National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Last Update: 426 AM CDT SUN APR 20 2014

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Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 NM

Marine Zone Forecast





  • SynopsisHIGH PRESSURE WILL REMAIN SETTLED OVER THE NORTH GULF THROUGH TODAY. A WEAK COLD FRONT WILL ENTER THE NORTH GULF LATE TUESDAY NIGHT AND DISSIPATE ON WEDNESDAY.
  • Today Northeast winds 10 to 15 knots. Seas 1 to 2 feet.
  • Tonight East winds 10 to 15 knots. Seas 1 to 2 feet.
  • Monday East winds 10 to 15 knots. Seas 1 foot or less.
  • Monday Night Southeast winds near 5 knots becoming southwest after midnight. Seas 1 foot or less.
  • Tuesday West winds 5 to 10 knots. Seas 1 foot or less. Slight chance of showers and thunderstorms in the afternoon.
  • Tuesday Night West winds 10 to 15 knots. Seas 1 to 2 feet.
  • Wednesday North winds 5 to 10 knots becoming east early in the afternoon...then becoming south late in the afternoon. Seas 1 foot or less.
  • Wednesday Night South winds 5 to 10 knots. Seas 1 foot or less.
  • Thursday South winds near 10 knots. Seas 1 to 2 feet.
  • Thursday Night South winds near 10 knots. Seas 2 to 3 feet.



Additional Forecasts and Information

Zone Area Forecast for Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 NM