Headline:
Dense Smoke Advisory issued July 20 at 3:42AM EDT until July 20 at 8:00AM EDT by NWS Marquette MI
Event:
Dense Smoke Advisory
Urgency:
Expected
Effective:
July 20, 2026 - 12:42am
Expires:
July 20, 2026 - 12:45pm
Description:
* WHAT...For the Dense Smoke Advisory, dense smoke will reduce
visibility to less than one nautical mile. For the Small Craft
Advisory, south winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 3 ft expected. For the Gale Watch, northwest winds
20 to 30 kt with gusts up to 40 kt and waves 6 to 11 ft
possible.
* WHERE...Munising to Grand Marais MI.
* WHEN...For the Dense Smoke Advisory, until 8 AM EDT this
morning. For the Small Craft Advisory, from noon today to 11
PM EDT this evening. For the Gale Watch, from Tuesday morning
through late Tuesday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility. Low visibility
will make navigation difficult.
Instruction:
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.
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:
Munising to Grand Marais MI
Forcast Office:
NWS Marquette MI
Sender: