| NWS Forecast for: Barataria Bay (GMZ543) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1237 PM CDT Tue Jul 21 2026 | |
This Afternoon: Northwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. Tonight: Northwest winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 1 foot or less. A chance of showers and thunderstorms, mainly in the evening. Wednesday: Tropical storm conditions expected. Northwest winds 10 to 15 knots with gusts up to 20 knots, becoming north 30 to 35 knots with gusts up to 50 knots in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms early in the morning, then a chance of showers and thunderstorms in the late morning and early afternoon. Showers and thunderstorms likely late. Wednesday Night: Tropical storm conditions expected. North winds 30 to 35 knots, becoming south 25 to 30 knots after midnight. Seas 1 foot or less. Thunderstorms likely in the evening. Showers likely. A chance of thunderstorms after midnight. Thursday: Tropical storm conditions possible. South winds 25 to 30 knots with gusts up to 40 knots, diminishing to 15 to 20 knots with gusts up to 25 knots in the afternoon. Seas 1 foot or less. Wave detail: south 1 foot at 2 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. Thursday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the evening. Friday: Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms until late afternoon. Friday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Saturday: Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms until late afternoon. Saturday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Barataria Bay (GMZ543) | |
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