Small Craft Advisory issued September 8 at 9:47AM CDT until September 9 at 7:00AM CDT by NWS Green Bay WI

Rock Island Passage to Sturgeon Bay WI; Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI

Urgency: Expected

Certainty: Likely

Onset: 9/8/2026, 6:00:00 PM

Expires: 9/8/2026, 11:00:00 PM

Details

* WHAT...South winds 10 to 20 kts with gusts up to 25 kts and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 1 PM this afternoon to 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 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

Grand Portage to Grand Marais MN

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 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

Source: National Weather Service.