Hazardous Weather Conditions
Last Update: 239 AM EDT Wed May 6 2026
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Today
S winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 8 seconds. A chance of showers late.
Tonight
S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave detail: S 6 ft at 7 seconds. Showers.
Thu
W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 7 seconds.
Thu Night
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 6 seconds.
Fri
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 5 seconds and SE 2 ft at 9 seconds.
Fri Night
SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: SE 3 ft at 10 seconds.
Sat
SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 3 to 5 ft. A chance of showers in the afternoon.
Sat Night
S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.
Sun
S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 4 ft.
Sun Night
S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft. A chance of showers in the evening, then showers likely after midnight.
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