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

47.3

°F

April 18, 00:51

Trend:

stable

Yesterday:

47.1°F

Tomorrow:

47.2°F

Sunrise:

06:13

Sunset:

19:38

Day Length:

13 h. 25 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 47.3°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 2.0°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 53.9°F on 2023, while the historical minimum was 45.5°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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 47.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in New York City

Date Current Year

actual* / forecast**

last year 10 years average
Apr 4 45.8°F 44.2°F 44.4°F
Apr 5 44.6°F 47.0°F 44.9°F
Apr 6 45.3°F 43.0°F 44.5°F
Apr 7 45.5°F 45.6°F 45.2°F
Apr 8 45.6°F 45.3°F 45.2°F
Apr 9 46.2°F 44.5°F 45.6°F
Apr 10 45.6°F 45.8°F 45.6°F
Apr 11 46.1°F 46.0°F 45.9°F
Apr 12 45.9°F 49.0°F 46.4°F
Apr 13 45.8°F 48.0°F 46.9°F
Apr 14 45.2°F 48.8°F 47.5°F
Apr 15 45.2°F 49.1°F 48.0°F
Apr 16 45.5°F 49.9°F 48.1°F
Apr 17 47.1°F 50.6°F 49.1°F
Apr 18 47.3°F 50.6°F 49.3°F
Apr 19 47.2°F 50.4°F 49.1°F
Apr 20 47.4°F 50.6°F 49.4°F
Apr 21 47.3°F 49.9°F 49.2°F
Apr 22 47.3°F 48.1°F 49.2°F
Apr 23 47.6°F 49.4°F 49.6°F
Apr 24 48.0°F 51.2°F 49.9°F
Apr 25 48.4°F 52.1°F 50.4°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 60 swimming days.
The warmest water in New York City was recorded on July 21, 2020, reaching a 79.3°F. While the coldest temperature occurred on February 23, 2025, dipping to 34.0°F. The average readings by season are 42.3°F in Winter, 48.5°F in Spring, 71.8°F in Summer, and 63.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Jersey City 47.3°F 4mi
Manhattan 46.4°F 5mi
Brooklyn 45.8°F 5mi
Queens 44.8°F 9mi
Coney Island 45.8°F 9mi

* current water temperature in this city

** straight line distance from New York City