Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Coastal Waters Forecast for Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM (GMZ577) (Text-Only)
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: 1042 PM CDT Tue Jun 16 2026
Print




Overnight: Southwest winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 6 seconds. A slight chance of showers and thunderstorms late this evening. A chance of showers and thunderstorms.

Wednesday: South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

Wednesday Night: South winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: south 7 feet at 7 seconds. A chance of showers and thunderstorms, mainly in the evening.

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 around 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 and thunderstorms in the evening.

Friday: Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: south 6 feet at 7 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.

Friday Night: Southwest winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: south 5 feet at 7 seconds. A slight chance of showers and thunderstorms.

Saturday: Southwest winds 5 to 10 knots. Seas around 3 feet. Wave detail: south 3 feet at 7 seconds. A chance of showers and thunderstorms, mainly in the morning.

Saturday Night: Southwest winds 5 to 10 knots. Seas around 3 feet. Wave detail: south 3 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight.

Sunday: Southwest winds around 10 knots. Seas 2 to 3 feet. Wave detail: southwest 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning.

Sunday Night: South winds 10 to 15 knots. Seas 2 to 3 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)

Visit your local NWS office at: https://www.weather.gov/lix