



Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.
A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >
NWS Forecast for: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ550) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1258 PM CDT Sat Jul 12 2025 | ![]() |
Today: South winds 5 to 10 knots, becoming southeast this afternoon. Seas 1 foot or less. Wave detail: south 1 foot at 4 seconds. A slight chance of showers and thunderstorms. Tonight: South winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: south 2 feet at 4 seconds. A slight chance of showers and thunderstorms. Sunday: South winds around 5 knots. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave detail: south 1 foot at 4 seconds. Thunderstorms likely with a chance of showers. Sunday Night: South winds around 5 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave detail: southeast 1 foot at 5 seconds, becoming south 1 foot at 4 seconds. A chance of showers and thunderstorms after midnight. Monday: Southwest winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. Monday Night: West winds around 5 knots. Seas 1 foot or less. Wave detail: south 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight. Tuesday: Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: west 1 foot at 4 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. Tuesday Night: Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 5 seconds. A chance of showers and thunderstorms after midnight. Wednesday: North winds 5 to 10 knots. Seas 1 foot or less. Wave detail: northwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. Wednesday Night: Northeast winds around 5 knots. Seas 1 foot or less. Wave detail: southwest 1 foot at 5 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. winds and seas higher in and near thunderstorms. | |
Zone Forecast: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ550) | |
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