Block Island Sound Marine Forecast

FORECAST
DISCUSSION

The Marine Weather Forecast In Detail:

ANZ237 Forecast Issued: 105 AM EST Mon Feb 23 2026

Rest Of Tonight...Ne Winds 40 To 45 Kt With Gusts Up To 60 Kt. Seas 7 To 10 Ft. Wave Detail: E 10 Ft At 8 Seconds And Se 2 Ft At 9 Seconds. Snow.
Mon...Ne Winds 40 To 45 Kt, Becoming N 30 To 40 Kt In The Afternoon. Gusts Up To 65 Kt. Seas 9 To 13 Ft. Wave Detail: Ne 11 Ft At 7 Seconds And E 11 Ft At 10 Seconds. Snow.
Mon Night...Nw Winds 25 To 30 Kt With Gusts Up To 40 Kt, Diminishing To 20 To 25 Kt With Gusts Up To 30 Kt After Midnight. Seas 7 To 10 Ft, Subsiding To 5 To 7 Ft After Midnight. Wave Detail: Se 8 Ft At 11 Seconds And Nw 5 Ft At 5 Seconds, Becoming Se 5 Ft At 11 Seconds And W 4 Ft At 5 Seconds.
Tue...Nw Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 3 To 5 Ft. Wave Detail: W 4 Ft At 5 Seconds And E 3 Ft At 11 Seconds.
Tue Night...W Winds 10 To 15 Kt With Gusts Up To 20 Kt, Becoming Sw 5 To 10 Kt After Midnight. Seas 2 To 3 Ft. Wave Detail: W 3 Ft At 4 Seconds And S 1 Foot At 9 Seconds. A Chance Of Snow After Midnight.
Wed...Sw Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 2 To 4 Ft, Building To 4 To 6 Ft In The Afternoon. Wave Detail: S 3 Ft At 4 Seconds And S 1 Foot At 8 Seconds, Becoming S 5 Ft At 8 Seconds And Sw 3 Ft At 5 Seconds. Rain. Snow Likely In The Morning.
Wed Night...Sw Winds 15 To 20 Kt, Becoming W 10 To 15 Kt After Midnight. Gusts Up To 25 Kt. Seas 4 To 6 Ft.
Thu...W Winds 10 To 15 Kt. Seas 3 To 5 Ft. A Chance Of Snow.
Thu Night...S Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 4 To 6 Ft. Rain Likely With A Chance Of Snow.
Fri...W Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 6 To 9 Ft. A Chance Of Rain.
Fri Night...W Winds 5 To 10 Kt. Seas 5 To 8 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.

ANZ200 Synopsis Issued: 1005 AM EDT Tue Oct 15 2024

Synopsis For Massachusetts And Rhode Island Coastal Waters...
A Couple Of Weaker Fronts Push Across The Waters Through Thursday, Although No Significant Weather Is Expected. Gusty West To Northwest Winds Do Continue Through Wednesday Night. High Pressure Builds In From The West Late This Week And Will Stick Around Through The Upcoming Weekend.
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