Special Marine Warning for Holland to Grand Haven MI; Grand Haven to Whitehall MI; Whitehall to Pentwater MI +5 more
Official alert fields
What you need to know
- Applies to
- Grand Haven to Whitehall MI, Holland to Grand Haven MI, Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake, Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake, Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake, Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake, Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake, Whitehall to Pentwater MI
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWGRR The National Weather Service in Grand Rapids has issued a * Special Marine Warning for... Nearshore Waters from Holland to Pentwater MI... Open Waters from South Haven to Manistee MI... * Until 645 AM EDT. * At 439 AM EDT, strong thunderstorms were located along a line extending from 13 nm east of Sheboygan...
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
SMWGRR The National Weather Service in Grand Rapids has issued a * Special Marine Warning for... Nearshore Waters from Holland to Pentwater MI... Open Waters from South Haven to Manistee MI... * Until 645 AM EDT. * At 439 AM EDT, strong thunderstorms were located along a line extending from 13 nm east of Sheboygan to 31 nm west of White Lake Pier Heads to near Port Washington, moving east at 30 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... White Lake Pier Heads, Holland Light, Little Sable Point Light, Port Sheldon Harbor, Grand Haven Light, Muskegon Light, and The White Lake Pierheads.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued September 4 at 4:39AM EDT until September 4 at 6:45AM EDT by NWS Grand Rapids MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Grand Rapids MI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected