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Severe Thunderstorms, Excessive Rain and Heat Hazards

A Moderate Risk of severe thunderstorms (level 4 of 5) is in the outlook across portions of the Midwest today. Damaging winds, a few tornadoes and frequent lightning with heavy rainfall are in the forecast. Meanwhile, dangerous heat across the southern Plains into the Great Lakes, mid-Atlantic and Northeast will expand into Friday. Risk for wildfires for the central Rockies and Sacramento Valley. Read More >

Coastal Waters Forecast for Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ551) (Text-Only)
NWS Forecast for: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ551)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 537 PM CDT Thu Jun 11 2026		Print

Tonight: Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.

Friday: South winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 6 seconds.

Friday Night: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 6 seconds.

Saturday: South winds 5 to 10 knots. Seas around 2 feet. Wave detail: south 2 feet at 9 seconds.

Saturday Night: South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 9 seconds.

Sunday: South winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 9 seconds. A slight chance of showers and thunderstorms in the afternoon.

Sunday Night: South winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 7 seconds. A slight chance of showers and thunderstorms.

Monday: South winds around 10 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 6 seconds. A chance of showers and thunderstorms.

Monday Night: South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: south 4 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

Tuesday: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 6 seconds. A chance of thunderstorms. A chance of showers.

Tuesday Night: South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of thunderstorms. A chance of showers.

winds and seas higher in and near thunderstorms.






Zone Forecast: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm (GMZ551)

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