Special Marine Warning for Grand Marais to Whitefish Point MI; Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border
Official alert fields
What you need to know
- Applies to
- Grand Marais to Whitefish Point MI, Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWMQT The National Weather Service in Marquette has issued a * Special Marine Warning for... Grand Marais to Whitefish Point MI... Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border... * Until 845 PM EDT. * At 816 PM EDT, a strong thunderstorm was located 8 nm...
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
SMWMQT The National Weather Service in Marquette has issued a * Special Marine Warning for... Grand Marais to Whitefish Point MI... Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border... * Until 845 PM EDT. * At 816 PM EDT, a strong thunderstorm was located 8 nm northwest of Whitefish Point, moving east at 40 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 20 at 8:16PM EDT until July 20 at 8:45PM EDT by NWS Marquette MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Marquette 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