Jersey City water temp
This data the coastal Jersey City ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Current ocean temperature in Jersey City
Water temperature in Jersey City today is 71.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Jersey City was recorded in 2018 and was 78.1°F, and the coldest was recorded in 2017 at 70.2°F. Sea water temperature in Jersey City is expected to rise to 71.8°F in the next 10 days. September average water temperature in Jersey City is 71.1°F, the minimum temperature is 64.8°F, and the maximum is 78.1°F.
The swimming season in Jersey City lasts from July to September. During those months, Jersey City water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Jersey City in winter reaches 42.1°F, in spring 48.4°F, in summer the average temperature rises to 71.6°F, and in autumn it is 62.8°F.
Jersey City water temperature now
| September 5, 2025 |
|---|
| today temp |
| 71.4°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 70.7°F |
The ocean salinity in Jersey City is 28.94‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Jersey City for today
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Jersey City. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Jersey City. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 1' 8" | 1' 6" | 1' 4" | 1' 3" |
| 0.52 m | 0.46 m | 0.41 m | 0.38 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 2" | 1' 3" | 1' 10" | 1' 10" |
| 0.36 m | 0.39 m | 0.57 m | 0.57 m |
Surf report in Jersey City
Jersey City weather forecast
Current temperature and weather
Data in a table show Jersey City temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Jersey City.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  | |
| 69.3°F | 69.4°F | 69.3°F | 72°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 81.5°F | 84.7°F | 82.6°F | 79.2°F |
You may also be interested in other sections of our site for Jersey City: Sunrise and Sunset, Tides
Jersey City water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Jersey City. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Jersey City on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 41°F | 34.9°F | 46.9°F | cold |
| Ocean water temperature in Jersey City in January | ||||
| February | 38.8°F | 34°F | 43.7°F | cold |
| Ocean water temperature in Jersey City in February | ||||
| March | 41°F | 35.1°F | 50.4°F | cold |
| Ocean water temperature in Jersey City in March | ||||
| April | 47.5°F | 40.5°F | 54.9°F | cold |
| Ocean water temperature in Jersey City in April | ||||
| May | 56.7°F | 48.9°F | 66.7°F | cold |
| Ocean water temperature in Jersey City in May | ||||
| June | 66.6°F | 58.3°F | 76.8°F | cold |
| Ocean water temperature in Jersey City in June | ||||
| July | 73.6°F | 67.8°F | 79.7°F | warm |
| Ocean water temperature in Jersey City in July | ||||
| August | 74.5°F | 69.4°F | 79.2°F | warm |
| Ocean water temperature in Jersey City in August | ||||
| September | 71.1°F | 64.8°F | 78.1°F | warm |
| Ocean water temperature in Jersey City in September | ||||
| October | 63.3°F | 55.9°F | 71.4°F | cold |
| Ocean water temperature in Jersey City in October | ||||
| November | 54.1°F | 46.6°F | 62.2°F | cold |
| Ocean water temperature in Jersey City in November | ||||
| December | 46.6°F | 37.8°F | 53.8°F | cold |
| Ocean water temperature in Jersey City in December | ||||
Chart monthly average water temperature in Jersey City
