Last Update: 802 AM EDT Tue Aug 4 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 20 kt, becoming SW 5 to 10 kt late this morning, then increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft 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 4 ft. Wave detail: SE 3 ft at 8 seconds.
Wed
S winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 7 seconds.
Wed Night
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 7 seconds.
Thu
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 7 seconds.
Thu Night
SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds.
Fri
SW winds 5 to 10 kt. Seas around 2 ft.
Fri Night
SW winds 5 to 10 kt. Seas around 2 ft.
Sat
W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. A chance of showers in the afternoon.
Sat Night
SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the evening.



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802 AM EDT Tue Aug 4 2026
 
 

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