72°F in the next 10 days. September average water temperature in Jennings Beach is 71.6°F, the minimum temperature is 66.9°F, and the maximum is 78.6°F.

The swimming season in Jennings Beach lasts from July to September. During those months, Jennings Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Jennings Beach in winter reaches 41°F, in spring 45.7°F, in summer the average temperature rises to 70.2°F, and in autumn it is 64.2°F.

Jennings Beach water temperature now

Surf Forecast in Jennings 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 Jennings 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 Jennings Beach. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Jennings Beach

Jennings Beach weather forecast

Current temperature and weather

Data in a table show Jennings Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Jennings Beach.

0-3 h	3-6 h	6-9 h	9-12 h
69.3°F	68.9°F	68.9°F	70.2°F

12-15 h	15-18 h	18-21 h	21-24 h
73.4°F	78.8°F	79.3°F	74.3°F

Jennings Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Jennings 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 Jennings 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 Jennings Beach

The nearest beaches and cities from Jennings 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
Sherwood Island	71.8°F	78.8°F		0' 9"
Norwalk	71.6°F	82.4°F		0' 9"
Miller Place	71.2°F	82.4°F		0' 8"
Darien	72°F	84.2°F		0' 6"
Mount Sinai	71.1°F	82.4°F		0' 9"
Port Jefferson	71.1°F	82.4°F		0' 9"
Nissequogue	71.4°F	78.8°F		0' 9"
Sunken Meadow	71.4°F	78.8°F		0' 9"
Smithtown	71.4°F	78.8°F		0' 9"
West Meadow Beach	71.4°F	78.8°F		0' 9"

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Our report for Jennings 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.