Last Update: 404 PM EDT Tue Aug 18 2026
For More Weather Information:
6NM WNW Portsmouth RI
Marine Zone Forecast
Tonight
SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog after midnight with vsby 1 to 3 nm.
Wed
SW winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. Patchy fog in the morning with vsby 1 to 3 nm.
Wed Night
SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog after midnight with vsby 1 to 3 nm.
Thu
W winds 5 to 10 kt. Waves around 2 ft in the morning, then 1 foot or less. Patchy fog in the morning with vsby 1 to 3 nm.
Thu Night
W winds 5 to 10 kt, becoming NW after midnight. Waves 1 foot or less.
Fri And Fri Night
E winds 5 to 10 kt. Waves 1 foot or less.
Sat
E winds 5 to 10 kt. Waves around 2 ft. A chance of showers.
Sat Night
NE winds 5 to 10 kt. Waves around 2 ft. Showers likely.
Sun And Sun Night
SE winds 5 to 10 kt, becoming SW. Waves around 2 ft. A chance of showers.
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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