Special Marine Warning for Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI +2 more
Official alert fields
What you need to know
- Applies to
- Duluth MN to Port Wing WI, Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Port Wing to Sand Island WI, Silver Bay Harbor to Two Harbors MN, Two Harbors to Duluth 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... Duluth MN to Port Wing WI... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Port Wing to Sand Island WI... Silver Bay Harbor to Two Harbors MN... Two Harbors to Duluth MN... * Until 245...
What the bulletin says to do
Boaters should seek safe harbor immediately until this storm passes. Wind gusts to 40 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm.
Full official description
Bulletin details
SMWDLH The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Duluth MN to Port Wing WI... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Port Wing to Sand Island WI... Silver Bay Harbor to Two Harbors MN... Two Harbors to Duluth MN... * Until 245 AM CDT. * At 112 AM CDT, a severe thunderstorm was located 15 nm northwest of French River, or 19 nm north of Duluth Lift Bridge Channel, moving southeast at 20 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. * Locations impacted include... Two Harbors Protected Access Agate Bay, Knife River Marina, Brule Point, McQuade Harbor, Herbster, Bark Bay, Larsmont, Port Wing Harbor, Stoney Point, Bark Point, French River, and Siskwit Bay.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 27 at 1:13AM CDT until July 27 at 2:45AM 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