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

71.4

°F

July 9, 16:35

Trend:

stable

Yesterday:

71.7°F

Tomorrow:

71.5°F

Sunrise:

05:33

Sunset:

20:29

Day Length:

14 h. 56 min.

New York City in July

Minimum:

37.8°F

Average:

42.4°F

Maximum:

46.2°F

Sea water temperature in New York City today

As of now, in New York City, the water temperature is 71.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.6°F lower 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 75.2°F on 2025, while the historical minimum was 71.3°F on 2019.

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 72.5°F, with minimum temperature starting at 71.5°F, while the maximum might reach 73.5°F.

Daily water temperature in New York City

Date Current Year

actual* / forecast**

last year 10 years average
Jun 25 67.9°F 73.0°F 69.4°F
Jun 26 68.5°F 75.3°F 70.0°F
Jun 27 67.5°F 74.2°F 70.1°F
Jun 28 67.8°F 72.8°F 69.6°F
Jun 29 68.6°F 73.7°F 70.1°F
Jun 30 68.9°F 74.5°F 70.7°F
Jul 1 70.9°F 74.0°F 71.0°F
Jul 2 71.4°F 74.9°F 71.5°F
Jul 3 74.8°F 72.8°F 71.7°F
Jul 4 76.9°F 74.1°F 72.4°F
Jul 5 76.3°F 73.4°F 72.1°F
Jul 6 75.9°F 73.4°F 72.6°F
Jul 7 72.9°F 74.0°F 73.5°F
Jul 8 71.7°F 75.5°F 73.3°F
Jul 9 71.4°F 75.2°F 73.0°F
Jul 10 71.5°F 74.9°F 73.1°F
Jul 11 72.1°F 74.7°F 73.7°F
Jul 12 72.0°F 73.1°F 73.6°F
Jul 13 72.4°F 74.2°F 74.0°F
Jul 14 72.8°F 74.7°F 74.4°F
Jul 15 73.1°F 75.3°F 74.7°F
Jul 16 73.5°F 75.8°F 75.1°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 New York City by month

In New York City, the months July through August offer comfortable swimming conditions, which amounts to 56 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, 72.0°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Jersey City 71.4°F 4mi
Manhattan 71.5°F 5mi
Brooklyn 71.1°F 5mi
Queens 71.7°F 9mi
Coney Island 70.2°F 9mi

* current water temperature in this city

** straight line distance from New York City