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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast

Tonight

W winds 15 to 25 kt, becoming NW after midnight, then diminishing to 10 to 15 kt towards daybreak. Seas 2 to 4 ft. Wave detail: W 3 ft at 4 seconds and SE 2 ft at 10 seconds.

Mon

N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: NW 3 ft at 3 seconds and SE 2 ft at 9 seconds.

Mon Night

N winds around 5 kt. Seas around 2 ft.

Tue

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

Tue Night

S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave detail: S 4 ft at 5 seconds and E 2 ft at 11 seconds. Showers.

Wed

S winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: S 4 ft at 6 seconds and SE 4 ft at 10 seconds. Showers in the morning.

Wed Night

SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.

Thu

SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.

Thu Night

SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.

Fri

W winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the morning.

Fri Night

N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.