023
WHUS73 KAPX 220649
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
249 AM EDT Sat Aug 22 2026

LSZ321-322-221500-
/O.NEW.KAPX.SC.Y.0071.260822T2100Z-260824T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
249 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM EDT MONDAY...

* WHAT...Highest gusts up to 25 kts from the northwest and
  highest waves around 7 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
  Iroquois MI and St. Marys River Point Iroquois to E.
  Potagannissing Bay.

* WHEN...From 5 PM this afternoon to 5 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.

&&

$$

LHZ345-LMZ323-341-342-344-221500-
/O.NEW.KAPX.SC.Y.0071.260822T2100Z-260824T2100Z/
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-
249 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM EDT MONDAY...

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

* WHERE...In Lake Huron, Straits of Mackinac within 5 nm of
  Mackinac Bridge including Mackinac Island. In Lake Michigan,
  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 and Sleeping Bear Point to Grand Traverse Light
  MI.

* WHEN...From 5 PM this afternoon to 5 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.

&&

$$

LMZ345-346-221500-
/O.NEW.KAPX.SC.Y.0071.260823T0200Z-260824T0400Z/
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
249 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
MIDNIGHT EDT SUNDAY NIGHT...

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

* WHERE...Point Betsie to Sleeping Bear Point MI and Manistee to
  Point Betsie MI.

* WHEN...From 10 PM this evening to midnight EDT Sunday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ346-221500-
/O.NEW.KAPX.SC.Y.0071.260822T2100Z-260825T0000Z/
St Ignace to False Detour Channel-
249 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and
  highest waves around 3 feet expected.

* WHERE...St Ignace to False Detour Channel.

* WHEN...From 5 PM this afternoon 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.

&&

$$

LHZ347-348-221500-
/O.NEW.KAPX.SC.Y.0071.260822T2100Z-260825T0100Z/
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-
249 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT MONDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and
  highest waves around 7 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI
  including Bois Blanc Island and Presque Isle Light to Sturgeon
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 5 PM this afternoon to 9 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.

&&

$$

LHZ349-221500-
/O.NEW.KAPX.SC.Y.0071.260823T0300Z-260824T2100Z/
Sturgeon Pt to Alabaster MI-
249 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
EDT MONDAY...

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

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...From 11 PM this evening to 5 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.

&&

$$