This data the coastal Barnegat Bay 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.
Water temperature in Barnegat Bay today is 66°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Barnegat Bay was recorded in 2018 and was 70°F, and the coldest 63.1°F. Sea water temperature in Barnegat Bay is expected to drop to 62.2°F in the next 10 days. October average water temperature in Barnegat Bay is 64.8°F, the minimum temperature is 57.4°F, and the maximum is 72.5°F.
The swimming season in Barnegat Bay lasts from June to September. During those months, Barnegat Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Barnegat Bay in winter reaches 43.5°F, in spring 48.7°F, in summer the average temperature rises to 72.1°F, and in autumn it is 64°F.
October 15, 2025 |
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today temp |
66°F |
October 14, 2025 |
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yesterday temp |
66.2°F |
The ocean salinity in Barnegat Bay is 29.80‰, and the average salinity of the World Ocean is 35‰.
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 Barnegat Bay. 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 Barnegat Bay. Data in table shown for October 15, 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 |
---|---|---|---|
5' 3" | 5' 0" | 4' 8" | 4' 3" |
1.6 m | 1.52 m | 1.41 m | 1.29 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
3' 11" | 3' 7" | 3' 6" | 3' 7" |
1.2 m | 1.1 m | 1.07 m | 1.08 m |
Data in a table show Barnegat Bay temperature today (October 15, 2025). For more information and forecast for a few days, go to the weather forecast Barnegat Bay.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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![]() | ![]() | ![]() | ![]() |
58.3°F | 57.4°F | 57.2°F | 58.6°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
67.3°F | 69.4°F | 63.5°F | 56.5°F |
You may also be interested in other sections of our site for Barnegat Bay: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Barnegat Bay. 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 Barnegat Bay 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 | |
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January | 42.6°F | 35.4°F | 50.7°F | cold |
Ocean water temperature in Barnegat Bay in January | ||||
February | 40.1°F | 32.9°F | 44.8°F | cold |
Ocean water temperature in Barnegat Bay in February | ||||
March | 42.1°F | 34°F | 51.1°F | cold |
Ocean water temperature in Barnegat Bay in March | ||||
April | 47.7°F | 40.5°F | 55.6°F | cold |
Ocean water temperature in Barnegat Bay in April | ||||
May | 56.3°F | 48.6°F | 67.6°F | cold |
Ocean water temperature in Barnegat Bay in May | ||||
June | 66.7°F | 58.8°F | 74.8°F | cold |
Ocean water temperature in Barnegat Bay in June | ||||
July | 74.5°F | 65.8°F | 81.1°F | warm |
Ocean water temperature in Barnegat Bay in July | ||||
August | 75.2°F | 70°F | 80.8°F | warm |
Ocean water temperature in Barnegat Bay in August | ||||
September | 71.6°F | 66°F | 78.6°F | warm |
Ocean water temperature in Barnegat Bay in September | ||||
October | 64.8°F | 57.4°F | 72.5°F | cold |
Ocean water temperature in Barnegat Bay in October | ||||
November | 55.8°F | 48.2°F | 63.3°F | cold |
Ocean water temperature in Barnegat Bay in November | ||||
December | 48°F | 40.1°F | 54.3°F | cold |
Ocean water temperature in Barnegat Bay in December |