Last Update: 247 AM EDT Sat Jun 20 2026

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Today
W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: W 2 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of showers late.
Tonight
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: NW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
Sun
SW winds around 5 kt. Seas around 2 ft. Wave detail: SE 2 ft at 9 seconds. A chance of showers in the afternoon.
Sun Night
W winds around 5 kt. Seas around 2 ft. Wave detail: SE 2 ft at 9 seconds.
Mon
W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Showers likely in the afternoon.
Mon Night
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: SE 4 ft at 6 seconds. Showers.
Tue
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Showers likely in the morning.
Tue Night
W winds around 5 kt. Seas 2 to 3 ft.
Wed
NW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
Wed Night
S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft.



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247 AM EDT Sat Jun 20 2026
 
 

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