Last Update: 123 AM EDT Sat Oct 4 2025
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Today
W winds around 5 kt, becoming SW this afternoon. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds.
Tonight
W winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave detail: E 2 ft at 11 seconds.
Sun
NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 12 seconds.
Sun Night
SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 3 seconds and SE 2 ft at 13 seconds.
Mon
SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: S 3 ft at 4 seconds and E 2 ft at 12 seconds.
Mon Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 5 seconds and E 2 ft at 11 seconds.
Tue
SW winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Seas 2 to 4 ft.
Tue Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers.
Wed
W winds 10 to 15 kt, becoming NW in the afternoon. Seas 2 to 4 ft. Showers.
Wed Night
N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Showers likely in the evening.
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