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: 717 PM EST SUN DEC 21 2014

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Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary

Marine Zone Forecast




...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING...

  • SynopsisHIGH PRES WILL SHIFT OVER NOVA SCOTIA AND THE CANADIAN MARITIMES MON AND TUE. A RAPIDLY INTENSIFYING LOW PRES SYSTEM WILL THEN PASS WELL TO OUR WEST ACROSS THE GREAT LAKES LATE WED INTO WED NIGHT. THIS WILL BRING A PERIOD OF STRONG WINDS AND HIGH SEAS TO THE WATERS. A COLD FRONT WILL THEN CROSS THE WATERS ON THU. HIGH PRESSURE WILL BUILD OVR THE WATERS FOR FRIDAY.

    FOR INFORMATION ON POSSIBLE HAZARDOUS WEATHER BEYOND THE 24-36 HOUR FORECAST PERIOD...PLEASE VISIT WWW.WEATHER.GOV/BOSTON AND FOLLOW THE CURRENT HAZARDS LINK ABOVE THE MAP ON THE LEFT.
  • Tonight N winds around 10 kt. Seas around 4 ft. Isolated showers.
  • Mon NE winds 5 to 10 kt. Seas 3 to 5 ft.
  • Mon Night E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft.
  • Tue E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of rain.
  • Tue Night SE winds around 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of rain.
  • Wed SE winds 10 to 15 kt...increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Showers.
  • Wed Night S winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. Showers. Vsby 1 to 3 nm.
  • Thu SW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Showers.
  • Thu Night W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft.
  • Fri W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
  • Fri Night SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.

    seas are reported as significant wave height...which is the average of the highest third of the waves. individual wave heights may be more than twice the significant wave height.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
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