Special Marine Warning for Grand Portage to Grand Marais MN
Official alert fields
What you need to know
- Applies to
- Grand Portage to Grand Marais MN
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWDLH The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Grand Portage to Grand Marais MN... * Until 515 PM CDT. * At 415 PM CDT, a severe thunderstorm was located 22 nm northwest of Grand Portage Marina, or 26 nm north of Horseshoe Bay And Safe Harbor, moving southeast at 25...
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
SMWDLH The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Grand Portage to Grand Marais MN... * Until 515 PM CDT. * At 415 PM CDT, a severe thunderstorm was located 22 nm northwest of Grand Portage Marina, or 26 nm north of Horseshoe Bay And Safe Harbor, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater 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. * Locations impacted include... Pigeon Point and Grand Portage Marina.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 26 at 4:16PM CDT until July 26 at 5:15PM CDT by NWS Duluth MN
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Duluth MN. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected