Average sea water temperature in March:
+41.7°F
| Minimum sea water temperature in March: | 45.7°F |
| Maximum sea water temperature in March: | 38.8°F |
Daily sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 40.9°F. The highest and lowest sea temperatures during the month were 42.4°F and 39.2°F.
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| Block Island |
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| Block Island |
Monthly sea water temperature in Block Island, °F
Which USA resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Kailua Kona | 77.7°F | 76.5°F |
| Honolulu | 76.8°F | 75.8°F |
| Hawaii | 76.7°F | 75.7°F |
| Maui | 76.0°F | 75.1°F |
| West Palm Beach | 75.8°F | 76.6°F |
| Fort Lauderdale | 75.8°F | 75.7°F |
| Oahu | 75.7°F | 74.5°F |
| Miami Beach | 75.3°F | 76.0°F |
| Key Largo | 75.1°F | 76.9°F |
| Kauai | 75.0°F | 74.5°F |
| Key West | 74.5°F | 76.5°F |
| Everglades | 74.4°F | 77.3°F |
| Miami | 74.4°F | 75.5°F |
| Marco Island | 71.8°F | 74.5°F |
| Naples | 71.4°F | 73.8°F |
| Sanibel Island | 70.9°F | 73.0°F |
| Cocoa Beach | 70.0°F | 71.5°F |
| Tampa | 69.3°F | 71.7°F |
| St. Petersburg | 68.8°F | 71.8°F |
| Sarasota | 68.6°F | 71.4°F |
Best time for vacation in Block Island
Block Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Block Island
Local time: 21:22
February 06, friday
0000
25°F
SW
15 mph
15 mph
0300
23°F
SW
11 mph
11 mph
0600
25°F
S
12 mph
12 mph
0900
28°F
SW
12 mph
12 mph
1200
28°F
SW
9 mph
9 mph
1500
30°F
SW
5 mph
5 mph
1800
30°F
W
2 mph
2 mph
2100
30°F
N
4 mph
4 mph
