Keansburg water temp
This data the coastal Keansburg 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 Keansburg
Water temperature in Keansburg today is 72.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Keansburg was recorded in 2015 and was 73.6°F, and the coldest was recorded in 2013 at 67.1°F. Sea water temperature in Keansburg is expected to drop to 68.4°F in the next 10 days. September average water temperature in Keansburg is 71.1°F, the minimum temperature is 64.9°F, and the maximum is 78.6°F.
The swimming season in Keansburg lasts from June to September. During those months, Keansburg water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Keansburg in winter reaches 42.6°F, in spring 48.7°F, in summer the average temperature rises to 72.1°F, and in autumn it is 63°F.
Keansburg water temperature now
| September 17, 2025 |
|---|
| today temp |
| 72.3°F |
| September 16, 2025 |
|---|
| yesterday temp |
| 72.7°F |
The ocean salinity in Keansburg is 26.89‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Keansburg 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 Keansburg. 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 Keansburg. Data in table shown for September 17, 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 |
|---|---|---|---|
| 3' 6" | 3' 5" | 3' 5" | 3' 6" |
| 1.06 m | 1.04 m | 1.04 m | 1.07 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 8" | 3' 10" | 3' 8" | 3' 5" |
| 1.12 m | 1.16 m | 1.13 m | 1.04 m |
Surf report in Keansburg
Keansburg weather forecast
Current temperature and weather
Data in a table show Keansburg temperature today (September 17, 2025). For more information and forecast for a few days, go to the weather forecast Keansburg.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | | |
| 66°F | 65.7°F | 65.7°F | 66.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 67.8°F | 68.7°F | 68.9°F | 68.4°F |
You may also be interested in other sections of our site for Keansburg: Sunrise and Sunset, Tides
Keansburg water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Keansburg. 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 Keansburg 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 | 41.5°F | 34.3°F | 47.7°F | cold |
| Ocean water temperature in Keansburg in January | ||||
| February | 39.4°F | 34.9°F | 45.7°F | cold |
| Ocean water temperature in Keansburg in February | ||||
| March | 41.5°F | 34.9°F | 50.7°F | cold |
| Ocean water temperature in Keansburg in March | ||||
| April | 47.8°F | 40.3°F | 56.8°F | cold |
| Ocean water temperature in Keansburg in April | ||||
| May | 57°F | 48.6°F | 67.8°F | cold |
| Ocean water temperature in Keansburg in May | ||||
| June | 66.9°F | 59.4°F | 77.7°F | cold |
| Ocean water temperature in Keansburg in June | ||||
| July | 74.5°F | 67.8°F | 82.2°F | warm |
| Ocean water temperature in Keansburg in July | ||||
| August | 74.8°F | 69.4°F | 81°F | warm |
| Ocean water temperature in Keansburg in August | ||||
| September | 71.1°F | 64.9°F | 78.6°F | warm |
| Ocean water temperature in Keansburg in September | ||||
| October | 63.3°F | 56.5°F | 71.8°F | cold |
| Ocean water temperature in Keansburg in October | ||||
| November | 54.3°F | 47.8°F | 62.1°F | cold |
| Ocean water temperature in Keansburg in November | ||||
| December | 46.9°F | 39.2°F | 53.1°F | cold |
| Ocean water temperature in Keansburg in December | ||||
Chart monthly average water temperature in Keansburg
