National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Last Update: 314 PM EST SUN DEC 21 2014

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Penobscot Bay

Marine Zone Forecast





  • SynopsisA WEAK INVERTED TROUGH WILL LINGER THROUGH MONDAY BEFORE SHIFTING ONSHORE MONDAY NIGHT. STRONG LOW PRESSURE WELL TO THE WEST WILL DRIVE A WARM FRONT WITH A STRONG SOUTHEAST FLOW ACROSS THE WATERS WEDNESDAY AND WEDNESDAY NIGHT. A COLD FRONT CROSSES THE WATERS AND SWITCHES THE FLOW TO THE WEST ON THURSDAY.
  • Tonight NE winds 5 to 10 kt. Seas 1 foot or less. A chance of snow and rain showers. Vsby 1 to 3 nm.
  • Mon E winds 5 to 10 kt. Seas 1 foot or less. A chance of snow and rain showers. Vsby 1 to 3 nm.
  • Mon Night E winds 5 to 10 kt. Seas 1 foot or less. A chance of rain and snow showers in the evening. Vsby 1 to 3 nm.
  • Tue SE winds 5 to 10 kt. Seas 1 foot or less.
  • Tue Night E winds 5 to 15 kt...becoming SE 10 to 20 kt after midnight. Seas 1 to 2 ft. Rain likely.
  • Wed SE winds 15 to 25 kt. Gusts up to 30 kt... Increasing to 40 kt in the afternoon. Seas 3 to 5 ft. Rain.
  • Wed Night S winds 20 to 30 kt with gusts up to 40 kt. Seas 4 to 7 ft. Rain.
  • Thu SW winds 15 to 25 kt. Seas 4 to 6 ft. Occasional showers.
  • Thu Night W winds 10 to 20 kt. Seas 2 to 4 ft.
  • Fri W winds 10 to 20 kt. Seas around 2 ft.
  • Fri Night SW winds 5 to 10 kt. Seas 2 to 4 ft.



Additional Forecasts and Information

Zone Area Forecast for Penobscot Bay
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