National Weather Service United States Department of Commerce

Tropical Storm Bertha moving through northeastern Caribbean

The National Hurricane Center is currently monitoring Tropical Storm Bertha as it moves through the northeastern Caribbean, with maximum sustained winds of 50 mph. A Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin Islands, with Bertha expected to pass near Puerto Rico on Saturday, before eventually curving to the north and northeast, away from the U.S. mainland.
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Last Update: 717 PM EDT FRI AUG 1 2014

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Vineyard Sound

Marine Zone Forecast





  • SynopsisA WEAK RIDGE OF HIGH PRES WILL REMAIN JUST EAST OF THE WATERS TODAY. A STATIONARY FRONT WILL SET UP ACROSS THE WATERS THROUGH THE WEEKEND. A COUPLE WAVES OF LOW PRES RIDE ALONG IT WITH PERIODS OF SHOWERS. A WEAK RIDGE OF HIGH PRES WILL THEN BUILD BACK OVER THE WATERS ON TUE. A COLD FRONT MAY APPROACH THE WATERS WED.

    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 S winds around 5 kt. Seas around 2 ft. Isolated showers after midnight.
  • Sat E winds 5 to 10 kt. Seas around 2 ft. Areas of fog. Rain with a chance of tstms. Vsby 1 nm or less.
  • Sat Night E winds 5 to 10 kt...becoming N after midnight. Seas around 2 ft. Areas of fog. Rain likely. Vsby 1 nm or less.
  • Sun NE winds around 5 kt...becoming SE in the afternoon. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 nm or less.
  • Sun Night S winds around 5 kt...becoming W after midnight. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 to 3 nm.
  • Mon NW winds around 5 kt...becoming S around 5 kt in the afternoon. Seas 1 foot or less. Areas of fog. Vsby 1 to 3 nm.
  • Mon Night SW winds around 5 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 nm.
  • Tue SW winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 nm.
  • Tue Night SW winds 5 to 10 kt. Seas around 2 ft.
  • Wed W winds around 5 kt. Seas 2 to 3 ft.
  • Wed Night W winds around 5 kt. Seas 2 to 3 ft.

    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 Vineyard Sound
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