Special Marine Warning in Effect for Silver Bay Harbor to Two Harbors MN (LS): NWS Advisory
Official advisory issued by the National Weather Service (NOAA): 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.
Official alerts issued by the National Weather Service (NOAA) confirm active weather hazards affecting Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. Residents and travelers in the designated zone should heed safety warnings and monitor local radar.
“Official alerts issued by the National Weather Service (NOAA) confirm active weather hazards affecting Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. Residents and travelers in the designated zone should heed safety warnings and monitor local radar.”
Key Verified Points
- •Event: Special Marine Warning
- •Severity: Severe | Urgency: Immediate | Certainty: Likely
- •Affected Areas: Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM
- •Effective: 2026-10-28T17:21:00-05:00
- •Expires: 2026-10-28T18:15:00-05:00
- •Recommended Action: Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
Executive Briefing
Official advisory issued by the National Weather Service (NOAA): 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.
What Happened & Key Findings
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 615 PM CDT. * At 520 PM CDT, a severe thunderstorm capable of producing waterspouts was
Verified Data Points & Key Takeaways
Geographic Scope & Affected Communities
Recommended Action & Next Steps
Source & Verification Provenance
Information in this article was compiled directly from records provided by National Weather Service (NOAA). Access the primary source document at: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b9d2135e91a82ac225b008ef775abb816a6f9e99.001.1. Reporting and editorial review conducted by the USA NOW News Desk.
Event Timeline & Developments
Frequently Asked Questions
What areas are included in this weather advisory?
The primary region affected is Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM (Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM), according to the National Weather Service.
What is the severity of this storm warning?
The National Weather Service (NOAA) has classified this event with a severity rating of SEVERE and an urgency status of IMMEDIATE.
Where can residents verify real-time radar and safety directives?
Direct bulletins and radar updates are available via local emergency management agencies and the official source at https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b9d2135e91a82ac225b008ef775abb816a6f9e99.001.1.
Official Government & Primary Citations
- National Weather Service (NOAA) — https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b9d2135e91a82ac225b008ef775abb816a6f9e99.001.1
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