Hazardous Weather Conditions
Last Update: 104 AM EST Mon Nov 10 2025
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Today
SW winds 5 to 10 kt, becoming NE late this morning, then increasing to 5 to 10 kt early this afternoon, becoming E late. Seas 5 to 6 ft. Wave detail: E 6 ft at 7 seconds. Areas of dense fog until late afternoon. A chance of rain early this morning, then rain late this morning and afternoon. Vsby 1 nm or less until late afternoon.
Tonight
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: SE 6 ft at 8 seconds and W 4 ft at 3 seconds. Rain likely in the evening.
Tue
W winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft. Wave detail: W 5 ft at 5 seconds and SE 5 ft at 9 seconds.
Tue Night
W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 5 seconds and SE 4 ft at 9 seconds.
Wed
SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 5 seconds and SE 3 ft at 10 seconds. A chance of showers in the morning.
Wed Night
W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: SW 5 ft at 5 seconds and SE 2 ft at 11 seconds.
Thu
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the afternoon.
Thu Night
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Fri
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Fri Night
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
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