395
WHUS73 KGRB 172023
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
323 PM CDT Sun Aug 17 2025

LMZ542-543-180430-
/O.CON.KGRB.SC.Y.0067.000000T0000Z-250818T2100Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
323 PM CDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT MONDAY...

* WHAT...East winds around 15 kt with a few gusts up to 25 kt and
  waves 3 to 6 ft.

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

* WHEN...Until 4 PM CDT 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.

&&

$$

LMZ541-180430-
/O.CON.KGRB.SC.Y.0067.000000T0000Z-250818T1500Z/
Rock Island Passage to Sturgeon Bay WI-
323 PM CDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
MONDAY...

* WHAT...East winds 10 to 15 kt with gusts up to 20 kt and waves
  2 to 5 ft.

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

* WHEN...Until 10 AM CDT 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.

&&

$$