Block Island Marine Weather
Marine Forecast
View allSMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 7 seconds.TUE NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 7 seconds.
TUE NIGHT NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 7 seconds.
WED W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 2 seconds, becoming S 2 ft at 4 seconds and SE 1 foot at 8 seconds.
WED NIGHT AND THU SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 8 seconds.
THU NIGHT W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds.
FRI THROUGH SAT NIGHT N winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
Weather
View allThis Afternoon
65°F
Mostly Sunny
17 mph NW
Tonight
51°F
Clear
17 to 21 mph NW
Tuesday
60°F
Sunny
15 to 20 mph NW
Tuesday Night
53°F
Clear
5 to 15 mph NW
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Mon, Oct 5 4:07 PM | high | 3.2 ft |
| Mon, Oct 5 4:28 PM | flood | 1.7 kts |
| Mon, Oct 5 6:55 PM | slack | slack |
| Mon, Oct 5 10:13 PM | ebb | 1.9 kts |
| Mon, Oct 5 10:58 PM | low | 0.3 ft |
| Tue, Oct 6 2:23 AM | slack | slack |
| Tue, Oct 6 4:39 AM | high | 3.0 ft |
| Tue, Oct 6 5:12 AM | flood | 1.8 kts |
| Tue, Oct 6 7:32 AM | slack | slack |
| Tue, Oct 6 10:45 AM | ebb | 2.0 kts |
| Tue, Oct 6 11:02 AM | low | 0.3 ft |
| Tue, Oct 6 2:48 PM | slack | slack |


