Brewster water temp
This data the coastal Brewster 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.
Current sea temperature in Brewster
Water temperature in Brewster today is 66.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Cape Cod Bay near Brewster was recorded in 2021 and was 68.9°F, and the coldest was recorded in 2013 at 61.5°F. Sea water temperature in Brewster is expected to drop to 61.9°F in the next 10 days. September average water temperature in Brewster is 66°F, the minimum temperature is 59.9°F, and the maximum is 72.7°F.
The swimming season in Brewster lasts from July to September. During those months, Brewster water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Brewster in winter reaches 40.8°F, in spring 45.1°F, in summer the average temperature rises to 66.4°F, and in autumn it is 58.8°F.
Brewster water temperature now
| September 25, 2025 |
|---|
| today temp |
| 66.2°F |
| September 24, 2025 |
|---|
| yesterday temp |
| 64.8°F |
The sea salinity in Brewster is 31.13‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Brewster 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 Brewster. 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 Brewster. Data in table shown for September 25, 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' 9" | 1' 8" | 1' 7" | 1' 5" |
| 0.54 m | 0.51 m | 0.47 m | 0.44 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 7" | 1' 9" | 1' 10" | 2' 1" |
| 0.48 m | 0.54 m | 0.57 m | 0.63 m |
Surf report in Brewster
Brewster weather forecast
Current temperature and weather
Data in a table show Brewster temperature today (September 25, 2025). For more information and forecast for a few days, go to the weather forecast Brewster.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | | |
| 63.9°F | 63.9°F | 64.2°F | 65.8°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 67.1°F | 67.1°F | 67.8°F | 68.4°F |
You may also be interested in other sections of our site for Brewster: Sunrise and Sunset, Tides
Brewster water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Brewster. 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 Brewster 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 | 40.1°F | 33.4°F | 46.4°F | cold |
| Sea water temperature in Brewster in January | ||||
| February | 37.4°F | 31.3°F | 42.3°F | cold |
| Sea water temperature in Brewster in February | ||||
| March | 38.8°F | 32°F | 46.4°F | cold |
| Sea water temperature in Brewster in March | ||||
| April | 44.2°F | 36.3°F | 51.6°F | cold |
| Sea water temperature in Brewster in April | ||||
| May | 52.3°F | 44.8°F | 62.8°F | cold |
| Sea water temperature in Brewster in May | ||||
| June | 61.2°F | 52.2°F | 70.9°F | cold |
| Sea water temperature in Brewster in June | ||||
| July | 68.7°F | 60.6°F | 76.6°F | warm |
| Sea water temperature in Brewster in July | ||||
| August | 69.4°F | 63.5°F | 77.4°F | warm |
| Sea water temperature in Brewster in August | ||||
| September | 66°F | 59.9°F | 72.7°F | cold |
| Sea water temperature in Brewster in September | ||||
| October | 59.2°F | 52.3°F | 66.2°F | cold |
| Sea water temperature in Brewster in October | ||||
| November | 51.4°F | 43.5°F | 60.4°F | cold |
| Sea water temperature in Brewster in November | ||||
| December | 45°F | 38.7°F | 51.1°F | cold |
| Sea water temperature in Brewster in December | ||||
Chart monthly average water temperature in Brewster
