Small Craft Advisory issued September 8 at 4:00AM EDT until September 9 at 8:00AM EDT by NWS Marquette MI

Black River To Ontonagon MI; Ontonagon to Upper Entrance of Portage Canal MI; Upper Entrance of Portage Canal to Eagle River MI; Eagle River to Manitou Island MI

Urgency: Expected

Certainty: Likely

Onset: 9/8/2026, 10:00:00 AM

Expires: 9/8/2026, 8:00:00 PM

Details

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 35 kt and waves 2 to 5 ft expected. For the Gale Watch, west winds 20 to 30 kt with gusts up to 45 kt and waves 6 to 11 ft possible. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI, Upper Entrance of Portage Canal to Eagle River MI and Eagle River to Manitou Island MI. * WHEN...For the Small Craft Advisory, until 8 AM EDT /7 AM CDT/ Wednesday. For the Gale Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.

What To Do

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.

Other Active Small Craft Advisory Alerts

Small Craft Advisory issued September 8 at 2:26AM PDT until September 8 at 6:00PM PDT by NWS Eureka CA

Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm

Small Craft Advisory issued September 8 at 2:26AM PDT until September 9 at 6:00AM PDT by NWS Eureka CA

Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm

Small Craft Advisory issued September 8 at 2:26AM PDT until September 8 at 6:00AM PDT by NWS Eureka CA

Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm

Small Craft Advisory issued September 8 at 4:17AM CDT until September 9 at 7:00AM CDT by NWS Duluth MN

Chequamegon Bay-Bayfield to Oak Point WI; Grand Marais to Taconite Harbor MN; Taconite Harbor to Silver Bay Harbor MN; Sand Island to Bayfield WI; Oak Point to Saxon Harbor WI; Outer Apostle Islands Beyond 5 NM from Mainland

Small Craft Advisory issued September 8 at 4:17AM CDT until September 9 at 7:00AM CDT by NWS Duluth MN

Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI

Source: National Weather Service.