All data are in degrees Fahrenheit

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Water temperature in New York City

Detailed information about the current water temperature in New York City. 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 New York City now

74.4

°F

September 8, 08:15

Trend:

stable

Yesterday:

74.4°F

Tomorrow:

74.1°F

Sunrise:

06:30

Sunset:

19:17

Day Length:

12 h. 47 min.

New York City in September

Minimum:

36.7°F

Average:

41.6°F

Maximum:

43.5°F

Sea water temperature in New York City today

As of now, in New York City, 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 1.1°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 77.0°F on 2018, while the historical minimum was 70.1°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 73.6°F, the minimum temperature may reach 73.3°F, and the maximum might stay at 74.1°F.

Daily water temperature in New York City

Date Current Year

actual* / forecast**

last year 10 years average
Aug 25 75.0°F 73.2°F 74.6°F
Aug 26 74.3°F 73.2°F 74.4°F
Aug 27 73.4°F 72.9°F 74.5°F
Aug 28 74.3°F 72.2°F 74.4°F
Aug 29 73.3°F 71.9°F 74.6°F
Aug 30 74.0°F 72.0°F 74.5°F
Aug 31 73.6°F 72.2°F 74.6°F
Sep 1 73.6°F 71.6°F 74.1°F
Sep 2 73.6°F 72.1°F 73.5°F
Sep 3 73.4°F 70.5°F 73.1°F
Sep 4 74.2°F 70.6°F 73.0°F
Sep 5 75.3°F 71.5°F 73.4°F
Sep 6 74.0°F 72.7°F 73.5°F
Sep 7 74.4°F 72.7°F 73.5°F
Sep 8 74.4°F 71.8°F 73.3°F
Sep 9 74.1°F 71.4°F 73.0°F
Sep 10 74.0°F 71.0°F 72.9°F
Sep 11 73.9°F 71.0°F 72.8°F
Sep 12 73.3°F 70.5°F 72.2°F
Sep 13 73.3°F 70.8°F 72.2°F
Sep 14 73.3°F 71.3°F 72.2°F
Sep 15 73.4°F 71.6°F 72.3°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 New York City by month

In New York City, the months July through August offer comfortable swimming conditions, which amounts to 57 swimming days.
The warmest water in New York City was recorded on July 31, 2025, reaching a 79.4°F. While the coldest temperature occurred on February 2, 2026, dipping to 32.3°F. The average readings by season are 41.9°F in Winter, 48.6°F in Spring, 71.9°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Jersey City 74.4°F 4mi
Manhattan 74.3°F 5mi
Brooklyn 74.2°F 5mi
Queens 74.1°F 9mi
Coney Island 74.2°F 9mi

* current water temperature in this city

** straight line distance from New York City