National Weather Service United States Department of Commerce

Severe weather possible across parts of Northeast, Ozarks, Intermountain West to northern Rockies

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening for three separate areas across the U.S. One area covers parts of the Northeast and New England. Another area is across parts of the Ozarks. The third area stretches across parts of the Intermountain West, northern Rookies and northern Plains.
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Last Update: 402 PM EDT WED JUL 23 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 THROUGH THURSDAY MORNING...



  • SynopsisA COLD FRONT WILL SLOWLY CROSS THE WATERS THURSDAY. HIGH PRESSURE BUILDS ACROSS THE WATERS FOR FRIDAY AND SATURDAY. HIGH PRESSURE OFF SHORE WILL BRING A RETURN OF SOUTH TO SOUTHWEST WINDS FOR SUNDAY AND MONDAY WITH SHOWERS AND THUNDERSTORMS LIKELY.

    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 15 to 20 kt with gusts up to 30 kt... Diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Patchy fog. A slight chance of showers and tstms this evening...then showers likely with a chance of tstms after midnight. Some tstms may produce heavy rainfall. Vsby 1 to 3 nm after midnight.
  • Thu NW winds 5 to 10 kt...becoming N 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 nm.
  • Thu Night N winds around 5 kt...becoming NW after midnight. Seas 2 to 3 ft.
  • Fri N winds 5 to 10 kt...becoming S in the afternoon. Seas around 2 ft.
  • Fri Night SW winds 5 to 10 kt. Seas 2 to 3 ft.
  • Sat S winds 10 to 15 kt. Seas 2 to 4 ft.
  • Sat Night SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. A chance of showers and tstms.
  • Sun S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms.
  • Sun Night S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers and tstms likely.
  • Mon S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers and tstms likely.
  • Mon Night SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms.

    winds and seas higher in and near tstms.

    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.




WINDS AND SEAS HIGHER IN AND NEAR TSTMS. 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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