Special Marine Warning for Pentwater to Manistee MI; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake
Official alert fields
What you need to know
- Applies to
- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake, Pentwater to Manistee 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 and Open Waters from Pentwater to Manistee MI... * Until 830 AM EDT. * At 655 AM EDT, strong thunderstorms were located along a line extending from 20 nm west of Point Betsie to 13 nm south of Rawley Point...
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 and Open Waters from Pentwater to Manistee MI... * Until 830 AM EDT. * At 655 AM EDT, strong thunderstorms were located along a line extending from 20 nm west of Point Betsie to 13 nm south of Rawley Point Light, moving east at 60 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued September 2 at 6:55AM EDT until September 2 at 8:30AM 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