This data the coastal Cedar Grove sea 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 Cedar Grove today is 69.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Cedar Grove was recorded in 2024 and was 71.6°F, and the coldest was recorded in 2019 at 62.2°F. Sea water temperature in Cedar Grove is expected to drop to 65.8°F in the next 10 days. September average water temperature in Cedar Grove is 65.8°F, the minimum temperature is 56.3°F, and the maximum is 73°F.
The swimming season in Cedar Grove lasts from July to August. During those months, Cedar Grove water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Cedar Grove in winter reaches 37.9°F, in spring 38.7°F, in summer the average temperature rises to 63°F, and in autumn it is 56.3°F.
September 5, 2025 |
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today temp |
69.6°F |
September 4, 2025 |
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yesterday temp |
69.6°F |
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 Cedar Grove. 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 Cedar Grove. 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' 11" | 2' 11" | 3' 4" | 3' 10" |
0.58 m | 0.88 m | 1.02 m | 1.18 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
3' 2" | 2' 10" | 2' 7" | 2' 3" |
0.97 m | 0.86 m | 0.8 m | 0.68 m |
Data in a table show Cedar Grove temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Cedar Grove.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
54.9°F | 54.7°F | 53.1°F | 53.8°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
57.7°F | 62.8°F | 61.5°F | 46.9°F |
You may also be interested in other sections of our site for Cedar Grove: Sunrise and Sunset
These figures shows the average, minimum and maximum monthly sea temperature in Cedar Grove. 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 Cedar Grove 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 | 37.4°F | 31.5°F | 41.9°F | cold |
Sea water temperature in Cedar Grove in January | ||||
February | 35.2°F | 30.6°F | 39.4°F | cold |
Sea water temperature in Cedar Grove in February | ||||
March | 35.6°F | 31.1°F | 41.9°F | cold |
Sea water temperature in Cedar Grove in March | ||||
April | 37.8°F | 32.5°F | 43.9°F | cold |
Sea water temperature in Cedar Grove in April | ||||
May | 42.8°F | 35.6°F | 53.1°F | cold |
Sea water temperature in Cedar Grove in May | ||||
June | 53.6°F | 40.3°F | 65.7°F | cold |
Sea water temperature in Cedar Grove in June | ||||
July | 65.8°F | 52.5°F | 75°F | cold |
Sea water temperature in Cedar Grove in July | ||||
August | 69.6°F | 59.2°F | 74.8°F | warm |
Sea water temperature in Cedar Grove in August | ||||
September | 65.8°F | 56.3°F | 73°F | cold |
Sea water temperature in Cedar Grove in September | ||||
October | 56.5°F | 43.7°F | 69.1°F | cold |
Sea water temperature in Cedar Grove in October | ||||
November | 46.6°F | 39.7°F | 57.7°F | cold |
Sea water temperature in Cedar Grove in November | ||||
December | 41°F | 34.9°F | 46.9°F | cold |
Sea water temperature in Cedar Grove in December |