What is the current water temperature in Jersey City?

Q: What is the current water temperature in Jersey City?

As of now, in Jersey City, the water temperature is 5.36°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 > Jersey City

Water temperature in Jersey City

Detailed information about the current water temperature in Jersey 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.

41.6

°F

December 14, 04:12

Trend:

decreasing

Yesterday:

42.9°F

Tomorrow:

41.2°F

Sunrise:

07:12

Sunset:

16:29

Day Length:

9 h. 17 min.

Jersey City in December

Minimum:

39.5°F

Average:

41.5°F

Maximum:

44.3°F

Sea water temperature in Jersey City today

As of now, in Jersey City, the water temperature is 41.6°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 5.6°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 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 50.4°F on 2015, while the historical minimum was 44.3°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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 40.7°F, the minimum temperature may reach 39.9°F, and the maximum might stay at 41.3°F.

Daily water temperature in Jersey City

Date	Current Year actual* / forecast**	last year	10 years average
Nov 30	48.3°F	49.7°F	50.3°F
Dec 1	48.6°F	50.6°F	50.6°F
Dec 2	48.2°F	49.6°F	50.2°F
Dec 3	48.1°F	49.3°F	49.9°F
Dec 4	47.4°F	48.8°F	49.5°F
Dec 5	46.7°F	48.8°F	49.0°F
Dec 6	46.8°F	48.7°F	48.5°F
Dec 7	46.5°F	47.8°F	48.5°F
Dec 8	45.8°F	47.1°F	48.5°F
Dec 9	44.2°F	46.6°F	48.2°F
Dec 10	44.2°F	44.5°F	47.8°F
Dec 11	44.4°F	44.6°F	47.6°F
Dec 12	42.5°F	44.8°F	47.2°F
Dec 13	42.9°F	44.7°F	47.1°F
Dec 14	41.6°F	44.3°F	47.3°F
Dec 15	41.2°F	44.1°F	46.9°F
Dec 16	41.3°F	44.0°F	46.9°F
Dec 17	41.0°F	43.9°F	46.7°F
Dec 18	41.0°F	46.3°F	46.6°F
Dec 19	40.3°F	43.4°F	45.9°F
Dec 20	39.9°F	44.4°F	45.5°F
Dec 21	40.0°F	44.4°F	45.6°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 Jersey City by month

In Jersey City, the months July through August offer comfortable swimming conditions, which amounts to 58 swimming days.

The warmest water in Jersey 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 42.3°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**
New York City	41.6°F	4mi
Manhattan	42.1°F	7mi
Brooklyn	43.2°F	9mi
Coney Island	43.6°F	11mi
Staten Island	42.3°F	12mi
Queens	44.7°F	13mi
The Bronx	42.9°F	14mi

* current water temperature in this city

** straight line distance from Jersey City