Heavy Freezing Spray and Storm Warnings Issued for Lake Superior Near Marquette
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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NWS Marquette has issued a Heavy Freezing Spray Warning and Storm Warning for Lake Superior, with 50-knot gusts and rapid ice accumulation expected through Saturday.
Read this weather record in 30 seconds
- Record type
- Heavy Freezing Spray Warning
- Affected area
- Lake Superior (Marquette Region)
- Issued
- April 6, 2026
- Issuing authority
- NWS Marquette
The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Lake Superior (Marquette Region).
Alert Details
The National Weather Service in Marquette, MI, has issued a Heavy Freezing Spray Warning and a Storm Warning for specific maritime regions of Lake Superior. These alerts indicate severe conditions that pose a significant threat to vessel stability and safety due to extreme wind and rapid ice accretion.
Affected Areas
The warning affects the following geographic regions:
- Huron Islands to Marquette, MI
- Lake Superior West of a line from Manitou Island to Marquette, MI, beyond 5 nautical miles from the shore.
What You Should Do
Mariners are strongly advised to remain in port, alter course, or secure their vessels for severe conditions. Those in the warning area should prepare for dangerous accumulation of ice. If possible, avoid the warning area entirely or conduct immediate mitigation to manage ice buildup on decks and superstructures.
Expected Conditions
- Winds: West winds of 30 to 40 knots are expected, with gusts reaching up to 50 knots.
- Waves: Wave heights are forecast between 3 to 6 feet.
- Freezing Spray: Heavy freezing spray is expected at a rate of 2 cm per hour or greater.
- Hazards: Rapid ice accumulation may render mechanical and electronic components inoperative and could lead to a catastrophic loss of vessel stability. Storm-force winds and hazardous waves may capsize or damage vessels and significantly reduce visibility.
Timeline
- Storm Warning: Effective from 1:00 PM Friday to 10:00 AM EST Saturday.
- Heavy Freezing Spray Warning: Effective from 10:00 PM Friday to 4:00 PM EST Saturday.
Original source: NOAA Official Notice ↗
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