Storm Warning Issued for Lake Superior: Grand Marais to Whitefish Point
The National Weather Service has issued a Storm Warning for Lake Superior waters, with wind gusts up to 60 knots and waves reaching 21 feet expected through early Tuesday.
Alert Details
The National Weather Service in Marquette, MI, has issued a Storm Warning for portions of Lake Superior. This alert follows a Gale Warning and indicates a significant escalation in hazardous maritime conditions.
Affected Areas
The warning covers the following regions:
- Grand Marais to Whitefish Point, MI
- Lake Superior from Grand Marais to Whitefish Point, extending 5 nautical miles offshore to the US/Canadian border.
What You Should Do
Mariners are advised to take immediate precautions. The NWS recommends that mariners remain in port, alter course to avoid the storm, or secure vessels for severe conditions. Storm-force winds and hazardous waves are capable of capsizing or damaging vessels and significantly reducing visibility.
Expected Conditions
Conditions are expected to deteriorate in two phases:
- Gale Warning Phase: East winds of 30 to 40 knots with gusts up to 50 knots. Wave heights are expected between 7 and 12 feet.
- Storm Warning Phase: North winds of 35 to 45 knots with gusts increasing up to 60 knots. Wave heights are expected to reach 16 to 21 feet.
Timeline
- Gale Warning: Effective from 11:00 AM to 8:00 PM EDT on Sunday, March 15.
- Storm Warning: Effective from 8:00 PM EDT Sunday, March 15, until 2:00 AM EDT on Tuesday, March 17.
Source: NOAA Official Notice
Related Articles
Severe Thunderstorm Warning Issued for Central Virginia and North Central North Carolina
NOAA · April 6, 2026
Severe Thunderstorm Warning Issued for Chester and York Counties in South Carolina
NOAA · April 6, 2026
Severe Thunderstorm Warning Issued for Central South Carolina Through 9:45 AM
NOAA · April 6, 2026