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 4.13°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.

39.4

°F

January 16, 22:30

Trend:

stable

Yesterday:

37.7°F

Tomorrow:

39.3°F

Sunrise:

07:18

Sunset:

16:54

Day Length:

9 h. 36 min.

Manhattan in January

Minimum:

38.5°F

Average:

42.6°F

Maximum:

48.4°F

Sea water temperature in Manhattan today

As of now, in Manhattan, the water temperature is 39.4°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 1.5°F lower than 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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 43.6°F on 2016, while the historical minimum was 37.1°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 38.7°F, the minimum temperature may reach 38.2°F, and the maximum might stay at 39.3°F.

Daily water temperature in Manhattan

Date	Current Year actual* / forecast**	last year	10 years average
Jan 2	39.5°F	43.3°F	42.8°F
Jan 3	39.6°F	42.5°F	42.7°F
Jan 4	41.1°F	42.7°F	42.6°F
Jan 5	38.9°F	42.4°F	42.3°F
Jan 6	37.9°F	42.1°F	42.2°F
Jan 7	38.1°F	42.0°F	42.1°F
Jan 8	38.4°F	41.6°F	41.7°F
Jan 9	37.1°F	41.0°F	41.4°F
Jan 10	37.1°F	39.2°F	41.2°F
Jan 11	37.5°F	38.7°F	41.2°F
Jan 12	37.9°F	39.1°F	41.2°F
Jan 13	38.0°F	37.0°F	41.0°F
Jan 14	37.2°F	37.3°F	41.0°F
Jan 15	37.7°F	37.4°F	40.9°F
Jan 16	39.4°F	37.1°F	41.0°F
Jan 17	39.3°F	37.3°F	40.8°F
Jan 18	39.1°F	36.9°F	40.6°F
Jan 19	39.1°F	37.0°F	40.6°F
Jan 20	38.5°F	36.7°F	40.0°F
Jan 21	38.4°F	37.0°F	40.0°F
Jan 22	38.3°F	37.2°F	39.8°F
Jan 23	38.2°F	35.5°F	39.7°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 41.8°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	39.8°F	5mi
The Bronx	38.5°F	7mi
Jersey City	39.8°F	7mi
Brooklyn	40.4°F	9mi
Queens	41.1°F	10mi

* current water temperature in this city

** straight line distance from Manhattan