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Last Update: 103 AM EDT Thu Sep 4 2025
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24NM ESE Portsmouth RI
Marine Zone Forecast
Rest Of Tonight
SW winds around 5 kt. Seas around 2 ft. Wave detail: SE 1 foot at 7 seconds.
Thu
S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 2 seconds and SE 1 foot at 7 seconds.
Thu Night
S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave detail: S 1 foot at 3 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 nm.
Fri
S 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 3 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning.
Fri Night And Sat
S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: S 3 ft at 6 seconds.
Sat Night
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: S 3 ft at 7 seconds. A chance of showers in the evening, then showers likely after midnight.
Sun
NW winds 10 to 15 kt. Seas around 2 ft. Showers likely.
Sun Night And Mon
NW winds 10 to 15 kt. Seas around 2 ft. A chance of showers.
Mon Night
NW winds around 10 kt. Seas around 2 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.
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.
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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