Last Update: 502 PM EDT Mon Aug 24 2026

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Tonight
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds. A slight chance of showers early this evening. Patchy fog towards daybreak. Vsby 1 nm or less towards daybreak.
Tue
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 6 seconds. Patchy fog in the morning with vsby 1 nm or less.
Tue Night
W winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds.
Wed
NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SE 2 ft at 10 seconds.
Wed Night
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 10 seconds.
Thu
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 3 ft. Wave detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds.
Thu Night
S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers in the evening, then showers likely after midnight.
Fri
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Fri Night
SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft.
Sat
N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft.
Sat Night
SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft.



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502 PM EDT Mon Aug 24 2026
 
 

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