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

37.3

°F

January 26, 09:59

Trend:

stable

Yesterday:

37.0°F

Tomorrow:

37.1°F

Sunrise:

07:12

Sunset:

17:06

Day Length:

9 h. 54 min.

Manhattan in February

Minimum:

39.5°F

Average:

42.8°F

Maximum:

46.9°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 37.3°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 1.8°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 considerably 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 41.1°F on 2023, while the historical minimum was 35.5°F on 2025.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 37.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Manhattan

Date Current Year

actual* / forecast**

last year 10 years average
Jan 12 37.9°F 39.1°F 41.2°F
Jan 13 38.0°F 37.0°F 41.0°F
Jan 14 37.2°F 37.3°F 41.0°F
Jan 15 37.7°F 37.4°F 40.9°F
Jan 16 39.4°F 37.1°F 40.8°F
Jan 17 38.8°F 37.3°F 40.7°F
Jan 18 38.7°F 36.9°F 40.4°F
Jan 19 38.8°F 37.0°F 40.4°F
Jan 20 39.2°F 36.7°F 39.9°F
Jan 21 39.1°F 37.0°F 39.9°F
Jan 22 37.8°F 37.2°F 39.7°F
Jan 23 38.1°F 35.5°F 39.6°F
Jan 24 37.5°F 36.9°F 39.6°F
Jan 25 37.0°F 36.0°F 39.3°F
Jan 26 37.3°F 35.5°F 39.1°F
Jan 27 37.1°F 35.9°F 38.9°F
Jan 28 37.2°F 37.3°F 39.0°F
Jan 29 37.2°F 37.8°F 39.1°F
Jan 30 37.3°F 37.4°F 39.1°F
Jan 31 37.0°F 37.1°F 38.9°F
Feb 1 36.8°F 37.1°F 38.6°F
Feb 2 36.8°F 37.6°F 38.6°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 23, 2025, dipping to 34.1°F. The average readings by season are 41.8°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 37.6°F 5mi
The Bronx 36.6°F 7mi
Jersey City 37.6°F 7mi
Brooklyn 38.2°F 9mi
Queens 39.0°F 10mi

* current water temperature in this city

** straight line distance from Manhattan