National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Last Update: 253 AM EST FRI NOV 21 2014

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Casco Bay

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...



  • SynopsisAN ARCTIC COLD FRONT WILL CROSS THE WATERS THIS MORNING. HIGH PRESSURE WILL BUILD TO THE SOUTH OF THE GULF OF MAINE THROUGH SATURDAY. A WARM FRONT APPROACHES FROM THE SOUTHWEST MONDAY MORNING... CROSSING THE GULF OF MAINE AND LIFTING NORTHEAST INTO THE MARITIMES BY MONDAY NIGHT. A COLD FRONT ATTEMPTS TO CROSS THE WATERS TUESDAY MORNING INTO WEDNESDAY. LOW PRESSURE PASSES WELL OUTSIDE THE BENCHMARK WEDNESDAY AND THANKSGIVING MORNING.
  • Today NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 2 ft.
  • Tonight W winds 10 to 20 kt with gusts up to 25 kt. Seas 1 foot or less.
  • Sat SW winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
  • Sat Night SW winds 15 to 20 kt...becoming 10 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
  • Sun SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
  • Sun Night SW winds 10 to 15 kt...becoming S after midnight. Seas 1 foot or less...then around 2 ft after midnight. Rain likely after midnight.
  • Mon SE winds 10 to 20 kt. Seas 3 to 5 ft. Showers.
  • Mon Night SW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers.
  • Tue SW winds 15 to 20 kt. Seas 3 to 5 ft.
  • Tue Night W winds 15 to 20 kt. Seas 2 to 4 ft.



Additional Forecasts and Information

Zone Area Forecast for Casco Bay
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