World Resorts USA Brunswick Weather

Brunswick sea water temperature

Current sea water temperature:
+37.8°F
Minimum sea water temperature in March: 42.1°F
Maximum sea water temperature in March: 33.8°F
Average sea water temperature in March: 38.6°F

Sea water temperature for the last 10 days:

March 18 37.8°F March 13 36.9°F
March 17 36.3°F March 12 37.2°F
March 16 36.0°F March 11 36.9°F
March 15 36.1°F March 10 36.1°F
March 14 36.0°F March 9 36.0°F

When is the warmest sea in Brunswick?

Based on the data about daily sea water temperature for the last three years the warmest sea in Brunswick was noticed in August, July and September.

Monthly Sea Temperatures in Brunswick, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 70.0°F and 62.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 67.6°F and 60.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 62.2°F. The highest and lowest sea temperatures during the month were 65.5°F and 60.1°F.

Best time for vacation in Brunswick

Sunniest months:
November 13 days
September 13 days
October 13 days
Warmest months:
July 76.9 °F
August 75.6 °F
June 71.3 °F
Warmest sea temp:
August 66.1 °F
July 64.7 °F
September 61.7 °F
Coldest months:
January 29.7 °F
February 30.9 °F
December 35.3 °F
Rainiest months:
July 3 days
April 3 days
August 2 days
Windiest months:
December 9.0 mph
January 8.5 mph
February 8.5 mph

Brunswick on a weather map

Brunswick
+30°F
N 9 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+91°F
+84°F
+66°F
+72°F
+72°F
+32°F
+66°F
+63°F
+61°F
+59°F
+61°F
+36°F
24 Hours Forecast
Brunswick
Local time: 21:39
March 19, thursday
0000
30°F
N
8 mph
0300
28°F
N
8 mph
0600
30°F
N
7 mph
0900
32°F
N
12 mph
1200
34°F
N
14 mph
1500
34°F
N
14 mph
1800
34°F
N
13 mph
2100
34°F
N
14 mph
Units of measurement: °C / °F