570
WHUS73 KGRB 180922
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
422 AM CDT Mon Aug 18 2025

LMZ542-543-181730-
/O.CON.KGRB.SC.Y.0067.000000T0000Z-250818T2100Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
422 AM CDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Southeast winds around 15 kts with gusts up to 20 kts
  and waves 3 to 5 ft.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to
  Sheboygan.

* WHEN...Until 4 PM CDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ541-181500-
/O.CON.KGRB.SC.Y.0067.000000T0000Z-250818T1500Z/
Rock Island Passage to Sturgeon Bay WI-
422 AM CDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Southeast winds 10 to 15 kts with gusts up to 20 kts and
  waves 3 to 5 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sturgeon Bay.

* WHEN...Until 10 AM CDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MPC