Last Update: 802 AM EDT Sun Sep 13 2026
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Today
S winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with gusts up to 20 kt late this morning and early afternoon, then becoming SE 5 to 10 kt late. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds. Patchy fog. Showers late this morning and afternoon. A slight chance of tstms early this afternoon. Vsby 1 nm or less.
Tonight
SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 4 seconds and SE 2 ft at 10 seconds. A chance of showers in the evening.
Mon
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. A chance of showers in the morning.
Mon Night
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds and NW 2 ft at 3 seconds.
Tue
NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave detail: NE 2 ft at 6 seconds.
Tue Night
S winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 7 seconds.
Wed
S winds 5 to 10 kt. Seas around 2 ft.
Wed Night
S winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft.
Thu
E winds around 5 kt. Seas 2 to 3 ft.
Thu Night
SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. A chance of showers.
winds and seas higher in and near tstms.
winds and seas higher in and near tstms.
Winds and seas higher in and near tstms.
Additional Forecasts and Information
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