Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Coastal Waters Forecast for Waters from Baffin Bay to Port Aransas from 20 to 60 NM (GMZ270) (Text-Only)
NWS Forecast for: Waters from Baffin Bay to Port Aransas from 20 to 60 NM (GMZ270)
Issued by: National Weather Service Corpus Christi, TX
Last Update: 138 AM CDT Wed May 20 2026


Today: Southeast winds 10 to 15 knots with gusts up to 20 knots, becoming east late this morning and afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. A chance of showers and thunderstorms 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.

Thursday: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 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 slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

Friday: South 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.

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 after midnight.

Saturday: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of thunderstorms. Showers likely.

Saturday Night: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight.

Sunday: South winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. 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 3 to 4 feet, occasionally to 5 feet. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight.







Zone Forecast: Waters from Baffin Bay to Port Aransas from 20 to 60 NM (GMZ270)

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