National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Last Update: 253 PM AKDT MON OCT 20 2014

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Marmot Island to Sitkinak

Marine Zone Forecast

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

  • SynopsisA 979 MB LOW ABOUT 550 NM SOUTHWEST OF PORT ALEXANDER WILL MOVE TO AROUND 200 NM SOUTH SOUTHWEST OF PORT ALEXANDER AND STRENGTHEN TO 972 MB TUE AFTERNOON. THIS LOW THEN MOVES TO AROUND 325 NM SOUTHWEST OF PORT ALEXANDER WED AFTERNOON AT 975 MB.
  • Tonight W wind 15 kt becoming variable 10 kt after midnight. Seas 5 ft.
  • Tue Variable wind 10 kt becoming N 15 kt in the afternoon. Seas 4 ft.
  • Tue Night N wind 20 kt increasing to 30 kt after midnight. Seas 13 ft.
  • Wed And Wed Night N wind 30 kt. Seas 14 ft.
  • Thu NW wind 25 kt. Seas 8 ft.
  • Fri Through Sat W wind 15 kt. Seas 5 ft.



Additional Forecasts and Information

Zone Area Forecast for Marmot Island to Sitkinak
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