Block Island Marine Weather
Marine Forecast
View allSMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and S 1 foot at 8 seconds.SUN NE winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8 seconds.
SUN NIGHT E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at 11 seconds.
MON NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: E 3 ft at 5 seconds and SE 1 foot at 8 seconds, becoming E 4 ft at 7 seconds and SE 4 ft at 12 seconds.
MON NIGHT THROUGH TUE NIGHT NE winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: E 8 ft at 13 seconds and N 5 ft at 6 seconds.
WED THROUGH THU N winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: NE 8 ft at 6 seconds and E 8 ft at 10 seconds.
THU NIGHT N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 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 allOvernight
41°F
Clear
22 mph N
Sunday
56°F
Sunny
9 to 20 mph NE
Sunday Night
48°F
Mostly Clear
9 to 16 mph NE
Monday
58°F
Mostly Sunny
16 to 20 mph NE
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sun, Oct 18 1:18 AM | high | 2.1 ft |
| Sun, Oct 18 2:04 AM | flood | 1.3 kts |
| Sun, Oct 18 4:31 AM | slack | slack |
| Sun, Oct 18 6:35 AM | low | 1.0 ft |
| Sun, Oct 18 7:40 AM | ebb | 1.4 kts |
| Sun, Oct 18 11:52 AM | slack | slack |
| Sun, Oct 18 1:47 PM | high | 2.5 ft |
| Sun, Oct 18 2:15 PM | flood | 1.3 kts |
| Sun, Oct 18 4:39 PM | slack | slack |
| Sun, Oct 18 7:59 PM | ebb | 1.5 kts |
| Sun, Oct 18 9:02 PM | low | 0.9 ft |


