All data are in degrees Fahrenheit

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Water temperature in Manhattan

Detailed information about the current water temperature in Manhattan. 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 Manhattan now

73.9

°F

September 6, 13:53

Trend:

decreasing

Yesterday:

75.2°F

Tomorrow:

73.7°F

Sunrise:

06:27

Sunset:

19:20

Day Length:

12 h. 53 min.

Manhattan in September

Minimum:

37.1°F

Average:

41.4°F

Maximum:

43.2°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 73.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°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 fall a bit.

Recent sea temperature and forecast

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. 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 77.7°F on 2018, while the historical minimum was 70.0°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 73.3°F, the minimum temperature may reach 72.6°F, and the maximum might stay at 73.8°F.

Daily water temperature in Manhattan

Date Current Year

actual* / forecast**

last year 10 years average
Aug 23 74.0°F 73.1°F 74.4°F
Aug 24 75.5°F 73.1°F 74.2°F
Aug 25 74.5°F 72.7°F 74.3°F
Aug 26 74.0°F 73.0°F 74.1°F
Aug 27 73.4°F 72.8°F 74.2°F
Aug 28 74.2°F 72.2°F 74.3°F
Aug 29 73.4°F 71.8°F 74.4°F
Aug 30 73.8°F 71.8°F 74.4°F
Aug 31 73.6°F 71.8°F 74.5°F
Sep 1 73.6°F 71.4°F 74.0°F
Sep 2 73.4°F 72.0°F 73.5°F
Sep 3 73.2°F 70.6°F 73.0°F
Sep 4 74.0°F 70.8°F 72.9°F
Sep 5 75.2°F 71.4°F 73.3°F
Sep 6 73.9°F 72.9°F 73.3°F
Sep 7 73.7°F 72.6°F 73.2°F
Sep 8 73.8°F 71.9°F 73.2°F
Sep 9 73.5°F 71.3°F 72.9°F
Sep 10 73.4°F 71.1°F 72.8°F
Sep 11 73.2°F 71.0°F 72.6°F
Sep 12 72.6°F 70.5°F 72.0°F
Sep 13 72.6°F 70.7°F 72.1°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 Manhattan by month

In Manhattan, the months July through August offer comfortable swimming conditions, which amounts to 52 swimming days.
The warmest water in Manhattan was recorded on July 31, 2025, reaching a 78.9°F. While the coldest temperature occurred on February 19, 2026, dipping to 32.7°F. The average readings by season are 41.6°F in Winter, 48.3°F in Spring, 71.6°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
New York City 74.0°F 5mi
The Bronx 73.7°F 7mi
Jersey City 74.0°F 7mi
Brooklyn 73.7°F 9mi
Queens 73.8°F 10mi

* current water temperature in this city

** straight line distance from Manhattan