Small Craft Advisory issued September 8 at 10:24AM CDT until September 9 at 7:00AM CDT by NWS Duluth MN

Grand Portage to Grand Marais MN

Urgency: Expected

Certainty: Likely

Onset: 9/8/2026, 3:24:00 PM

Expires: 9/9/2026, 9:00:00 AM

Details

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft. For the Gale Watch, west winds 15 to 25 kt with gusts up to 35 kt and waves 3 to 6 ft possible. * WHERE...Grand Portage to Grand Marais MN. * WHEN...For the Small Craft Advisory, until 7 AM CDT Wednesday. For the Gale Watch, from Wednesday morning through Wednesday afternoon. * 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 8:41AM 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 8:41AM 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 10:24AM 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 10:24AM 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

Small Craft Advisory issued September 8 at 11:21AM EDT until September 9 at 10:00AM EDT by NWS Marquette MI

Point Isabelle to Lower Entrance of Portage Canal MI; Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays

Source: National Weather Service.