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United States > New York City

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

47.7

°F

April 13, 10:22

Trend:

stable

Yesterday:

48.7°F

Tomorrow:

48.3°F

Sunrise:

06:21

Sunset:

19:33

Day Length:

13 h. 12 min.

New York City in April

Minimum:

41.0°F

Average:

42.9°F

Maximum:

45.0°F

Sea water temperature in New York City today

As of now, in New York City, the water temperature is 47.7°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 0.5°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 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 51.3°F on 2023, while the historical minimum was 44.5°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 49.2°F, with minimum temperature starting at 48.3°F, while the maximum might reach 49.9°F.

Daily water temperature in New York City

Date Current Year

actual* / forecast**

 last year 10 years average
Mar 30 42.5°F 45.5°F 44.1°F
Mar 31 43.3°F 45.2°F 43.9°F
Apr 1 43.1°F 45.2°F 44.1°F
Apr 2 43.9°F 46.6°F 44.5°F
Apr 3 44.9°F 45.8°F 44.8°F
Apr 4 42.3°F 45.8°F 44.5°F
Apr 5 45.0°F 44.6°F 45.2°F
Apr 6 43.4°F 45.3°F 44.7°F
Apr 7 45.8°F 45.5°F 45.4°F
Apr 8 45.9°F 45.6°F 45.5°F
Apr 9 44.5°F 46.2°F 45.7°F
Apr 10 46.7°F 45.6°F 46.0°F
Apr 11 47.5°F 46.1°F 46.3°F
Apr 12 48.7°F 45.9°F 46.8°F
Apr 13 47.7°F 45.8°F 47.2°F
Apr 14 48.3°F 45.2°F 47.8°F
Apr 15 48.8°F 45.2°F 48.3°F
Apr 16 48.8°F 45.5°F 48.3°F
Apr 17 49.7°F 47.1°F 49.2°F
Apr 18 49.9°F 48.3°F 49.4°F
Apr 19 49.6°F 46.6°F 49.0°F
Apr 20 49.6°F 45.0°F 49.1°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

January

February

March

April

May

June

July

August

September

October

November

December

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, 72.0°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Jersey City 47.7°F 4mi
Manhattan 47.3°F 5mi
Brooklyn 46.9°F 5mi
Queens 46.3°F 9mi
Coney Island 46.9°F 9mi

* current water temperature in this city

** straight line distance from New York City