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Gale Warning — Munising to Grand Marais MI, LS
Issued
7:00 AM CDT · Tue, Jul 21 2026
Expires
7:00 PM CDT · Tue, Jul 21 2026
Issuing Office
NWS KMQT

Affected Areas

Munising to Grand Marais MI, LS

Official Bulletin

* WHAT...For the Small Craft Advisory, west winds 10 to 15 kt
with gusts up to 25 kt and waves 1 to 3 ft occurring. For the
Gale Warning, northwest winds 15 to 25 kt with gusts up to 35
kt and waves 4 to 7 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI,
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays and Huron Islands to Marquette MI.

* WHEN...For the Small Craft Advisory, until 8 AM EDT this
morning. For the Gale Warning, from 8 AM this morning to 8 PM
EDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.