National Weather Service United States Department of Commerce

Unsettled weather forecast across eastern U.S.

A storm system moving across the Great Lakes will bring unsettled weather to parts of the eastern U.S. on Monday, with widespread rain is expected across much of the Northeast. Snow is likely across Wisconsin and the western Great Lakes. Snow is also expected across the central and northern Rockies Monday into Tuesday.
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Last Update: 335 PM EST MON NOV 24 2014

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Cape Cod Bay

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...



  • SynopsisA WARM FRONT HAS PUSHED NORTH ACROSS SOUTHERN NEW ENGLAND THIS AFTERNOON. A WEAK COLD FRONT CROSSES THE WATERS TUESDAY MORNING. LOW PRES IS FORECAST TO INTENSIFY ON WEDNESDAY AS IT TRACKS NORTH UP ALONG THE EAST COAST...TRACKING NEAR THE 40N/70W BENCHMARK WED NIGHT. HIGH PRES BUILDS ACROSS THE WATERS BY 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 SW winds 20 to 25 kt...diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Isolated showers this evening. Vsby 1 to 3 nm... Decreasing to 1 nm or less after midnight.
  • Tue SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
  • Tue Night W winds 10 to 15 kt with gusts up to 20 kt... Becoming NW 5 to 10 kt after midnight. Seas around 2 ft. A chance of rain.
  • Wed N winds 10 to 15 kt...becoming NE 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 nm.
  • Wed Night NE winds 25 to 30 kt with gusts up to 40 kt... Becoming N 15 to 20 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. Rain. Vsby 1 to 3 nm.
  • Thu NW winds 15 to 20 kt...diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. A chance of rain.
  • Thu Night NW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft.
  • Fri NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
  • Fri Night NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft.
  • Sat SW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less.
  • Sat Night SW winds around 10 kt with gusts up to 25 kt. Seas 2 to 3 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 Cape Cod Bay
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