Average sea water temperature in April:
+44.5°F
| Minimum sea water temperature in April: | 48.6°F |
| Maximum sea water temperature in April: | 39.0°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 42.5°F. The highest and lowest sea temperatures during the month were 46.0°F and 39.0°F.
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Monthly sea water temperature in Block Island, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Key Largo | 78.2°F | 78.5°F |
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.2°F | 78.0°F |
| Fort Lauderdale | 78.1°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Cape Coral | 76.4°F | 77.2°F |
| Port St. Lucie | 76.4°F | 74.9°F |
| Hawaii | 76.2°F | 77.3°F |
| Maui | 75.9°F | 76.6°F |
| Kauai | 75.9°F | 74.9°F |
| Naples | 75.8°F | 77.0°F |
| South Padre Island | 75.7°F | 74.5°F |
| Tampa | 75.3°F | 76.6°F |
| Cocoa Beach | 75.0°F | 75.1°F |
| Corpus Christi | 75.0°F | 74.7°F |
| Oahu | 74.9°F | 76.4°F |
| Clearwater Beach | 74.7°F | 75.6°F |
| Houston | 74.5°F | 73.7°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: 14:35
September 28, monday
1500
63°F
S
16 mph
16 mph
1800
59°F
S
22 mph
22 mph
2100
57°F
S
20 mph
20 mph
September 29, tuesday
0000
55°F
SE
17 mph
17 mph
0300
55°F
SE
13 mph
13 mph
0600
57°F
SE
11 mph
11 mph
0900
57°F
SE
9 mph
9 mph
1200
63°F
E
9 mph
9 mph
