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Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Coastal Waters Forecast for Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM (GMZ275) (Text-Only)
NWS Forecast for: Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM (GMZ275)
Issued by: National Weather Service Corpus Christi, TX
Last Update: 1223 PM CDT Sat Jun 21 2025

Tonight: Southeast winds around 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 7 seconds.

Sunday: Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds.

Sunday Night: Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight.

Monday: Southeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds. A slight chance of showers and thunderstorms.

Monday Night: Southeast winds around 10 knots. Seas around 3 feet. Wave detail: east 3 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight.

Tuesday: East winds 5 to 10 knots. Seas around 3 feet. Wave detail: east 3 feet at 6 seconds. A chance of thunderstorms in the morning. A chance of showers.

Tuesday Night: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers after midnight.

Wednesday: Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon.

Wednesday Night: Southeast winds around 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers after midnight.

Thursday: Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers.

Thursday Night: Southeast winds around 10 knots. Seas around 3 feet. A chance of showers and thunderstorms after midnight.

winds and seas higher in and near thunderstorms.






Zone Forecast: Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM (GMZ275)

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