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Small Craft Advisory — Black River To Ontonagon MI, LS
Issued
Expires
7:00 PM CDT · Sun, Sep 13 2026
Issuing Office
NWS KMQT

Affected Areas

Black River To Ontonagon MI, LS

Official Bulletin

* WHAT...For the Small Craft Advisory, west to northwest winds 15
to 25 kt with a few gale force gusts up to 35 kt and waves 2 to
5 ft occurring. For the Gale Watch, south winds 20 to 30 kt with
gusts up to 40 kt becoming west winds 20 to 30 kt with gusts up
to 45 kt Tuesday afternoon; waves 4 to 7 ft possible.

* WHERE...Manitou Island to Point Isabelle MI, 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 PM EDT this
evening. For the Gale Watch, from Monday evening through
Tuesday evening.

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

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.