Seabrook (NH) water temp
This data the coastal Seabrook 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 Seabrook
Water temperature in Seabrook today is 63.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Seabrook was recorded in 2018 and was 70.7°F, and the coldest was recorded in 2017 at 61.2°F. Sea water temperature in Seabrook is expected to be constant 63.3°F in the next 10 days. September average water temperature in Seabrook is 63.1°F, the minimum temperature is 58.1°F, and the maximum is 71.4°F.
The swimming season in Seabrook lasts only one month - August. During this month, Seabrook water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Seabrook in winter reaches 42.3°F, in spring 44.1°F, in summer the average temperature rises to 63.3°F, and in autumn it is 56.8°F.
Seabrook water temperature now
| September 5, 2025 |
|---|
| today temp |
| 63.3°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 64.2°F |
The ocean salinity in Seabrook is 30.96‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Seabrook 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 Seabrook. 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 Seabrook. 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 |
|---|---|---|---|
| 3' 0" | 2' 10" | 2' 9" | 2' 8" |
| 0.92 m | 0.86 m | 0.83 m | 0.82 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 8" | 2' 9" | 3' 2" | 3' 7" |
| 0.81 m | 0.84 m | 0.97 m | 1.09 m |
Surf report in Seabrook
Seabrook weather forecast
Current temperature and weather
Data in a table show Seabrook temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Seabrook.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 64°F | 64°F | 64.4°F | 69.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 76.8°F | 82.2°F | 80.8°F | 73.2°F |
You may also be interested in other sections of our site for Seabrook: Sunrise and Sunset, Tides
Seabrook water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Seabrook. 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 Seabrook 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 | 41.7°F | 38.3°F | 46.6°F | cold |
| Ocean water temperature in Seabrook in January | ||||
| February | 39.2°F | 35.4°F | 43°F | cold |
| Ocean water temperature in Seabrook in February | ||||
| March | 39.2°F | 35.1°F | 47.1°F | cold |
| Ocean water temperature in Seabrook in March | ||||
| April | 42.8°F | 37.2°F | 50°F | cold |
| Ocean water temperature in Seabrook in April | ||||
| May | 50.4°F | 43°F | 62.4°F | cold |
| Ocean water temperature in Seabrook in May | ||||
| June | 58.5°F | 49.8°F | 66.6°F | cold |
| Ocean water temperature in Seabrook in June | ||||
| July | 64.9°F | 57.6°F | 72.7°F | cold |
| Ocean water temperature in Seabrook in July | ||||
| August | 66.4°F | 60.6°F | 73.8°F | cold |
| Ocean water temperature in Seabrook in August | ||||
| September | 63.1°F | 58.1°F | 71.4°F | cold |
| Ocean water temperature in Seabrook in September | ||||
| October | 57°F | 51.1°F | 63°F | cold |
| Ocean water temperature in Seabrook in October | ||||
| November | 50.4°F | 45.9°F | 56.5°F | cold |
| Ocean water temperature in Seabrook in November | ||||
| December | 45.7°F | 39.9°F | 50.7°F | cold |
| Ocean water temperature in Seabrook in December | ||||
Chart monthly average water temperature in Seabrook
