Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains
Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >
| NWS Forecast for: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1230 AM CDT Thu Sep 18 2025 | |
| Rest Of Tonight: East winds around 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds. Thursday: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. A slight chance of showers and thunderstorms. Thursday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms. Friday: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Friday Night: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds. A slight chance of showers. Saturday: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms. Saturday Night: East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers in the evening. Sunday: East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms. Sunday Night: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Monday: East winds around 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A chance of showers and thunderstorms. Monday Night: Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms after midnight. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM (GMZ572) | |
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