NWS coastal zone LMZ847

Grand Haven to Whitehall MI weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource freshLast successful check: Aug 2, 2026, 12:48 AM UTC

Current answer

1 active alert

Open official zone data

Active Official severity: Minor

Small Craft Advisory for South Haven to Holland MI; Holland to Grand Haven MI; Grand Haven to Whitehall MI +2 more

Grand Haven to Whitehall MI, Holland to Grand Haven MI, Pentwater to Manistee MI and 2 more

Until Aug 3, 2026, 6:00 AM UTC

Official zone ID: LMZ847
Zone type: coastal
State: Marine or multi-state area
Metadata verified: Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Severe

Special Marine Warning for Grand Haven to Whitehall MI; Whitehall to Pentwater MI; Pentwater to Manistee MI +2 more

Grand Haven to Whitehall MI, Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake, Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake and 2 more

Ended Jul 27, 2026, 6:00 PM UTC

Ended Official severity: Severe

Special Marine Warning for St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI +5 more

Grand Haven to Whitehall MI, Holland to Grand Haven MI, Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake and 5 more

Ended Jul 27, 2026, 7:00 PM UTC

Ended Official severity: Severe

Special Marine Warning for Holland to Grand Haven MI; Grand Haven to Whitehall MI; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake +1 more

Grand Haven to Whitehall MI, Holland to Grand Haven MI, Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake and 1 more

Ended Jul 27, 2026, 4:02 PM UTC

Ended Official severity: Severe

Special Marine Warning for Grand Haven to Whitehall MI; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake

Grand Haven to Whitehall MI, Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake, Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake

Ended Jul 27, 2026, 3:45 PM UTC

Ended Official severity: Minor

Small Craft Advisory for St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI +2 more

Grand Haven to Whitehall MI, Holland to Grand Haven MI, South Haven to Holland MI and 2 more

Ended Jul 29, 2026, 6:00 AM UTC

Ended Official severity: Minor

Dense Fog Advisory for Holland to Grand Haven MI; Grand Haven to Whitehall MI; Whitehall to Pentwater MI +1 more

Grand Haven to Whitehall MI, Holland to Grand Haven MI, Pentwater to Manistee MI and 1 more

Ended Jul 27, 2026, 6:00 AM UTC

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