Marine Weather Message
Issued by NWS Gaylord, MI

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639
WHUS73 KAPX 160508
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
108 AM EDT Thu Jul 16 2026

LHZ345>349-LMZ323-341-342-344-345-LSZ321-322-161315-
/O.EXT.KAPX.MS.Y.0001.000000T0000Z-260716T1400Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
108 AM EDT Thu Jul 16 2026

...DENSE SMOKE ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Dense smoke will reduce visibility to less than 1 NM.

* WHERE...Portions of Lake Huron, Lake Michigan and Lake
  Superior.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$