NWS coastal zone LHZ346

St Ignace to False Detour Channel weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource unavailableThe current alert state is unknown. Last successful check: Sep 7, 2026, 3:00 AM UTC.

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Current status unknown

NWS updates are unavailable, so this service cannot confirm whether St Ignace to False Detour Channel has no active alerts.

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Official zone ID: LHZ346
Zone type: coastal
State: Marine or multi-state area
Metadata verified: Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Minor

Dense Fog Advisory for Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI; St. Marys River Point Iroquois to E. Potagannissing Bay

5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island, Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay, Seul Choix Point to 5NM West of Mackinac Bridge and 4 more

Ended Sep 1, 2026, 6:00 PM UTC

Ended Official severity: Minor

Small Craft Advisory for St Ignace to False Detour Channel

Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI, Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay, Seul Choix Point to 5NM West of Mackinac Bridge and 6 more

Ended Aug 25, 2026, 12:00 AM UTC

Ended Official severity: Minor

Small Craft Advisory for St Ignace to False Detour Channel; 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island; Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary

5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island, Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI, Manistee to Point Betsie MI and 6 more

Ended Aug 22, 2026, 12:00 AM UTC

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