weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Dense Fog Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
220 PM CDT Tue May 21 2024

LMZ645-646-220330-
/O.CON.KMKX.MF.Y.0017.000000T0000Z-240522T0000Z/
/O.CON.KMKX.SC.Y.0050.240522T0000Z-240522T1500Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
220 PM CDT Tue May 21 2024

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 10 AM CDT WEDNESDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to less than 1 NM or much less. For the Small Craft
  Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt
  expected. An occasional gust near Gale Force may be possible
  tonight into Wednesday morning.

* WHERE...Nearshore Waters from North Point Lighthouse to
  Winthrop Harbor IL.

* WHEN...For the Dense Fog Advisory, until 7 PM CDT this
  evening. For the Small Craft Advisory, from 7 PM this evening
  to 10 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
220 PM CDT Tue May 21 2024

LMZ080-669-671-673-675-777-779-870-872-874-876-878-220000-
/O.CON.KMKX.MF.Y.0017.000000T0000Z-240522T0000Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
220 PM CDT Tue May 21 2024

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Areas of dense fog will reduce visibility to less than
  1 NM or much less.

* WHERE...Southern Open Waters of Lake Michigan.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE