Last Update: 151 AM EDT Thu Sep 25 2025

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Rest Of Tonight
E winds around 10 kt. Seas 4 to 5 ft. Wave detail: SE 4 ft at 11 seconds. Scattered showers. Areas of fog. Vsby 1 nm or less.
Thu
SE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 5 ft. Wave detail: SE 4 ft at 5 seconds and SE 4 ft at 11 seconds. Areas of fog in the morning. Showers. Vsby 1 nm or less.
Thu Night
S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SE 5 ft at 6 seconds and SE 3 ft at 11 seconds. Showers, mainly in the evening. Areas of fog after midnight. Vsby 1 nm or less in the evening.
Fri
SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave detail: SE 4 ft at 6 seconds and SE 4 ft at 10 seconds. Areas of fog in the morning.
Fri Night
W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave detail: SE 4 ft at 9 seconds.
Sat
N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds.
Sat Night
S winds 5 to 10 kt. Seas around 2 ft.
Sun
S winds 5 to 10 kt. Seas around 2 ft.
Sun Night
SW winds 5 to 10 kt. Seas around 2 ft.
Mon
W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft.
Mon Night
W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 4 ft.



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151 AM EDT Thu Sep 25 2025
 
 

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