National Weather Service United States Department of Commerce

Rainfall and mountain snow will continue across the western U.S. into Monday

Heavy precipitation along the west coast will persist with a focus along the Coastal Ranges and Cascades. While not nearly as impressive as recent days, the forecast suggests another 1 to 3 inches of rainfall is possible across this region. Farther inland, moderate to heavy snow is likely over the Wasatch and Colorado Rockies with 1 to 2 foot amounts possible through Monday.
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Last Update: 300 AM PST MON DEC 22 2014

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Northern Inland Waters Including The San Juan Islands

Marine Zone Forecast





  • SynopsisWEAK HIGH PRES WILL MOVE OVER THE WATERS TODAY. A FRONTAL SYSTEM WILL MOVE THROUGH THE AREA TONIGHT AND TUE. A TRAILING SURFACE LOW WILL AFFECT THE WATERS WED.
  • Today W wind 10 to 20 kt...becoming NW 10 kt in the afternoon. Wind waves 1 to 3 ft...subsiding to 1 ft or less in the afternoon.
  • Tonight E wind 10 to 15 kt. Wind waves 2 ft or less.
  • Tue SE wind 20 to 30 kt. Wind waves 3 to 5 ft. Rain.
  • Tue Night W wind 15 to 25 kt...becoming SW 10 to 20 kt after midnight. Wind waves 2 to 4 ft...subsiding to 1 to 3 ft.
  • Wed SW wind 5 to 15 kt. Wind waves 2 ft or less.
  • Wed Night NW wind 10 to 20 kt...rising to 15 to 25 kt after midnight. Wind waves 1 to 3 ft...building to 2 to 4 ft.
  • Thu W wind 5 to 15 kt...becoming SE. Wind waves 2 ft or less.
  • Fri SE wind to 10 kt. Wind waves 1 ft or less.



Additional Forecasts and Information

Zone Area Forecast for Northern Inland Waters Including The San Juan Islands
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