National Weather Service United States Department of Commerce

Severe weather possible for parts of central U.S.

Widespread thunderstorm activity is expected to develop on Thursday along a cold front moving eastward across the plains into the Mississippi Valley. A potential for damaging wind gusts will develop with the stronger thunderstorms. Hail will also be possible in the ArkLaTex and Ozarks.
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Last Update: 717 AM EDT THU OCT 2 2014

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Cape Cod Bay

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



  • SynopsisHIGH PRES OVER SE CANADA COMBINED WITH LOW PRES WELL OFFSHORE OF CAPE COD WILL KEEP A PERSISTENT NE WIND FLOW ACROSS THE WATERS THROUGH TODAY. THE HIGH WILL NUDGE SOUTH OVER NEW ENGLAND THIS AFTERNOON AND FRI PUSHING IN DRIER AIR. A STRONG COLD FRONT WILL SWEEP ACROSS THE WATERS LATE SAT. GUSTY WEST WINDS WILL FOLLOW ON SUN AS HIGH PRES BUILDS OVER THE EAST COAST. THE HIGH WILL MOVE OFFSHORE ON MON.

    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.
  • Today NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain...mainly this morning. Patchy fog this morning with vsby 1 to 3 nm.
  • Tonight NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
  • Fri NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
  • Fri Night NE winds 5 to 10 kt. Seas 2 to 3 ft.
  • Sat SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 nm.
  • Sat Night SE winds 10 to 15 kt...becoming SW after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Showers.
  • Sun W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
  • Sun Night W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
  • Mon SW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less.
  • Mon Night S winds around 10 kt with gusts up to 20 kt. Seas 1 foot or less.

    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.




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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