Average sea water temperature in April:
+34.3°F
| Minimum sea water temperature in April: | 37.8°F |
| Maximum sea water temperature in April: | 32.2°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 33.0°F. The highest and lowest sea temperatures during the month were 34.3°F and 32.2°F.
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| Grand Marais |
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| Grand Marais |
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| Grand Marais |
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| Grand Marais |
Monthly sea water temperature in Grand Marais, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Everglades | 78.4°F | 78.8°F |
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.1°F | 78.0°F |
| Key Largo | 78.1°F | 78.5°F |
| Fort Lauderdale | 78.0°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Kailua Kona | 77.5°F | 78.1°F |
| Miami | 77.4°F | 77.9°F |
| Honolulu | 76.4°F | 77.4°F |
| Cape Coral | 76.3°F | 77.2°F |
| Hawaii | 76.2°F | 77.3°F |
| Kahului | 76.1°F | 76.8°F |
| Marco Island | 76.1°F | 77.3°F |
| Kauai | 75.9°F | 74.9°F |
| Maui | 75.9°F | 76.6°F |
| Naples | 75.6°F | 77.0°F |
| Tampa | 75.1°F | 76.6°F |
| St. Petersburg | 75.1°F | 76.3°F |
| Cocoa Beach | 74.9°F | 75.1°F |
| Oahu | 74.9°F | 76.4°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: 14:34
April 28, tuesday
1500
43°F
SE
16 mph
16 mph
1800
45°F
SE
12 mph
12 mph
2100
41°F
SE
6 mph
6 mph
April 29, wednesday
0000
34°F
SE
6 mph
6 mph
0300
32°F
SE
7 mph
7 mph
0600
32°F
SE
6 mph
6 mph
0900
39°F
SE
7 mph
7 mph
1200
41°F
E
6 mph
6 mph
