Last Update: 634 PM EDT Thu Apr 16 2026
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Tonight
E winds around 5 kt, becoming S late this evening and overnight. Seas around 2 ft. Wave detail: SE 2 ft at 8 seconds. Patchy fog until early morning. Areas of fog towards daybreak. Scattered tstms this evening. A chance of showers. Isolated tstms after midnight. Vsby 1 nm or less.
Fri
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 8 seconds. A chance of showers in the morning. Patchy fog. Vsby 1 nm or less.
Fri Night
NE winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 8 seconds.
Sat
E winds around 10 kt. Seas around 2 ft. Wave detail: E 2 ft at 7 seconds.
Sat Night
E winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave detail: E 3 ft at 7 seconds. A chance of showers after midnight.
Sun
S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SE 4 ft at 7 seconds. Rain.
Sun Night
W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain likely, mainly in the evening.
Mon
W winds 15 to 20 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft.
Mon Night
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Tue
W winds 10 to 15 kt, becoming S in the afternoon. Seas 2 to 3 ft.
Tue Night
S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers after midnight.
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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