Current sea water temperature:
+33.3°F
| Minimum sea water temperature in February: | 37.6°F |
| Maximum sea water temperature in February: | 32.5°F |
| Average sea water temperature in February: | 35.0°F |
| more information | |
14 days
forecast
forecast
| Grand Marais |
monthly
weather
weather
| Grand Marais |
Sea water temperature for the last 10 days:
| February 5 | 33.3°F | January 31 | 35.1°F |
| February 4 | 33.4°F | January 30 | 35.1°F |
| February 3 | 33.6°F | January 29 | 35.2°F |
| February 2 | 34.2°F | January 28 | 34.9°F |
| February 1 | 34.7°F | January 27 | 34.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Grand Marais?
Based on the data about daily sea water temperature for the last three years the warmest sea in Grand Marais was noticed in August, September and October.
Monthly Sea Temperatures in Grand Marais, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 61.3°F. The highest and lowest sea temperatures during the month were 65.7°F and 55.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.5°F. The highest and lowest sea temperatures during the month were 62.8°F and 55.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 53.8°F. The highest and lowest sea temperatures during the month were 60.3°F and 49.6°F.
current
weather
weather
| Grand Marais |
weather in
February
February
| Grand Marais |
Best time for vacation in Grand Marais
Grand Marais on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Marais
Local time: 21:55
February 06, friday
0000
32°F
SE
8 mph
8 mph
0300
30°F
S
13 mph
13 mph
0600
21°F
S
13 mph
13 mph
0900
14°F
S
12 mph
12 mph
1200
14°F
S
13 mph
13 mph
1500
14°F
SE
12 mph
12 mph
1800
9°F
S
10 mph
10 mph
2100
5°F
S
9 mph
9 mph
