What is the current water temperature in Manhattan?

Q: What is the current water temperature in Manhattan?

As of now, in Manhattan, the water temperature is 6.08°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.

United States > Manhattan

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.

42.9

°F

December 13, 08:45

Trend:

stable

Yesterday:

42.6°F

Tomorrow:

42.8°F

Sunrise:

07:11

Sunset:

16:29

Day Length:

9 h. 18 min.

Manhattan in December

Minimum:

38.7°F

Average:

41.2°F

Maximum:

44.4°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 42.9°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 4.4°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 50.3°F on 2015, while the historical minimum was 43.7°F on 2018.

latest data

last year

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 shows a gradual cooling trend. The average temperature is expected to be 42.0°F, the minimum temperature may reach 41.1°F, and the maximum might stay at 42.8°F.

Daily water temperature in Manhattan

Date	Current Year actual* / forecast**	last year	10 years average
Nov 29	49.4°F	51.0°F	50.7°F
Nov 30	48.6°F	50.2°F	50.2°F
Dec 1	48.9°F	50.7°F	50.4°F
Dec 2	48.2°F	49.9°F	50.1°F
Dec 3	48.1°F	49.6°F	49.8°F
Dec 4	47.4°F	49.2°F	49.4°F
Dec 5	46.9°F	49.1°F	49.0°F
Dec 6	46.9°F	48.5°F	48.5°F
Dec 7	46.2°F	47.9°F	48.4°F
Dec 8	45.8°F	47.4°F	48.4°F
Dec 9	44.7°F	46.9°F	48.1°F
Dec 10	44.7°F	45.2°F	47.7°F
Dec 11	44.9°F	45.2°F	47.5°F
Dec 12	42.6°F	45.3°F	47.1°F
Dec 13	42.9°F	45.2°F	47.3°F
Dec 14	42.8°F	44.8°F	47.2°F
Dec 15	42.4°F	44.5°F	46.8°F
Dec 16	42.5°F	44.4°F	46.8°F
Dec 17	42.2°F	44.2°F	46.5°F
Dec 18	42.1°F	46.0°F	46.5°F
Dec 19	41.5°F	43.6°F	45.8°F
Dec 20	41.1°F	44.3°F	45.4°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 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 23, 2025, dipping to 34.1°F. The average readings by season are 41.9°F in Winter, 48.1°F in Spring, 71.5°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
New York City	42.9°F	5mi
The Bronx	42.8°F	7mi
Jersey City	42.9°F	7mi
Brooklyn	43.8°F	9mi
Queens	45.0°F	10mi

* current water temperature in this city

** straight line distance from Manhattan