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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Hazardous Weather Conditions

Last Update: 1006 PM CST SAT NOV 22 2014

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Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM

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 10 PERCENT OF THE WAVES

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY...

  • SynopsisSTRONG TO SEVERE THUNDERSTORM WILL AFFECT THE LOWER TEXAS BAY AND GULF WATERS THROUGH 12 AM. THIS ACTIVITY IS PRODUCING STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND HEAVY DOWNPOURS. AS THE STORM SYSTEM PASSES TO THE EAST TONIGHT THE WINDS WILL TURN WESTERLY AND DIMINISH RAPIDLY WITH MUCH IMPROVED MARINE CONDITIONS ON SUNDAY. A COLD FRONT FOLLOWS ON MONDAY WITH MODERATE NORTH FLOW DEVELOPING THROUGH TUESDAY. HIGH PRESSURE WILL MOVE EAST DURING THE MIDDLE PORTIONS OF THE WEEK WITH WINDS RETURNING TO THE SOUTH.
  • Rest Of Tonight Southwest winds 13 to 18 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Showers and thunderstorms likely late in the evening...then chance of showers and thunderstorms after midnight.
  • Sunday West winds 9 to 14 knots diminishing to 7 to 11 knots late in the morning...then shifting southwest 7 to 8 knots in the afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
  • Sunday Night South winds 7 to 12 knots becoming west 10 to 15 knots early in the morning. Seas 2 to 4 feet with occasional seas up to 5 feet.
  • Monday North winds 12 to 17 knots increasing to 13 to 18 knots in the late morning and afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet building to 4 to 6 feet with occasional seas up to 8 feet in the afternoon.
  • Monday Night North winds 12 to 17 knots diminishing to 11 to 14 knots after midnight. Seas 3 to 5 feet with occasional seas up to 6 feet.
  • Tuesday North winds 10 to 15 knots increasing to 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
  • Tuesday Night North winds 14 to 19 knots diminishing to 7 to 11 knots. Seas 5 to 7 feet with occasional seas up to 9 feet subsiding to 3 to 5 feet with occasional seas up to 6 feet early in the morning.
  • Wednesday South winds 7 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet.
  • Thursday Southeast winds 7 to 11 knots. Seas 2 to 4 feet with occasional seas up to 5 feet.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM
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