599
WHUS73 KAPX 171355
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
955 AM EDT Fri Oct 17 2025

LMZ323-341-342-344>346-180000-
/O.CON.KAPX.SC.Y.0098.000000T0000Z-251018T1000Z/
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-
Manistee to Point Betsie MI-
955 AM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the south and highest
  waves around 8 feet.

* WHERE...Portions of Lake Michigan.

* WHEN...Until 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346>349-180000-
/O.CON.KAPX.SC.Y.0098.251017T1500Z-251018T1000Z/
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-
955 AM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the south and highest
  waves around 6 feet expected.

* WHERE...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 and Sturgeon Pt to Alabaster MI.

* WHEN...Until 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-180000-
/O.CON.KAPX.SC.Y.0098.251017T1500Z-251018T1000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
955 AM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the south and highest
  waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
  Iroquois MI.

* WHEN...Until 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$