Special Marine Warning Issued for Lake Superior and Chequamegon Bay
This alert is no longer in effect.
NOAA issued it on May 28, 2026, 2 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).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Duluth MN has issued a Special Marine Warning for Chequamegon Bay and portions of Lake Superior until 2:45 AM CDT due to strong thunderstorms producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Superior and Chequamegon Bay, WI
- Issued
- May 28, 2026
- Issuing authority
- NWS Duluth MN
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Lake Superior and Chequamegon Bay, WI.
Alert Details
Special Marine Warning issued by NWS Duluth MN. Effective from 1:46 AM CDT to 2:45 AM CDT on May 18, 2026.
Affected Areas
Chequamegon Bay-Bayfield to Oak Point WI; Port Wing to Sand Island WI; Sand Island to Bayfield WI; Oak Point to Saxon Harbor WI; Outer Apostle Islands Beyond 5 NM from Mainland; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected.
Expected Conditions
Strong thunderstorms located along a line extending from Siskwit Bay to 6 nm west of La Pointe to Oak Point, moving northeast at 25 knots. Hazard includes wind gusts 34 knots or greater. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert effective May 18, 2026 from 1:46 AM CDT until 2:45 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (870 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 28, 2026.
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