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

77.2

°F

August 16, 09:50

Trend:

increasing

Yesterday:

76.7°F

Tomorrow:

77.3°F

Sunrise:

06:07

Sunset:

19:53

Day Length:

13 h. 46 min.

Manhattan in August

Minimum:

40.0°F

Average:

42.0°F

Maximum:

44.5°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 77.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.0°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 stay about the same.

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 maximum temperature for this date. The maximum temperature recorded for this date was 78.7°F on 2016, while the historical minimum was 73.7°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 77.1°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
Aug 2 77.0°F 75.4°F 74.6°F
Aug 3 74.8°F 77.5°F 74.6°F
Aug 4 74.0°F 78.2°F 74.6°F
Aug 5 74.1°F 76.0°F 74.6°F
Aug 6 75.1°F 75.9°F 74.5°F
Aug 7 74.8°F 76.8°F 74.8°F
Aug 8 73.5°F 76.2°F 74.5°F
Aug 9 73.8°F 75.9°F 74.8°F
Aug 10 73.6°F 75.7°F 74.6°F
Aug 11 73.6°F 75.7°F 74.7°F
Aug 12 75.5°F 75.8°F 74.7°F
Aug 13 75.9°F 76.0°F 75.0°F
Aug 14 76.5°F 76.4°F 75.4°F
Aug 15 76.7°F 76.4°F 75.3°F
Aug 16 77.2°F 74.8°F 75.2°F
Aug 17 77.3°F 74.8°F 75.3°F
Aug 18 77.3°F 74.8°F 75.3°F
Aug 19 77.3°F 75.2°F 75.3°F
Aug 20 77.0°F 74.8°F 74.9°F
Aug 21 77.1°F 74.2°F 75.1°F
Aug 22 76.9°F 73.1°F 74.9°F
Aug 23 76.7°F 72.0°F 74.6°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 55 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 41.9°F in Winter, 48.1°F in Spring, 71.5°F in Summer, and 63.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
New York City 77.5°F 5mi
The Bronx 76.6°F 7mi
Jersey City 77.5°F 7mi
Brooklyn 76.6°F 9mi
Queens 76.3°F 10mi

* current water temperature in this city

** straight line distance from Manhattan