Current sea water temperature:
+59.7°F
| Minimum sea water temperature in October: | 68.4°F |
| Maximum sea water temperature in October: | 59.4°F |
| Average sea water temperature in October: | 63.4°F |
| more information | |
14 days
forecast
forecast
| Block Island |
monthly
weather
weather
| Block Island |
Sea water temperature for the last 10 days:
| October 28 | 59.7°F | October 23 | 60.1°F |
| October 27 | 59.9°F | October 22 | 60.3°F |
| October 26 | 59.7°F | October 21 | 61.2°F |
| October 25 | 59.4°F | October 20 | 61.5°F |
| October 24 | 59.5°F | October 19 | 61.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Block Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Block Island was noticed in August, July and September.
Monthly Sea Temperatures in Block Island, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.2°F. The highest and lowest sea temperatures during the month were 72.3°F and 68.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.3°F. The highest and lowest sea temperatures during the month were 69.3°F and 65.5°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 67.9°F. The highest and lowest sea temperatures during the month were 70.3°F and 62.6°F.
current
weather
weather
| Block Island |
weather in
November
November
| Block Island |
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: 13:24
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
