Watches, Warnings & Advisories



3 products issued by NWS for: 9NM NNW Evanston IL

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
324 AM CST Mon Nov 10 2025

LMZ740>745-110930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
324 AM CST Mon Nov 10 2025

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Hazardous conditions for small craft are expected.
  Limited Waterspout Risk.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday and Wednesday...
  Hazardous conditions for small craft are likely.
Friday through Sunday...
  Hazardous conditions for small craft are likely.

$$

Borchardt

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Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
308 AM CST Mon Nov 10 2025

LMZ740>742-101715-
/O.CON.KLOT.GL.W.0027.000000T0000Z-251110T1200Z/
/O.NEW.KLOT.SC.Y.0099.251110T1200Z-251111T0600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
308 AM CST Mon Nov 10 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...For the Gale Warning, northwest gales to 35 kt and
  significant waves to 12 ft occasionally to 16 ft expected. For
  the Small Craft Advisory, northwest winds to 30 kt and
  significant waves to 10 ft occasionally to 13 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the Gale Warning, until 6 AM CST early this
  morning. For the Small Craft Advisory, until midnight CST
  tonight.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$



Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
308 AM CST Mon Nov 10 2025

LMZ740>742-101715-
/O.CON.KLOT.GL.W.0027.000000T0000Z-251110T1200Z/
/O.NEW.KLOT.SC.Y.0099.251110T1200Z-251111T0600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
308 AM CST Mon Nov 10 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...For the Gale Warning, northwest gales to 35 kt and
  significant waves to 12 ft occasionally to 16 ft expected. For
  the Small Craft Advisory, northwest winds to 30 kt and
  significant waves to 10 ft occasionally to 13 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the Gale Warning, until 6 AM CST early this
  morning. For the Small Craft Advisory, until midnight CST
  tonight.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$