Average sea water temperature in March:
+33.9°F
| Minimum sea water temperature in March: | 36.7°F |
| Maximum sea water temperature in March: | 32.0°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 32.5°F. The highest and lowest sea temperatures during the month were 33.3°F and 32.2°F.
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| Grand Marais |
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| Grand Marais |
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Monthly sea water temperature in Grand Marais, °F
Which USA resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| West Palm Beach | 77.1°F | 75.8°F |
| Key Largo | 76.8°F | 75.1°F |
| Miami Beach | 76.8°F | 75.3°F |
| Honolulu | 76.7°F | 76.8°F |
| Fort Lauderdale | 76.6°F | 75.8°F |
| Hawaii | 76.5°F | 76.7°F |
| Kauai | 76.5°F | 75.0°F |
| Key West | 76.5°F | 74.5°F |
| Miami | 76.0°F | 74.4°F |
| Maui | 75.5°F | 76.0°F |
| Oahu | 74.9°F | 75.7°F |
| Cape Coral | 73.9°F | 71.7°F |
| Port St. Lucie | 73.8°F | 71.5°F |
| South Padre Island | 72.7°F | 66.8°F |
| Naples | 72.6°F | 71.4°F |
| Corpus Christi | 71.9°F | 67.0°F |
| Tampa | 71.7°F | 69.3°F |
| Cocoa Beach | 71.7°F | 70.0°F |
| Sarasota | 70.6°F | 68.6°F |
| Clearwater Beach | 70.2°F | 67.6°F |
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: 12:34
September 28, monday
1500
57°F
NW
5 mph
5 mph
1800
57°F
SW
5 mph
5 mph
2100
55°F
SW
6 mph
6 mph
September 29, tuesday
0000
55°F
SW
7 mph
7 mph
0300
55°F
SW
4 mph
4 mph
0600
55°F
W
4 mph
4 mph
0900
57°F
NW
2 mph
2 mph
1200
59°F
N
7 mph
7 mph
