National Weather Service United States Department of Commerce

Mix of precipitation forecast for much of eastern, southern U.S.

A system moving across the Great Lakes will bring a mix of precipitation from the southern Plains to New England on Tuesday. Rain is forecast from TX across the Southeast and into the mid-Atlantic, with freezing rain, sleet and/or mixed precipitation from the Midwest across the Ohio Valley and Central Appalachians. Snow is forecast from the northern Plains across the Great Lakes into New England.
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Last Update: 930 PM CST TUE MAR 3 2015

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Lake Pontchartrain and 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.

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST WEDNESDAY...

  • SynopsisHIGH PRESSURE EXTENDING ACROSS THE GULF OF MEXICO WILL REMAIN IN CONTROL THROUGH WEDNESDAY. A STRONG COLD FRONT WILL MOVE THROUGH THE COASTAL WATERS WEDNESDAY NIGHT AND EARLY THURSDAY. THE FRONT WILL STALL OVER THE GULF AND AN AREA OF LOW PRESSURE WILL FORM OVER THE WESTERN GULF OF MEXICO FOR THE WEEKEND.
  • Tonight South winds 5 to 10 knots. Waves 1 foot dominant period 2 seconds. Patchy fog in the evening. Widespread fog after midnight. visibility 1 nm or less at times. Slight chance of showers through the night.
  • Wednesday South winds 10 to 15 knots. Waves 1 to 2 feet dominant period 2 seconds. Widespread fog in the morning. Chance of showers through the day. Chance of thunderstorms in the afternoon.
  • Wednesday Night Southwest winds 10 to 15 knots becoming northwest 15 to 20 knots after midnight. Waves 2 to 4 feet dominant period 2 seconds. Chance of showers in the evening... Then light rain likely after midnight.
  • Thursday North winds 20 to 25 knots. Waves 3 to 4 feet dominant period 2 seconds. Chance of light rain.
  • Thursday Night North winds 20 to 25 knots. Waves 3 to 4 feet dominant period 2 seconds.
  • Friday Northeast winds 15 to 20 knots. Waves 3 to 4 feet dominant period 2 seconds subsiding to 2 to 3 feet dominant period 2 seconds in the afternoon. Slight chance of light rain.
  • Friday Night Northeast winds 10 to 15 knots. Waves 1 to 2 feet dominant period 1 second.
  • Saturday North winds near 10 knots. Waves 1 to 2 feet. Chance of rain.
  • Saturday Night North winds 5 to 10 knots. Waves 1 foot. Chance of rain.
  • Sunday Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Chance of rain.
  • Sunday Night Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Slight chance of light rain.



Additional Forecasts and Information

Zone Area Forecast for Lake Pontchartrain and Lake Maurepas
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