Coastal Waters Forecast for Breton Sound (GMZ538) (Text-Only)
NWS Forecast for: Breton Sound (GMZ538)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 352 AM CST Sat Jan 10 2026
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Today: Southwest winds around 10 knots, becoming northwest late. Waves around 2 feet. Areas of dense fog this morning. Showers likely with a chance of thunderstorms until late afternoon, then a chance of showers with a slight chance of thunderstorms late. Visibility 1 nm or less this morning.

Tonight: North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Waves 3 to 4 feet, building to 5 feet after midnight.

Sunday: North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 4 to 5 feet.

Sunday Night: Northeast winds 15 to 20 knots with gusts up to 25 knots. Waves 4 to 5 feet.

Monday: Northeast winds 10 to 15 knots. Waves 3 to 4 feet, subsiding to 2 feet in the afternoon.

Monday Night: Northeast winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less.

Tuesday: Northeast winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Waves 1 foot or less.

Tuesday Night: West winds around 5 knots, increasing to 5 to 10 knots after midnight. Waves 1 foot or less, then around 2 feet after midnight. A slight chance of showers after midnight.

Wednesday: West winds around 10 knots. Waves around 2 feet. A chance of showers, mainly in the morning.

Wednesday Night: West winds 10 to 15 knots, becoming northwest 15 to 20 knots after midnight. Waves 2 to 4 feet. A slight chance of showers in the evening.

winds and waves higher in and near thunderstorms.







Zone Forecast: Breton Sound (GMZ538)

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