Measurements:
°C
°F
Brunswick
48°F
SE 12 mph
Feels like: 42°F
Precip: 4%
World Resorts USA Brunswick Weather

Brunswick Sea Water Temperature

Current Sea Water Temperature:
+59.0°F
Maximum Sea Water Temperature in October: 63.6°F
Minimum Sea Water Temperature in October: 52.0°F
Average water temperature in October: 57.1°F

Sea Water Temperature for the Last 10 Days:

October 05 59.0°F September 30 58.4°F
October 04 59.2°F September 29 59.2°F
October 03 58.0°F September 28 59.2°F
October 02 58.8°F September 27 59.6°F
October 01 57.2°F September 26 59.4°F

When is the Warmest Sea for Brunswick?

According to our data for the last three years for Brunswick the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Brunswick was 67.1°F. The maximum and minimum values were 64.0°F and 72.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Brunswick was 65.3°F. The maximum and minimum values were 60.6°F and 69.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Brunswick was 62.1°F. The maximum and minimum values were 58.4°F and 65.6°F respectively.

Best Time to Visit Brunswick
The most sunny months:
October 13 days
November 13 days
December 12 days
The most warm months:
July 80.8 °F
August 79.1 °F
June 74.5 °F
Warmest sea temperature:
August 67.8 °F
July 66.2 °F
September 62.8 °F
The most cold months:
January 27.4 °F
February 28.7 °F
December 33.7 °F
The most rainy months:
July 2 days
August 2 days
March 2 days
The most windy months:
December 9 mph
March 8 mph
January 8 mph

Brunswick on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +60
Hawaii +82
Houston +84
Las Vegas +92
Los Angeles +102
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Brunswick
Local time: 21:02
06 oct, tuesday
0000 44°F
SE
13 mph
0300 38°F
E
5 mph
0600 38°F
SE
9 mph
0900 46°F
SE
13 mph
1200 50°F
SE
16 mph
1500 54°F
SE
15 mph
1800 48°F
SE
11 mph
2100 44°F
E
8 mph