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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast

This Afternoon

S winds 5 to 10 kt. Seas 1 to 2 ft.

Tonight

SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds.

Sat

SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds.

Sat Night

S winds 5 to 10 kt, becoming E with gusts up to 20 kt after midnight. Seas around 2 ft.

Sun

NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: E 5 ft at 5 seconds. A chance of showers.

Sun Night

NE winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. Wave detail: SE 6 ft at 7 seconds, becoming E 7 ft at 7 seconds. A chance of showers in the evening, then showers likely after midnight.

Mon

NE winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 13 ft, building to 11 to 15 ft in the afternoon. Showers likely.

Mon Night

NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 11 to 15 ft, subsiding to 10 to 12 ft after midnight. Showers likely.

Tue

NE winds 15 to 20 kt with gusts up to 30 kt. Seas 9 to 11 ft. Showers likely.

Tue Night

N winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 10 ft. A chance of showers.