What is the current water temperature in New York City?

Q: What is the current water temperature in New York City?

As of now, in New York City, the water temperature is 4.02°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 > 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.

39.2

°F

December 27, 04:01

Trend:

stable

Yesterday:

41.1°F

Tomorrow:

39.4°F

Sunrise:

07:19

Sunset:

16:35

Day Length:

9 h. 16 min.

New York City in January

Minimum:

37.9°F

Average:

43.1°F

Maximum:

48.5°F

Sea water temperature in New York City today

As of now, in New York City, the water temperature is 39.2°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 4.5°F lower 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 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 49.4°F on 2015, while the historical minimum was 39.7°F on 2024.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 39.1°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
Jan 1	38.7°F	42.8°F	43.1°F
Jan 2	38.8°F	43.7°F	43.2°F
Jan 3	38.6°F	42.5°F	43.1°F
Dec 13	42.9°F	44.7°F	47.1°F
Dec 14	41.6°F	44.3°F	46.8°F
Dec 15	41.6°F	44.1°F	46.4°F
Dec 16	41.7°F	44.0°F	46.5°F
Dec 17	41.9°F	43.9°F	46.2°F
Dec 18	39.3°F	46.3°F	45.9°F
Dec 19	40.6°F	43.4°F	45.4°F
Dec 20	42.0°F	44.4°F	45.2°F
Dec 21	40.8°F	44.4°F	45.2°F
Dec 22	41.0°F	44.7°F	45.0°F
Dec 23	40.1°F	44.5°F	44.9°F
Dec 24	40.3°F	44.5°F	44.9°F
Dec 25	40.7°F	44.5°F	44.8°F
Dec 26	41.1°F	41.4°F	44.1°F
Dec 27	39.2°F	39.7°F	43.7°F
Dec 28	39.4°F	41.3°F	43.9°F
Dec 29	39.3°F	41.4°F	43.7°F
Dec 30	39.7°F	42.7°F	44.1°F
Dec 31	39.5°F	44.9°F	43.9°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 58 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 23, 2025, dipping to 34.0°F. The average readings by season are 42.2°F in Winter, 48.5°F in Spring, 71.9°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Jersey City	39.2°F	4mi
Manhattan	39.5°F	5mi
Brooklyn	40.8°F	5mi
Queens	42.4°F	9mi
Coney Island	41.4°F	9mi

* current water temperature in this city

** straight line distance from New York City