National Weather Service United States Department of Commerce

Coastal low to bring gusty winds and periods of heavy rain to New England while moderate to heavy rain is expected to linger in the Pacific Northwest and northern California

A coastal low will slowly intensify before moving out of the New England area. Increasingly heavy rainfall will impact the region through Friday. In addition, winds will increase and seas will become rough as the storm gradually intensifies just off the coast. Out west, a cold front approaching the Pacific Northwest will bring moderate to heavy rain to Washington, Oregon and northern California.
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Last Update: 850 PM CDT TUE OCT 21 2014

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Lake Michigan Michigan City IN to St. Joseph MI 5 NM off shore to Mid Lake

Marine Zone Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

  • SynopsisHIGH PRESSURE OF 30.4 INCHES EXTENDS FROM NORTHERN QUEBEC THROUGH THE WESTERN GREAT LAKES AND WILL CONTINUE TO BUILD OVER THE REGION THROUGH WEDNESDAY. AS THE RIDGE MOVES TO THE EAST OF THE LAKE WEDNESDAY NIGHT...A TROUGH OF LOW PRESSURE AVERAGING 29.9 INCHES WILL CROSS THE CENTRAL PLAINS...REACHING THE UPPER MISSISSIPPI VALLEY BY THURSDAY MORNING. THIS WILL SET UP A STRENGTHENING SOUTHERLY GRADIENT OVER THE LAKE. WINDS WILL REMAIN GENERALLY SOUTHERLY UNTIL AN ASSOCIATED WEAK COLD FRONT PUSHES ACROSS THE LAKE THURSDAY NIGHT.
  • Rest Of Tonight North winds 15 to 20 kt becoming east 10 to 15 kt late. Waves 4 to 7 ft occasionally to 9 ft.
  • Wednesday East winds 10 to 15 kt becoming northeast 5 to 10 kt by early afternoon. Waves 2 to 4 ft subsiding to 1 to 2 ft in the afternoon.
  • Wednesday Night Southeast winds 10 to 15 kt becoming south 15 to 20 kt. Waves 1 to 3 ft.
  • Thursday South winds 10 to 20 kt. Waves 2 to 4 ft building to 3 to 5 ft occasionally to 7 ft in the afternoon.
  • Thursday Night Southwest winds 15 to 20 kt becoming northwest. Chance of showers. Waves 3 to 5 ft occasionally to 7 ft.
  • Friday West winds 10 to 20 kt. Waves 2 to 4 ft.
  • Friday Night Southwest winds 10 to 15 kt. Waves 2 to 4 ft.
  • Saturday West winds 10 to 20 kt. Waves 1 to 3 ft.
  • Sunday South winds 10 to 20 kt. Waves 1 to 3 ft.



Additional Forecasts and Information

Zone Area Forecast for Lake Michigan Michigan City IN to St. Joseph MI 5 NM off shore to Mid Lake
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