Marine Weather Net

Block Island Sound Marine Forecast


REST OF TONIGHT

W
WINDS
15 - 20
KNOTS

WED

NW
WINDS
20 - 25
KNOTS

WED NIGHT

N
WINDS
15 - 20
KNOTS

THU

W
WINDS
15 - 20
KNOTS

The Marine Weather Forecast In Detail:
ANZ237 Forecast Issued: 103 AM EST Wed Dec 24 2025

GALE WARNING IN EFFECT FROM 5 AM EST EARLY THIS MORNING THROUGH THIS AFTERNOON
Rest Of Tonight...W Winds 15 To 20 Kt With Gusts Up To 30 Kt. Seas 2 To 3 Ft. Wave Detail: W 3 Ft At 4 Seconds And Se 1 Foot At 10 Seconds.
Wed...Nw Winds 20 To 25 Kt, Becoming N 25 To 30 Kt In The Afternoon. Gusts Up To 40 Kt. Seas 3 To 5 Ft. Wave Detail: Nw 4 Ft At 5 Seconds And Se 1 Foot At 10 Seconds.
Wed Night...N Winds 15 To 20 Kt With Gusts Up To 25 Kt, Becoming W 5 To 10 Kt After Midnight. Seas 2 To 3 Ft. Wave Detail: Ne 2 Ft At 4 Seconds And W 2 Ft At 6 Seconds.
Thu...W Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 2 To 4 Ft. Wave Detail: W 4 Ft At 5 Seconds And E 2 Ft At 11 Seconds.
Thu Night And Fri...Ne Winds 15 To 20 Kt With Gusts Up To 30 Kt. Seas 2 To 4 Ft. Wave Detail: N 4 Ft At 5 Seconds And E 2 Ft At 10 Seconds.
Fri Night...Ne Winds 5 To 10 Kt, Increasing To 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 E 2 Ft At 11 Seconds. A Chance Of Snow In The Evening, Then Snow Likely After Midnight. Vsby 1 Nm Or Less.
Sat...Ne Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft. Snow Likely. Vsby 1 To 3 Nm.
Sat Night...Ne Winds 10 To 15 Kt. Seas 2 To 3 Ft.
Sun...Se Winds 10 To 15 Kt. Seas 2 To 3 Ft. A Chance Of Rain.
Sun Night...Sw Winds 20 To 25 Kt With Gusts Up To 30 Kt. Seas 3 To 5 Ft. Rain. 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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