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

70.5

°F

July 1, 19:34

Trend:

increasing

Yesterday:

68.6°F

Tomorrow:

70.8°F

Sunrise:

05:28

Sunset:

20:31

Day Length:

15 h. 3 min.

Manhattan in July

Minimum:

38.1°F

Average:

42.1°F

Maximum:

45.2°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 70.5°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 about the same as the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. 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 73.3°F on 2025, while the historical minimum was 67.6°F on 2017.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 71.7°F, with minimum temperature starting at 70.7°F, while the maximum might reach 73.0°F.

Daily water temperature in Manhattan

Date Current Year

actual* / forecast**

last year 10 years average
Jun 17 66.5°F 66.9°F 66.0°F
Jun 18 66.2°F 67.0°F 66.4°F
Jun 19 66.8°F 67.1°F 66.8°F
Jun 20 67.1°F 67.9°F 67.2°F
Jun 21 67.6°F 67.5°F 67.4°F
Jun 22 67.0°F 68.2°F 67.9°F
Jun 23 67.7°F 70.5°F 68.4°F
Jun 24 67.6°F 72.9°F 68.5°F
Jun 25 67.2°F 73.2°F 68.8°F
Jun 26 67.7°F 75.4°F 69.6°F
Jun 27 67.1°F 74.7°F 69.6°F
Jun 28 67.6°F 73.5°F 69.4°F
Jun 29 68.2°F 73.9°F 69.7°F
Jun 30 68.6°F 74.8°F 70.3°F
Jul 1 70.5°F 73.3°F 70.6°F
Jul 2 70.8°F 74.2°F 71.0°F
Jul 3 70.7°F 73.0°F 70.8°F
Jul 4 71.3°F 73.3°F 71.5°F
Jul 5 71.3°F 73.3°F 71.4°F
Jul 6 71.8°F 73.1°F 71.9°F
Jul 7 72.9°F 74.0°F 73.0°F
Jul 8 73.0°F 75.0°F 73.1°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 Manhattan by month

In Manhattan, the months July through August offer comfortable swimming conditions, which amounts to 52 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 19, 2026, dipping to 32.7°F. The average readings by season are 41.6°F in Winter, 48.3°F in Spring, 71.6°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
New York City 70.9°F 5mi
The Bronx 69.8°F 7mi
Jersey City 70.9°F 7mi
Brooklyn 70.0°F 9mi
Queens 69.9°F 10mi

* current water temperature in this city

** straight line distance from Manhattan