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

74.4

°F

August 19, 11:09

Trend:

stable

Yesterday:

74.0°F

Tomorrow:

73.9°F

Sunrise:

06:10

Sunset:

19:49

Day Length:

13 h. 39 min.

Manhattan in August

Minimum:

38.4°F

Average:

41.7°F

Maximum:

44.5°F

Sea water temperature in Manhattan today

As of now, in Manhattan, 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 0.9°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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 77.9°F on 2016, while the historical minimum was 73.5°F on 2023.

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 shows a gradual cooling trend. The average temperature is expected to be 73.5°F, the minimum temperature may reach 73.1°F, and the maximum might stay at 74.0°F.

Daily water temperature in Manhattan

Date Current Year

actual* / forecast**

last year 10 years average
Aug 5 74.6°F 74.1°F 74.6°F
Aug 6 73.9°F 75.1°F 74.5°F
Aug 7 76.0°F 74.8°F 74.9°F
Aug 8 77.3°F 73.5°F 74.9°F
Aug 9 77.9°F 73.9°F 75.3°F
Aug 10 77.1°F 73.7°F 75.1°F
Aug 11 76.6°F 73.6°F 75.0°F
Aug 12 76.0°F 75.5°F 75.0°F
Aug 13 75.7°F 75.9°F 75.1°F
Aug 14 75.8°F 76.5°F 75.6°F
Aug 15 76.0°F 76.7°F 75.5°F
Aug 16 75.5°F 77.2°F 75.5°F
Aug 17 74.8°F 76.8°F 75.4°F
Aug 18 74.0°F 76.4°F 75.3°F
Aug 19 74.4°F 76.5°F 75.3°F
Aug 20 73.9°F 75.1°F 74.9°F
Aug 21 74.0°F 74.6°F 75.0°F
Aug 22 73.7°F 73.2°F 74.6°F
Aug 23 73.5°F 73.1°F 74.4°F
Aug 24 73.1°F 73.1°F 74.1°F
Aug 25 73.3°F 72.7°F 74.3°F
Aug 26 73.2°F 73.0°F 74.1°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 74.5°F 5mi
The Bronx 74.4°F 7mi
Jersey City 74.5°F 7mi
Brooklyn 74.1°F 9mi
Queens 74.1°F 10mi

* current water temperature in this city

** straight line distance from Manhattan