Special Marine Warning for Whitehall to Pentwater MI; Pentwater to Manistee MI; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake +1 more
Official alert fields
What you need to know
- Applies to
- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake, Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake, Pentwater to Manistee MI, 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 and Open Waters from Whitehall to Manistee MI... * Until 745 PM EDT. * At 641 PM EDT, strong thunderstorms were located along a line extending from 15 nm west of Pentwater Pier Heads to 13 nm southwest of...
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
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 Whitehall to Manistee MI... * Until 745 PM EDT. * At 641 PM EDT, strong thunderstorms were located along a line extending from 15 nm west of Pentwater Pier Heads to 13 nm southwest of Little Sable Point Light, moving east at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Little Sable Point Light and Pentwater Pier Heads.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 18 at 6:41PM EDT until August 18 at 7:45PM 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