All data are in degrees Fahrenheit

en
United States > Manhattan

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

48.4

°F

April 13, 00:45

Trend:

increasing

Yesterday:

47.9°F

Tomorrow:

49.2°F

Sunrise:

06:21

Sunset:

19:33

Day Length:

13 h. 12 min.

Manhattan in April

Minimum:

41.1°F

Average:

42.6°F

Maximum:

45.2°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 48.4°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 1.9°F higher 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 rise 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 50.6°F on 2023, while the historical minimum was 43.9°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 50.1°F, with minimum temperature starting at 49.2°F, while the maximum might reach 50.7°F.

Daily water temperature in Manhattan

Date Current Year

actual* / forecast**

 last year 10 years average
Mar 30 42.4°F 44.5°F 43.7°F
Mar 31 42.9°F 44.4°F 43.6°F
Apr 1 42.9°F 44.4°F 43.7°F
Apr 2 44.3°F 45.9°F 44.2°F
Apr 3 45.1°F 45.4°F 44.5°F
Apr 4 43.6°F 45.3°F 44.3°F
Apr 5 44.5°F 44.6°F 44.9°F
Apr 6 43.0°F 45.0°F 44.4°F
Apr 7 45.2°F 45.1°F 45.1°F
Apr 8 45.9°F 45.2°F 45.2°F
Apr 9 44.1°F 45.0°F 45.4°F
Apr 10 46.0°F 44.9°F 45.5°F
Apr 11 46.8°F 45.5°F 45.8°F
Apr 12 47.9°F 45.3°F 46.0°F
Apr 13 48.4°F 45.3°F 46.6°F
Apr 14 49.2°F 45.2°F 47.3°F
Apr 15 49.7°F 45.2°F 47.8°F
Apr 16 49.8°F 45.2°F 47.9°F
Apr 17 50.6°F 46.3°F 48.7°F
Apr 18 50.7°F 47.4°F 48.8°F
Apr 19 50.5°F 46.7°F 48.7°F
Apr 20 50.6°F 45.4°F 48.7°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 Manhattan by month

January

February

March

April

May

June

July

August

September

October

November

December

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, 48.2°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 49.2°F 5mi
The Bronx 47.2°F 7mi
Jersey City 49.2°F 7mi
Brooklyn 48.1°F 9mi
Queens 46.9°F 10mi

* current water temperature in this city

** straight line distance from Manhattan