Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect.
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Hazardous Weather Conditions

Last Update: 109 PM CDT Tue Apr 13 2021

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Corpus Christi, TX Local Forecast Office

40NM SE Port Aransas TX

Marine Zone Forecast


Synopsis: Areas of fog will linger early this afternoon before dissipating. A weak easterly flow will continue today and tonight. Areas of fog will be possible over the bays, waterways, and adjacent coastal waters again tonight into Wednesday morning ahead of an approaching frontal boundary. The frontal boundary will move into the coastal waters late Wednesday night with a weak to moderate northeast flow developing on Thursday. The flow will become easterly Thursday night with a weak to moderate onshore flow through Friday. A stronger cold front is expected to move into the Gulf waters early Saturday morning with a moderate to strong offshore flow occurring Saturday and Saturday night. Isolated showers and thunderstorms will be possible Wednesday and Thursday, becoming scattered Friday and Saturday.

Rest Of Today
East wind around 10 knots. Seas 3 feet.
Tonight
East wind around 10 knots shifting southeast after midnight. Seas 3 to 4 feet with occasional seas up to 5 feet. Patchy fog after midnight.
Wednesday
Southeast wind 10 to 15 knots decreasing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet with occasional seas up to 5 feet. Patchy fog in the morning.
Wednesday Night
East wind around 10 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A slight chance of showers and thunderstorms after midnight.
Thursday
Northeast wind 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A slight chance of showers and thunderstorms in the morning.
Thursday Night
East wind 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Friday
East wind 10 to 15 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. A slight chance of showers and thunderstorms.
Friday Night
East wind 10 to 15 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. A slight chance of showers and thunderstorms.
Saturday
North wind 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of showers and a slight chance of thunderstorms.
Saturday Night
Northeast wind around 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. A chance of showers and a slight chance of thunderstorms.
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ABOUT THIS FORECAST

Last Update: 109 PM CDT Tue Apr 13 2021
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