Minor Dense Smoke Advisory | Effective 07/18/2026 01:23

Headline: 
Dense Smoke Advisory issued July 18 at 4:23AM EDT until July 19 at 8:00PM EDT by NWS Marquette MI
Event: 
Dense Smoke Advisory
Urgency: 
Expected
Effective: 
July 18, 2026 - 1:23am
Expires: 
July 18, 2026 - 1:30pm
Description: 
* WHAT...For the Small Craft Advisory, north winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. For the Dense Smoke Advisory, dense smoke will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Small Craft Advisory, from 10 AM this morning to 8 PM EDT this evening. For the Dense Smoke Advisory, from 11 AM this morning to 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.
Instruction: 
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Area Description: 
Green Bay North of line from Cedar River MI to Rock Island Passage; Seul Choix Point to Point Detour MI; 5NM East of a line from Fairport MI to Rock Island Passage
Forcast Office: 
NWS Marquette MI