East Haven water temp

This data the coastal East Haven 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 East Haven

Water temperature in East Haven today is 70°F. Based on our historical data over a period of ten years, the warmest water in this day in the Long Island Sound near East Haven was recorded in 2021 and was 72.3°F, and the coldest was recorded in 2020 at 67.6°F. Sea water temperature in East Haven is expected to drop to 68°F in the next 10 days. September average water temperature in East Haven is 71.8°F, the minimum temperature is 67.3°F, and the maximum is 78.1°F.

The swimming season in East Haven lasts from July to September. During those months, East Haven water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in East Haven in winter reaches 41°F, in spring 45.5°F, in summer the average temperature rises to 70.3°F, and in autumn it is 64.2°F.

East Haven water temperature now

Surf Forecast in East Haven 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 East Haven. 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 East Haven. Data in table shown for September 25, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in East Haven

East Haven weather forecast

Current temperature and weather

Data in a table show East Haven temperature today (September 25, 2025). For more information and forecast for a few days, go to the weather forecast East Haven.

0-3 h	3-6 h	6-9 h	9-12 h
66.9°F	66.7°F	67.6°F	69.8°F

12-15 h	15-18 h	18-21 h	21-24 h
72.3°F	71.8°F	71.2°F	70.9°F

East Haven water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in East Haven. 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 East Haven 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 East Haven

The nearest beaches and cities from East Haven 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
Madison	69.6°F	71.6°F		1' 4"
Miller Place	70.2°F	73.4°F		0' 7"
Cedar Beach Mt Sinai	70.2°F	73.4°F		0' 7"
Clinton	69.4°F	69.8°F		1' 4"
Hammonasset Beach	69.4°F	69.8°F		1' 5"
Bridgeport	70°F	71.6°F		0' 11"
East Setauket	70.2°F	73.4°F		0' 9"
Flax Pond Beach	70.2°F	73.4°F		0' 9"
Fairfield	70.2°F	71.6°F		1' 0"
Jennings Beach	70.2°F	71.6°F		1' 0"

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East Haven Town Beach

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Our report for East Haven 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.