All data are in degrees Fahrenheit

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Water temperature in West Haven

Detailed information about the current water temperature in West Haven. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in West Haven now

39.8

°F

April 5, 23:17

Trend:

stable

Yesterday:

39.8°F

Tomorrow:

39.9°F

Sunrise:

06:29

Sunset:

19:21

Day Length:

12 h. 52 min.

West Haven in April

Minimum:

38.6°F

Average:

42.3°F

Maximum:

47.4°F

Sea water temperature in West Haven today

As of now, in West Haven, the water temperature is 39.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.7°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 44.5°F on 2023, while the historical minimum was 39.7°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 40.7°F, with minimum temperature starting at 39.9°F, while the maximum might reach 41.0°F.

Daily water temperature in West Haven

Date Current Year

actual* / forecast**

last year 10 years average
Mar 22 37.5°F 42.5°F 40.2°F
Mar 23 35.7°F 41.6°F 39.8°F
Mar 24 36.0°F 42.2°F 40.0°F
Mar 25 37.6°F 40.0°F 40.0°F
Mar 26 38.3°F 42.4°F 40.5°F
Mar 27 38.6°F 41.7°F 41.0°F
Mar 28 40.7°F 42.7°F 41.5°F
Mar 29 40.3°F 41.8°F 41.7°F
Mar 30 39.9°F 42.1°F 41.6°F
Mar 31 39.6°F 41.9°F 41.5°F
Apr 1 39.5°F 41.7°F 41.5°F
Apr 2 42.3°F 44.3°F 42.1°F
Apr 3 40.5°F 42.3°F 42.0°F
Apr 4 39.8°F 41.9°F 41.8°F
Apr 5 39.8°F 41.8°F 42.5°F
Apr 6 39.9°F 42.0°F 42.7°F
Apr 7 40.2°F 42.0°F 43.0°F
Apr 8 40.6°F 42.1°F 43.3°F
Apr 9 41.0°F 44.0°F 43.7°F
Apr 10 41.0°F 43.0°F 43.7°F
Apr 11 41.0°F 42.9°F 43.8°F
Apr 12 41.0°F 42.8°F 43.7°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in West Haven by month

In West Haven, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 49.
The warmest water in West Haven was recorded on August 14, 2020, reaching a 78.6°F. While the coldest temperature occurred on February 5, 2026, dipping to 32.0°F. The average readings by season are 40.7°F in Winter, 46.2°F in Spring, 70.4°F in Summer, and 64.0°F in Autumn.