024
WHUS73 KAPX 200633
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
233 AM EDT Sun Sep 20 2026

LSZ321-322-200745-
/O.CAN.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and wind gusts are not expected to reach Small Craft
Advisory criteria this afternoon, therefore, the Small Craft
Advisory is cancelled.

$$

LHZ345-LMZ323-341-342-344>346-201445-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
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-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and
  highest waves around 4 feet expected.

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

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ346-347-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ348-349-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$