Last Update: 741 PM EST Sat Dec 6 2025

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Tonight
W winds 10 to 15 kt, becoming NW towards daybreak. Seas 2 to 3 ft. Wave detail: SW 2 ft at 3 seconds.
Sun
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N around 5 kt in the afternoon. Seas 2 to 3 ft. Wave detail: NW 2 ft at 3 seconds and SE 2 ft at 9 seconds.
Sun Night
W winds 5 to 10 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 4 ft. Wave detail: SE 3 ft at 9 seconds. A chance of rain or snow.
Mon
NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. Wave detail: N 4 ft at 4 seconds and SE 3 ft at 9 seconds.
Mon Night
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave detail: N 3 ft at 4 seconds and SE 2 ft at 8 seconds.
Tue
W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds.
Tue Night
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of snow. Vsby 1 nm or less.
Wed
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain in the afternoon with vsby 1 to 3 nm.
Wed Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
Thu
W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
Thu Night
W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. A chance of snow after midnight with vsby 1 to 3 nm.



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741 PM EST Sat Dec 6 2025
 
 

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