Hazardous Weather Conditions
Last Update: 1024 AM EDT Tue May 20 2025
For More Weather Information:
25NM ENE Portsmouth NH
Marine Zone Forecast
Rest Of Tonight
N winds 15 to 20 kt, becoming NE 10 to 15 kt. Seas 2 to 4 ft. Wave detail: NE 4 ft at 7 seconds. Isolated showers early.
Wed
NE winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: NE 3 ft at 7 seconds.
Wed Night
E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: E 4 ft at 7 seconds.
Thu
E winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave detail: E 6 ft at 6 seconds. A chance of rain in the morning, then rain likely in the afternoon.
Thu Night
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: E 7 ft at 8 seconds. Rain.
Fri
N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: E 7 ft at 9 seconds. Rain likely, mainly in the morning.
Fri Night
NW winds around 10 kt. Seas 5 to 7 ft. A chance of rain in the evening, then a chance of showers after midnight.
Sat
N winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers.
Sat Night
NW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers in the evening.
Sun
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft.
Sun Night
SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft.
Additional Forecasts and Information
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