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Anchorage, AK Local Forecast Office

47NM SSE Shemya AK

Marine Zone Forecast

...STORM WARNING TONIGHT AND MONDAY...

Synopsis: A 978 mb low 310 nm N of Attu moves to 160 nm NW of Saint Lawrence Island at 987 mb tonight and then exits to the north. A 975 mb low moves to 45 nm SW of Attu tonight and then to 340 nm N of Attu at 950 mb Mon afternoon. Its front moves across the Bering Sea through Mon night.

Today

SW wind 40 kt diminishing to 30 kt in the afternoon. Seas 21 ft. Rain.

Tonight

S wind 35 kt increasing to 55 kt after midnight. Seas 20 ft. Rain.

Mon

SW wind 50 kt diminishing to 40 kt in the afternoon. Seas 25 ft.

Mon Night

SW wind 35 kt. Seas 19 ft.

Tue

SW wind 35 kt. Seas 14 ft.

Wed

S wind 50 kt. Seas 35 ft.