Small Craft Advisory issued September 7 at 4:36AM 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: 9/7/2026, 8:45:00 PM

Details

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt, shifting southwest Tuesday night. Waves 2 to 5 ft expected. * 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...From 6 AM EDT /5 AM CDT/ Tuesday to 8 AM EDT /7 AM CDT/ Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

What To Do

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Other Active Small Craft Advisory Alerts

Small Craft Advisory issued September 7 at 3:46AM AKDT until September 8 at 5:00AM AKDT by NWS Juneau AK

Cape Fairweather to Icy Cape from 15 to 80 NM

Small Craft Advisory issued September 7 at 3:46AM AKDT until September 8 at 5:00AM AKDT by NWS Juneau AK

Cape Edgecumbe to Cape Spencer from 15 to 80 NM

Small Craft Advisory issued September 7 at 3:46AM AKDT until September 8 at 6:00AM AKDT by NWS Juneau AK

Northern Lynn Canal; Cape Edgecumbe to Cape Spencer from 15 to 80 NM; Cape Spencer to Cape Fairweather from 15 to 85 NM

Small Craft Advisory issued September 7 at 3:46AM AKDT until September 8 at 5:00AM AKDT by NWS Juneau AK

Icy Cape to Cape Suckling from 15 to 80 NM

Small Craft Advisory issued September 7 at 3:46AM AKDT until September 8 at 5:00AM AKDT by NWS Juneau AK

Cape Spencer to Cape Fairweather from 15 to 85 NM

Source: National Weather Service.