Brunswick water temp

This data the coastal Brunswick 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 Brunswick

Water temperature in Brunswick today is 80.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Brunswick was recorded in 2020 and was 85.1°F, and the coldest was recorded in 2008 at 81.1°F. Sea water temperature in Brunswick is expected to rise to 82.2°F in the next 10 days. September average water temperature in Brunswick is 82°F, the minimum temperature is 76.8°F, and the maximum is 85.8°F.

The swimming season in Brunswick lasts from April to November. During those months, Brunswick water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Brunswick in winter reaches 60.1°F, in spring 68.7°F, in summer the average temperature rises to 82.9°F, and in autumn it is 75°F.

Brunswick water temperature now

The ocean salinity in Brunswick is 34.08‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Brunswick 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 Brunswick. 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 Brunswick. 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)

Surf report in Brunswick

Brunswick weather forecast

Current temperature and weather

Data in a table show Brunswick temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Brunswick.

0-3 h	3-6 h	6-9 h	9-12 h
78.6°F	77.5°F	76.5°F	78.3°F

12-15 h	15-18 h	18-21 h	21-24 h
81.3°F	83.7°F	80.2°F	78.4°F

Brunswick water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Brunswick. 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 Brunswick 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

Chart monthly average water temperature in Brunswick

The nearest beaches and cities from Brunswick with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Saint Simon Mills	80.2°F	84.2°F		0' 8"
Driftwood Beach	80.2°F	84.2°F		1' 2"
Sea Island	80.8°F	84.2°F		0' 11"
Darien	79.2°F	84.2°F		1' 0"
Jekyll Island	80.2°F	84.2°F		1' 4"
Cumberland Island	81°F	82.4°F		1' 7"
Amelia Island	80.8°F	82.4°F		1' 7"
Fernandina Beach	80.8°F	82.4°F		1' 7"
American Beach	81°F	82.4°F		1' 7"
Franklintown	81.1°F	80.6°F		1' 7"

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Our report for Brunswick is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.