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 |
| more information | |
14 days
forecast
forecast
| Brunswick |
monthly
weather
weather
| Brunswick |
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 |
Monthly sea water temperature, °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.
current
weather
weather
| Brunswick |
weather in
March
March
| Brunswick |
Best time for vacation in Brunswick
Brunswick on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Brunswick
Local time: 21:39
March 19, thursday
0000

30°F
N
8 mph
8 mph
0300

28°F
N
8 mph
8 mph
0600

30°F
N
7 mph
7 mph
0900

32°F
N
12 mph
12 mph
1200

34°F
N
14 mph
14 mph
1500

34°F
N
14 mph
14 mph
1800

34°F
N
13 mph
13 mph
2100

34°F
N
14 mph
14 mph




























