Coastal Waters Forecast for Breton Sound (GMZ535) (Text-Only)
NWS Forecast for: Breton Sound (GMZ535)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 702 PM CDT Wed Jul 22 2026




Tonight: Tropical storm conditions expected. South winds 35 to 40 knots with gusts up to 50 knots, diminishing to 25 to 30 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Showers and thunderstorms likely this evening, then a chance of showers with a slight chance of thunderstorms after midnight.

Thursday: Tropical storm conditions possible. South winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late.

Thursday Night: South winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. A slight chance of showers after midnight.

Friday: South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon.

Friday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less.

Saturday: West winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less.

Saturday Night: Southwest winds 5 to 10 knots. Seas around 2 feet.

Sunday: West winds 5 to 10 knots. Seas 1 to 2 feet.

Sunday Night: West winds 10 to 15 knots. Seas 2 to 3 feet.

Monday: West winds 10 to 15 knots. Seas 2 to 3 feet.

Monday Night: West winds 10 to 15 knots. Seas 2 to 3 feet.

winds and seas higher in and near thunderstorms.







Zone Forecast: Breton Sound (GMZ535)

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