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

35.6

°F

March 5, 11:56

Trend:

stable

Yesterday:

35.0°F

Tomorrow:

35.5°F

Sunrise:

06:24

Sunset:

17:51

Day Length:

11 h. 27 min.

Manhattan in March

Minimum:

39.6°F

Average:

42.7°F

Maximum:

46.3°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 35.6°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 4.3°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 43.7°F on 2024, while the historical minimum was 37.7°F on 2021.

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 36.0°F, with minimum temperature starting at 35.5°F, while the maximum might reach 36.6°F.

Daily water temperature in Manhattan

Date Current Year

actual* / forecast**

last year 10 years average
Feb 19 32.7°F 36.3°F 38.0°F
Feb 20 33.0°F 35.4°F 37.9°F
Feb 21 33.1°F 34.9°F 38.1°F
Feb 22 33.6°F 34.8°F 38.0°F
Feb 23 35.7°F 34.1°F 38.1°F
Feb 24 35.7°F 35.2°F 38.0°F
Feb 25 35.0°F 36.0°F 38.5°F
Feb 26 34.5°F 37.4°F 38.6°F
Feb 27 34.1°F 37.9°F 38.5°F
Feb 28 34.6°F 37.3°F 38.8°F
Mar 1 35.7°F 38.7°F 39.1°F
Mar 2 35.4°F 38.7°F 39.0°F
Mar 3 35.1°F 39.5°F 39.5°F
Mar 4 35.0°F 39.3°F 39.5°F
Mar 5 35.6°F 39.3°F 40.0°F
Mar 6 35.5°F 37.9°F 39.8°F
Mar 7 35.5°F 38.9°F 39.8°F
Mar 8 35.7°F 40.0°F 40.0°F
Mar 9 36.1°F 40.0°F 40.4°F
Mar 10 36.5°F 40.1°F 40.8°F
Mar 11 36.5°F 39.8°F 40.8°F
Mar 12 36.6°F 40.9°F 40.9°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 35.6°F 5mi
The Bronx 35.8°F 7mi
Jersey City 35.6°F 7mi
Brooklyn 35.5°F 9mi
Queens 35.4°F 10mi

* current water temperature in this city

** straight line distance from Manhattan