East Hampton water temp

This data the coastal East Hampton sea 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 sea temperature in East Hampton

Water temperature in East Hampton today is 67.8°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near East Hampton was recorded in 2021 and was 70.2°F, and the coldest was recorded in 2013 at 64°F. Sea water temperature in East Hampton is expected to drop to 65.1°F in the next 10 days. September average water temperature in East Hampton is 68.5°F, the minimum temperature is 63.5°F, and the maximum is 73.9°F.

The swimming season in East Hampton lasts from July to September. During those months, East Hampton water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in East Hampton in winter reaches 44.8°F, in spring 45.9°F, in summer the average temperature rises to 67.6°F, and in autumn it is 62.8°F.

East Hampton water temperature now

The sea salinity in East Hampton is 29.54‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in East Hampton 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 Hampton. 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 Hampton. 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 East Hampton

East Hampton weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
66.9°F	66.7°F	67.6°F	69.1°F

12-15 h	15-18 h	18-21 h	21-24 h
70.3°F	70°F	70.2°F	69.8°F

East Hampton water temperature by month

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

The nearest beaches and cities from East Hampton 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
New York City	69.8°F	86°F		1' 3"
Amagansett	67.5°F	73.4°F		3' 10"
Wainscott	67.5°F	73.4°F		3' 7"
Bridgehampton	67.5°F	73.4°F		3' 10"
Sagaponack	67.5°F	73.4°F		3' 10"
Springs	67.8°F	73.4°F		3' 1"
Napeague	67.8°F	73.4°F		3' 1"
Sag Harbor	68.4°F	73.4°F		1' 6"
Peconic Bay	68.4°F	73.4°F		1' 6"
Hither Hills	67.6°F	71.6°F		3' 7"

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Our report for East Hampton 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.