Marine Weather Net

Block Island Sound Marine Forecast


TONIGHT

SW
WINDS
5 - 10
KNOTS

THU

SW
WINDS
5 - 10
KNOTS

THU NIGHT

SW
WINDS
10 - 15
KNOTS

FRI

SW
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
ANZ237 Forecast Issued: 404 PM EDT Wed Aug 05 2026

Tonight...Sw Winds 5 To 10 Kt. Seas Around 2 Ft. Wave Detail: Se 2 Ft At 7 Seconds And Sw 1 Foot At 2 Seconds. Patchy Fog After Midnight With Vsby 1 Nm Or Less.
Thu...Sw Winds 5 To 10 Kt, Increasing To 10 To 15 Kt With Gusts Up To 20 Kt In The Afternoon. Seas 2 To 3 Ft. Wave Detail: Se 2 Ft At 7 Seconds And W 1 Foot At 2 Seconds. Patchy Fog In The Morning With Vsby 1 Nm Or Less.
Thu Night...Sw Winds 10 To 15 Kt. Gusts Up To 20 Kt In The Evening. Seas 2 To 3 Ft. Wave Detail: Se 3 Ft At 7 Seconds And W 1 Foot At 3 Seconds. Patchy Fog. Vsby 1 To 3 Nm, Decreasing To 1 Nm Or Less After Midnight.
Fri...Sw Winds 5 To 10 Kt, Increasing To 10 To 15 Kt With Gusts Up To 20 Kt In The Afternoon. Seas 2 To 3 Ft. Wave Detail: Se 3 Ft At 7 Seconds And W 1 Foot At 3 Seconds. Patchy Fog In The Morning With Vsby 1 To 3 Nm.
Fri Night Through Sat Night...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft. Wave Detail: Se 3 Ft At 7 Seconds And W 1 Foot At 3 Seconds.
Sun Through Mon Night...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas 2 To 3 Ft. Wave Detail: S 3 Ft At 7 Seconds And W 1 Foot At 3 Seconds. 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.
SHARE THIS PAGE:           
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.
...