Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest
Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >
| NWS Forecast for: Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM (GMZ255) Issued by: National Weather Service Corpus Christi, TX Last Update: 252 AM CDT Wed Jun 17 2026 | |
Today: Northwest winds around 20 knots with gusts up to 30 knots, becoming west 10 to 15 knots with gusts up to 30 knots early this afternoon, then becoming southwest late. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms this morning, then a slight chance of showers and thunderstorms early this afternoon. Tonight: South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. Thursday: South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. Thursday Night: Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. Friday: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 7 seconds. Friday Night: Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. Saturday: Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Saturday Night: Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Sunday: South winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Sunday Night: South winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM (GMZ255) | |
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