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Special Marine Warning

◍ Terrebonne Bay · USA · updated 9/1/2026, 4:04:00 AM
⏱ In effect until 1:00 AM UTC-5
Severity score
65/100
Confidence
High
Why this matters

SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm... Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM... Terrebonne Bay... * Until 100 AM CDT. * At 1104 PM CDT, a cluster of severe thunderstorms capable of producing waterspouts was

Key stats
Severity
Severe
Certainty
Likely
Urgency
Immediate
Timeline
  1. Special Marine Warning
    9/1/2026, 4:04:00 AM
    Special Marine Warning issued August 31 at 11:04PM CDT until September 1 at 1:00AM CDT by NWS New Orleans LA
Sources & attribution
OfficialNWS NWS New Orleans LAupdated 9/1/2026, 4:04:00 AM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.