Marine Weather Net

Block Island Sound Marine Forecast


TONIGHT

NW
WINDS
10 - 15
KNOTS

TUE

W
WINDS
5 - 10
KNOTS

TUE NIGHT

W
WINDS
5 - 10
KNOTS

WED

NW
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
ANZ237 Forecast Issued: 703 PM EST Mon Feb 02 2026

Tonight...Nw Winds 10 To 15 Kt, Diminishing To 5 To 10 Kt After Midnight. Gusts Up To 20 Kt. Seas 2 To 4 Ft. Wave Detail: Se 4 Ft At 11 Seconds And W 2 Ft At 3 Seconds.
Tue...W Winds 5 To 10 Kt. Seas 2 To 3 Ft. Wave Detail: Se 3 Ft At 10 Seconds And W 1 Foot At 3 Seconds.
Tue Night...W Winds 5 To 10 Kt. Gusts Up To 20 Kt In The Evening. Seas Around 2 Ft. Wave Detail: W 2 Ft At 4 Seconds And Se 2 Ft At 10 Seconds.
Wed...Nw Winds 5 To 10 Kt, Increasing To 10 To 15 Kt In The Afternoon. Seas Around 2 Ft. Wave Detail: W 2 Ft At 4 Seconds And Se 1 Foot At 10 Seconds.
Wed Night Through Thu Night...Nw Winds 10 To 15 Kt. Seas 2 To 3 Ft. Wave Detail: Nw 2 Ft At 4 Seconds And S 2 Ft At 9 Seconds.
Fri...W Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft. Wave Detail: Sw 2 Ft At 3 Seconds And S 1 Foot At 9 Seconds.
Fri Night And Sat...W Winds 20 To 25 Kt With Gusts Up To 30 Kt, Becoming Nw 25 To 35 Kt With Gusts Up To 40 Kt. Seas 3 To 5 Ft. A Chance Of Heavy Freezing Spray. A Chance Of Snow.
Sat Night...Nw Winds 30 To 40 Kt. Seas 4 To 6 Ft. A Chance Of Heavy Freezing Spray. 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.
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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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