Last Update: 950 AM EST Sat Dec 6 2025

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast


Rest Of Today
SW winds 5 to 10 kt. Seas around 2 ft. Snow likely late this morning. A chance of rain. A chance of snow this afternoon. Vsby 1 nm or less late this morning and early afternoon.
Tonight
W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 4 seconds.
Sun
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 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
N winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. Wave detail: SE 3 ft at 9 seconds and NW 2 ft at 3 seconds. A chance of rain in the evening. A chance of snow. Vsby 1 to 3 nm.
Mon
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: N 4 ft at 4 seconds and SE 3 ft at 8 seconds. A chance of snow in the morning with vsby 1 to 3 nm.
Mon Night
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave detail: N 4 ft at 4 seconds and SE 2 ft at 8 seconds.
Tue
W winds around 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft.
Tue Night
SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft. A chance of snow in the evening. Vsby 1 nm or less.
Wed
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain in the afternoon with vsby 1 nm or less.
Wed Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Rain likely, mainly in the evening. Vsby 1 nm or less.



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950 AM EST Sat Dec 6 2025
 
 

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