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

74.4

°F

August 25, 09:16

Trend:

decreasing

Yesterday:

75.5°F

Tomorrow:

74.3°F

Sunrise:

06:11

Sunset:

19:36

Day Length:

13 h. 25 min.

West Haven in September

Minimum:

35.8°F

Average:

40.8°F

Maximum:

44.9°F

Sea water temperature in West Haven today

As of now, in West Haven, the water temperature is 74.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°F higher 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 76.8°F on 2020, while the historical minimum was 71.1°F on 2024.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 74.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in West Haven

Date Current Year

actual* / forecast**

last year 10 years average
Aug 11 75.7°F 73.9°F 75.0°F
Aug 12 76.1°F 74.5°F 75.1°F
Aug 13 76.1°F 74.9°F 75.0°F
Aug 14 75.5°F 76.4°F 75.7°F
Aug 15 75.6°F 76.6°F 75.5°F
Aug 16 75.5°F 76.5°F 75.2°F
Aug 17 75.0°F 74.8°F 74.9°F
Aug 18 74.4°F 76.0°F 74.8°F
Aug 19 74.4°F 75.7°F 74.8°F
Aug 20 75.3°F 74.6°F 74.7°F
Aug 21 75.9°F 73.9°F 74.5°F
Aug 22 74.6°F 73.2°F 74.4°F
Aug 23 74.3°F 70.9°F 74.0°F
Aug 24 75.5°F 71.7°F 73.9°F
Aug 25 74.4°F 72.0°F 74.0°F
Aug 26 74.3°F 71.9°F 73.9°F
Aug 27 74.6°F 72.5°F 74.1°F
Aug 28 74.5°F 72.3°F 74.0°F
Aug 29 74.4°F 71.5°F 74.0°F
Aug 30 74.4°F 71.5°F 73.9°F
Aug 31 74.4°F 71.5°F 73.9°F
Sep 1 74.3°F 70.8°F 73.8°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.