NWS coastal zone GMZ535

Breton Sound weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource freshLast successful check: Nov 3, 2026, 3:26 AM UTC

Current answer

1 active alert

Open official zone data

Active Official severity: Minor

Small Craft Advisory for Mississippi Sound; Lake Borgne; Breton Sound +9 more

Breton Sound, Chandeleur Sound, Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm and 9 more

Until Nov 3, 2026, 6:00 AM UTC

Official zone ID: GMZ535
Zone type: coastal
State: Marine or multi-state area
Metadata verified: Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Extreme

Hurricane Warning for Mississippi Sound; Breton Sound; Chandeleur Sound +4 more

Breton Sound, Chandeleur Sound, Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm and 4 more

Ended Oct 10, 2026, 3:11 AM UTC

Ended Official severity: Moderate

Gale Watch for Lake Maurepas; Lake Pontchartrain; Mississippi Sound +14 more

Barataria Bay, Breton Sound, Chandeleur Sound and 14 more

Ended Oct 16, 2026, 5:24 AM UTC

Ended Official severity: Minor

Small Craft Advisory for Mississippi Sound; Breton Sound; Chandeleur Sound +4 more

Barataria Bay, Breton Sound, Chandeleur Sound and 14 more

Ended Oct 10, 2026, 3:00 PM UTC

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This page uses official NWS zone membership. For exact location matching, an alert must include official geometry or be linked to a verified zone geometry that contains the point.

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