Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
201 PM EDT Thu Aug 20 2026

LHZ347-348-210215-
/O.NEW.KAPX.SC.Y.0070.260821T1600Z-260822T0000Z/
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-
201 PM EDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT FRIDAY...

* WHAT...Highest gusts up to 25 kts from the southeast and
  highest waves around 4 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 noon to 8 PM EDT Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
201 PM EDT Thu Aug 20 2026

LMZ323-341-342-344>346-210215-
/O.NEW.KAPX.SC.Y.0070.260821T1400Z-260822T0000Z/
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-
201 PM EDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 8 PM EDT FRIDAY...

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

* WHERE...Portions of Lake Michigan.

* WHEN...From 10 AM to 8 PM EDT Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
428 PM EDT Thu Aug 20 2026

LMZ248-210830-
/O.NEW.KMQT.SC.Y.0121.260821T1500Z-260821T2100Z/
Seul Choix Point to Point Detour MI-
428 PM EDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM TO 5 PM EDT FRIDAY...

* WHAT...Southwest winds around 15 kt with gusts up to 25 kt and
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI.

* WHEN...From 11 AM to 5 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$