This data the coastal Eatons Neck 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.
Water temperature in Eatons Neck today is 72°F. Based on our historical data over a period of ten years, the warmest water in this day in the Long Island Sound near Eatons Neck was recorded in 2018 and was 78.1°F, and the coldest was recorded in 2017 at 70.2°F. Sea water temperature in Eatons Neck is expected to rise to 72.1°F in the next 10 days. September average water temperature in Eatons Neck is 71.6°F, the minimum temperature is 66.4°F, and the maximum is 78.8°F.
The swimming season in Eatons Neck lasts from July to September. During those months, Eatons Neck water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Eatons Neck in winter reaches 40.8°F, in spring 46.4°F, in summer the average temperature rises to 70.5°F, and in autumn it is 63.9°F.
September 5, 2025 |
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today temp |
72°F |
September 4, 2025 |
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yesterday temp |
71.1°F |
The sea salinity in Eatons Neck is 27.55‰, and the average salinity of the World Ocean is 35‰.
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 Eatons Neck. 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 Eatons Neck. 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)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 10" | 0' 9" | 0' 6" | 0' 2" |
0.25 m | 0.23 m | 0.14 m | 0.05 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 1" | 0' 2" | 0' 10" | 0' 11" |
0.03 m | 0.05 m | 0.26 m | 0.29 m |
Data in a table show Eatons Neck temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Eatons Neck.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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![]() | ![]() | ![]() | ![]() |
70.3°F | 70.3°F | 70°F | 71.8°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
79.9°F | 84.2°F | 81.3°F | 76.1°F |
You may also be interested in other sections of our site for Eatons Neck: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Eatons Neck. 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 Eatons Neck 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
Month | Avr | Min | Max | |
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January | 39.7°F | 33.6°F | 47.7°F | cold |
Sea water temperature in Eatons Neck in January | ||||
February | 36.5°F | 30.9°F | 42.6°F | cold |
Sea water temperature in Eatons Neck in February | ||||
March | 38.8°F | 32.5°F | 48.4°F | cold |
Sea water temperature in Eatons Neck in March | ||||
April | 45.5°F | 37.4°F | 53.6°F | cold |
Sea water temperature in Eatons Neck in April | ||||
May | 55°F | 47.5°F | 65.5°F | cold |
Sea water temperature in Eatons Neck in May | ||||
June | 64.9°F | 56.8°F | 73.8°F | cold |
Sea water temperature in Eatons Neck in June | ||||
July | 72.5°F | 65.7°F | 79.9°F | warm |
Sea water temperature in Eatons Neck in July | ||||
August | 73.9°F | 68.4°F | 79°F | warm |
Sea water temperature in Eatons Neck in August | ||||
September | 71.6°F | 66.4°F | 78.8°F | warm |
Sea water temperature in Eatons Neck in September | ||||
October | 64.8°F | 57.6°F | 71.6°F | cold |
Sea water temperature in Eatons Neck in October | ||||
November | 55.2°F | 47.5°F | 63.3°F | cold |
Sea water temperature in Eatons Neck in November | ||||
December | 46.2°F | 39.9°F | 52.7°F | cold |
Sea water temperature in Eatons Neck in December |