Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest
An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >
| NWS Forecast for: Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM (GMZ577) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1027 PM CDT Wed Jun 17 2026 |  |
Overnight: South winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: south 7 feet at 7 seconds. A slight chance of thunderstorms. A slight chance of showers late this evening, then a chance of showers. Thursday: South winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave detail: south 8 feet at 7 seconds. A chance of showers and thunderstorms. Thursday Night: South winds 15 to 20 knots with gusts up to 25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave detail: south 7 feet at 8 seconds. A slight chance of showers in the evening. Friday: Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: south 6 feet at 7 seconds. A slight chance of showers. Friday Night: Southwest winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 7 seconds. A slight chance of showers in the evening. Saturday: Southwest winds 5 to 10 knots. Seas around 3 feet. Wave detail: southwest 3 feet at 7 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. Saturday Night: Southwest winds 5 to 10 knots. Seas around 3 feet. Wave detail: southwest 3 feet at 7 seconds. Sunday: Southwest winds around 10 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 6 seconds. Sunday Night: South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 5 seconds. Monday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 5 seconds. Monday Night: Southwest winds around 10 knots. Seas around 2 feet. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM (GMZ577) | |
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