Last Update: 220 PM EDT Fri Sep 18 2026

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Rest Of Today
W winds 5 to 10 kt. Seas around 2 ft. Wave detail: E 2 ft at 7 seconds.
Tonight
N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: N 2 ft at 3 seconds and E 2 ft at 7 seconds.
Sat
N winds 10 to 15 kt with gusts up to 20 kt, becoming E around 5 kt in the afternoon. Seas 2 to 3 ft. Wave detail: NE 2 ft at 4 seconds.
Sat Night
S winds 5 to 10 kt. Seas around 2 ft.
Sun
S winds 5 to 10 kt. Seas around 2 ft. Showers likely in the afternoon.
Sun Night
SE winds 5 to 10 kt, becoming NE with gusts up to 20 kt after midnight. Seas around 2 ft. Wave detail: SE 2 ft at 3 seconds. Showers.
Mon
N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft. A chance of showers in the morning.
Mon Night
NE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
Tue
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Tue Night
NE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft.



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220 PM EDT Fri Sep 18 2026
 
 

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