771
WHUS73 KLOT 210916
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
416 AM CDT Tue May 21 2024

LMZ740-741-211730-
/O.NEW.KLOT.MF.Y.0010.240521T0916Z-240521T1600Z/
/O.CON.KLOT.SC.Y.0051.240521T2000Z-240522T1100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
416 AM CDT Tue May 21 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 6 AM CDT WEDNESDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to 1/4 NM or less. For the Small Craft Advisory,
  winds to 30 kt with occasional gale force gusts to 35 kt
  and significant waves to 5 ft expected.

* WHERE...Winthrop Harbor to Northerly Island IL.

* WHEN...For the Dense Fog Advisory, until 11 AM CDT this
  morning. For the Small Craft Advisory, from 3 PM this
  afternoon to 6 AM CDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ742>745-211730-
/O.CON.KLOT.SC.Y.0051.240521T1700Z-240522T1100Z/
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
416 AM CDT Tue May 21 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM
CDT WEDNESDAY...

* WHAT...Winds to 30 kt with occasional gale force gusts to 35 kt
  and significant waves to 5 ft expected.

* WHERE...Calumet Harbor IL to Michigan City IN, and Northerly
  Island to Calumet Harbor IL.

* WHEN...From noon today to 6 AM CDT 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.

&&

$$