Block Island Sound Marine Forecast

The Marine Weather Forecast In Detail:

ANZ237 Forecast Issued: 1003 AM EDT Thu Jun 04 2026

This Afternoon...Sw Winds 10 To 15 Kt. Gusts Up To 20 Kt. Seas 2 To 3 Ft. Wave Detail: Sw 2 Ft At 3 Seconds And Se 1 Foot At 8 Seconds.
Tonight...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt, Diminishing To 5 To 10 Kt After Midnight. Seas 2 To 3 Ft. Wave Detail: Sw 2 Ft At 4 Seconds And Se 2 Ft At 8 Seconds.
Fri...W Winds 5 To 10 Kt, Becoming Sw 10 To 15 Kt With Gusts Up To 20 Kt In The Afternoon. Seas 2 To 3 Ft. Wave Detail: Sw 2 Ft At 4 Seconds And Se 2 Ft At 9 Seconds.
Fri Night...Sw Winds 10 To 15 Kt, Diminishing To 5 To 10 Kt After Midnight. Seas 2 To 3 Ft. Wave Detail: Se 3 Ft At 9 Seconds And Sw 2 Ft At 4 Seconds.
Sat...Sw Winds 10 To 15 Kt, Increasing To 15 To 20 Kt In The Afternoon. Gusts Up To 25 Kt. Seas 2 To 4 Ft. Wave Detail: Sw 4 Ft At 5 Seconds And Se 3 Ft At 9 Seconds.
Sat Night...Sw Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt After Midnight. Gusts Up To 25 Kt. Seas 3 To 4 Ft. Wave Detail: Sw 4 Ft At 5 Seconds And Se 3 Ft At 8 Seconds. Patchy Fog After Midnight. Showers Likely After Midnight.
Sun And Sun Night...W Winds 10 To 15 Kt, Becoming Ne 15 To 20 Kt. Gusts Up To 25 Kt. Seas 2 To 4 Ft. Patchy Fog. Showers Likely.
Mon And Mon Night...Ne Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt. Gusts Up To 25 Kt. Seas 3 To 5 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.