National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Last Update: 930 PM CST SAT NOV 22 2014

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Lake Pontchartrain/Lake Maurepas

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST TEN PERCENT OF THE WAVES.

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

  • SynopsisA VIGOROUS STORM SYSTEM WILL SWEEP ACROSS THE LOWER MISSISSIPPI VALLEY WITH A DEEPENING SURFACE LOW MOVING THROUGH THE RED RIVER VALLEY AND INTO THE OZARKS THIS WEEKEND. THE SURFACE LOW WILL QUICKLY MOVE NORTH TOWARDS THE GREAT LAKES AND A COLD FRONT WILL EVENTUALLY SWING THROUGH THE AREA MON.
  • Tonight Southeast winds 15 to 25 knots. Waves 3 to 5 feet. showers and thunderstorms...mainly late.
  • Sunday Southwest winds 15 to 25 knots. Waves 3 to 5 feet. Showers and thunderstorms in the morning...then slight chance of showers in the afternoon.
  • Sunday Night West winds 15 to 20 knots. Waves 3 to 4 feet.
  • Monday Northwest winds 10 to 15 knots. Waves 2 to 3 feet.
  • Monday Night North winds 10 to 15 knots. Waves 2 to 3 feet.
  • Tuesday North winds 10 to 15 knots. Waves 2 to 3 feet.
  • Tuesday Night Northwest winds near 10 knots. Waves 2 feet.
  • Wednesday West winds near 10 knots. Waves 1 to 2 feet.
  • Wednesday Night West winds 5 to 10 knots. Waves 1 to 2 feet.
  • Thursday West winds 5 to 10 knots. Waves 1 foot or less.
  • Thursday Night North winds 5 to 10 knots. Waves 1 foot or less.



Additional Forecasts and Information

Zone Area Forecast for Lake Pontchartrain/Lake Maurepas
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