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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Zone Forecast

Today

SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: S 4 ft at 7 seconds and SE 2 ft at 8 seconds.

Tonight

S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 5 seconds. Rain after midnight.

Mon

SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 6 seconds. A chance of showers in the morning.

Mon Night

NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 6 seconds.

Tue

W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave detail: SE 2 ft at 8 seconds.

Tue Night

S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 6 seconds.

Wed

S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.

Wed Night

S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers.

Thu

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 around 2 ft, building to 3 to 5 ft in the afternoon. A chance of showers.

Thu Night

SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely, mainly in the evening.