588
WHUS73 KAPX 301933
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
333 PM EDT Tue Sep 30 2025

LHZ347-302100-
/O.CON.KAPX.SC.Y.0091.000000T0000Z-250930T2100Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
333 PM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the east and highest
  waves around 4 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI
  including Bois Blanc Island.

* WHEN...From 10 AM to 5 PM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ348-349-010345-
/O.CON.KAPX.SC.Y.0091.000000T0000Z-251001T1200Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
333 PM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
WEDNESDAY...

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

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

* WHEN...From 8 AM Tuesday to 8 AM 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.

&&

$$

LHZ345-LMZ341-010000-
/O.CON.KAPX.SC.Y.0091.000000T0000Z-251001T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-Seul Choix Point to 5NM West of Mackinac Bridge-
333 PM EDT Tue Sep 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

* 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...From 10 AM to 8 PM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$