Heavy rain from the central Gulf Coast to Southeast U.S. this weekend

Heavy rain is expected from eastern Texas across the Lower Miss. Valley to the Southeast U.S. this weekend. This rain could lead to flash flooding. Meanwhile, heavy rain will also spread into the Northwest U.S., with heavy snow in the higher elevations of the Cascades and northern Rockies.
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Hazardous Weather Conditions

Last Update: 312 AM CST SUN DEC 4 2016

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19NM SE Grand Isle LA

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 EXERCISE CAUTION IN EFFECT UNTIL 9 AM CST THIS MORNING...
Synopsis: LOW PRESSURE IS DEVELOPING OVER MEXICO AND SOUTHERN TEXAS. THIS LOW PRESSURE SYSTEM WILL SLOWLY LIFT NORTHEAST OVER THE WESTERN GULF INTO THE LOWER MISSISSIPPI VALLEY MONDAY AND MONDAY NIGHT. THE ASSOCIATED COLD FRONT WILL ALSO PUSH THROUGH THE CENTRAL GULF COAST REGION ON MONDAY AND MONDAY NIGHT. A SECOND AND STRONGER COLD FRONT WILL MOVE THROUGH THURSDAY MORNING.

Today
South winds 15 to 20 knots becoming southwest near 10 knots late. Seas 3 to 6 feet. Dominant period 6 seconds. Showers likely and slight chance of thunderstorms.
Tonight
East winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 7 seconds. Chance of showers and slight chance of thunderstorms.
Monday
South winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 7 seconds. Showers and thunderstorms.
Monday Night
West winds 20 to 25 knots. Seas 3 to 5 feet. Dominant period 5 seconds. Waves or seas building to 4 to 7 feet with occasional seas to 8 feet. Dominant period 5 seconds after midnight. Showers and thunderstorms likely in the evening...then slight chance of showers after midnight.
Tuesday
West winds 20 to 25 knots easing to 10 to 15 knots late in the afternoon. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 6 seconds.
Tuesday Night
Northwest winds 10 to 15 knots easing to near 5 knots after midnight...then becoming northeast after midnight. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 7 seconds.
Wednesday
East winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 7 seconds.
Wednesday Night
Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Chance of showers after midnight.
Thursday
North winds 20 to 25 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Chance of showers.
Thursday Night
North winds 25 to 30 knots. Seas 3 to 6 feet.
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ABOUT THIS FORECAST

Last Update: 312 AM CST SUN DEC 4 2016
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