Marine Weather Message
Issued by NWS Gaylord, MI

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040
WHUS73 KAPX 221539
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1139 AM EDT Wed Jul 22 2026

LHZ345-LMZ341-222345-
/O.CON.KAPX.SC.Y.0060.000000T0000Z-260723T0300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-Seul Choix Point to 5NM West of Mackinac Bridge-
1139 AM EDT Wed Jul 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northwest and
  highest waves around 6 feet.

* WHERE...In Lake Huron, Straits of Mackinac within 5 nm of
  Mackinac Bridge including Mackinac Island. In Lake Michigan,
  Seul Choix Point to 5NM West of Mackinac Bridge.

* WHEN...Until 11 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ346-349-222345-
/O.CON.KAPX.SC.Y.0060.000000T0000Z-260723T0300Z/
St Ignace to False Detour Channel-Sturgeon Pt to Alabaster MI-
1139 AM EDT Wed Jul 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northwest and
  highest waves around 6 feet.

* WHERE...St Ignace to False Detour Channel and Sturgeon Pt to
  Alabaster MI.

* WHEN...Until 11 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ321-322-222345-
/O.CON.KAPX.SC.Y.0060.000000T0000Z-260723T0300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1139 AM EDT Wed Jul 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

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

* WHEN...Until 11 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-342-344>346-222345-
/O.CON.KAPX.SC.Y.0061.000000T0000Z-260723T0300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
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-
1139 AM EDT Wed Jul 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Gale Warning, Highest gusts up to 35 kts from
  the northwest and highest waves around 9 feet. For the Small
  Craft Advisory, Highest gusts up to 30 kts from the northwest
  and highest waves around 8 feet expected.

* WHERE...Grand Traverse Bay south of a line Grand Traverse
  Light to Norwood MI, 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 and
  Manistee to Point Betsie MI.

* WHEN...Until 11 PM EDT Wednesday.

* IMPACTS...Strong winds will cause hazardous highest waves
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ347-348-222345-
/O.CON.KAPX.SC.Y.0061.000000T0000Z-260723T0300Z/
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-
1139 AM EDT Wed Jul 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Gale Warning, Highest gusts up to 40 kts from
  the northwest and highest waves around 10 feet. For the Small
  Craft Advisory, Highest gusts up to 30 kts from the northwest
  and highest waves around 9 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...For the Gale Warning, until midnight EDT tonight. For
  the Small Craft Advisory, from midnight tonight to 11 PM EDT
  Wednesday.

* IMPACTS...Strong winds will cause hazardous highest waves
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$