Severe Storms and Heavy Rain in Texas; Record Heat Along the East Coast

Scattered severe storms with large hail, isolated severe gusts, and localized flooding are expected across parts of west Texas. Isolated flash flooding is also possible in the central Gulf coast. An early season heat wave will continue to impact the eastern U.S. today, before isolated severe storms move across the central Appalachians into the Mid-Atlantic and far southern New England. Read More >

Last Update: 748 AM CDT Wed May 20 2026

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Corpus Christi, TX Local Forecast Office

18NM S Port Aransas TX

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

Today
East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. A chance of showers and thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning.
Tonight
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms after midnight.
Thursday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.
Thursday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight.
Friday
South winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 7 seconds. A chance of showers and thunderstorms.
Friday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. A chance of showers and thunderstorms.
Saturday
Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of thunderstorms. Showers likely.
Saturday Night
Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.
Sunday
South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon.
Sunday Night
Southeast winds 5 to 10 knots. Seas around 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

winds and seas higher in and near thunderstorms.



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748 AM CDT Wed May 20 2026
 
 

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