Hazardous Weather Conditions
Last Update: 1231 AM EST Tue Nov 25 2025
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Today
SW winds 10 to 15 kt, increasing to 15 to 20 kt late this morning and early afternoon, then diminishing to 10 to 15 kt late. Seas 2 to 4 ft. Wave detail: SW 3 ft at 4 seconds.
Tonight
SW winds 10 to 15 kt, becoming S 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave detail: S 4 ft at 5 seconds. Rain.
Wed
S winds 15 to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: S 4 ft at 6 seconds. A chance of rain.
Wed Night
S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave detail: SE 4 ft at 8 seconds and W 3 ft at 3 seconds. A chance of rain.
Thu
W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: W 4 ft at 4 seconds and SE 4 ft at 8 seconds.
Thu Night
SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 7 seconds and SW 4 ft at 4 seconds.
Fri
W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft.
Fri Night
W winds around 20 kt with gusts up to 35 kt. Seas 4 to 6 ft.
Sat
W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Sat Night
NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft.
Additional Forecasts and Information
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