Average sea water temperature in October:
+63.4°F
| Minimum sea water temperature in October: | 68.4°F |
| Maximum sea water temperature in October: | 59.4°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 62.3°F. The highest and lowest sea temperatures during the month were 65.1°F and 59.4°F.
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| Block Island |
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Monthly sea water temperature in Block Island, °F
Which USA resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| West Palm Beach | 84.6°F | 83.5°F |
| Fort Lauderdale | 84.5°F | 83.5°F |
| Miami Beach | 84.0°F | 83.4°F |
| Key West | 83.9°F | 83.8°F |
| Key Largo | 83.8°F | 83.0°F |
| Miami | 83.1°F | 82.7°F |
| Naples | 82.4°F | 81.9°F |
| Port St. Lucie | 82.3°F | 80.2°F |
| Kailua Kona | 82.0°F | 80.9°F |
| Corpus Christi | 81.4°F | 82.2°F |
| Siesta Key | 81.3°F | 80.4°F |
| Cape Coral | 81.1°F | 81.1°F |
| Sarasota | 81.0°F | 80.2°F |
| Honolulu | 80.6°F | 80.7°F |
| Hawaii | 80.5°F | 80.6°F |
| Cocoa Beach | 80.4°F | 79.2°F |
| Kauai | 80.3°F | 81.3°F |
| Galveston | 80.3°F | 80.8°F |
| Oahu | 80.1°F | 79.8°F |
| Houston | 80.1°F | 80.4°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: 14:25
October 29, thursday
1500
59°F
NE
17 mph
17 mph
1800
59°F
NE
18 mph
18 mph
2100
59°F
NE
19 mph
19 mph
October 30, friday
0000
61°F
NE
20 mph
20 mph
0300
61°F
NE
20 mph
20 mph
0600
59°F
E
19 mph
19 mph
0900
59°F
E
17 mph
17 mph
1200
63°F
E
11 mph
11 mph
