Special Marine Warning for Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake
Official alert fields
What you need to know
- Applies to
- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake, Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake
- 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... Open Waters from St Joseph to Holland MI... * Until 800 AM EDT. * At 703 AM EDT, a severe thunderstorm was located 31 nm northwest of St. Joseph Light, moving south at 45 knots. HAZARD...Wind gusts to 40 knots and large...
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... Open Waters from St Joseph to Holland MI... * Until 800 AM EDT. * At 703 AM EDT, a severe thunderstorm was located 31 nm northwest of St. Joseph Light, moving south at 45 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * The severe thunderstorm will remain over mainly open waters.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 27 at 7:04AM EDT until July 27 at 8:00AM 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