Watches, Warnings & Advisories



4 products issued by NWS for: 7NM NNW Gary IN

Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
358 AM CDT Sun Apr 12 2026

LMZ740>745-121700-
/O.EXT.KLOT.SC.Y.0041.260412T1200Z-260412T1700Z/
/O.NEW.KLOT.GL.W.0018.260412T1700Z-260413T0200Z/
/O.NEW.KLOT.SC.Y.0042.260413T0200Z-260413T0900Z/
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-
358 AM CDT Sun Apr 12 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
NOON CDT TODAY...
...GALE WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM
CDT MONDAY...

* WHAT...For the Small Craft Advisories, south to southwest winds
  to 30 kt and significant waves to 5 ft expected. For the Gale
  Warning, southwest winds to 35 kt and significant waves to 6 ft
  expected.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
  to Michigan City IN.

* WHEN...For the first Small Craft Advisory, from 7 AM this
  morning to noon CDT today. For the Gale Warning, from noon
  today to 9 PM CDT this evening. For the second Small Craft
  Advisory, from 9 PM this evening to 4 AM CDT Monday.

* 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
358 AM CDT Sun Apr 12 2026

LMZ740>745-121700-
/O.EXT.KLOT.SC.Y.0041.260412T1200Z-260412T1700Z/
/O.NEW.KLOT.GL.W.0018.260412T1700Z-260413T0200Z/
/O.NEW.KLOT.SC.Y.0042.260413T0200Z-260413T0900Z/
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-
358 AM CDT Sun Apr 12 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
NOON CDT TODAY...
...GALE WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM
CDT MONDAY...

* WHAT...For the Small Craft Advisories, south to southwest winds
  to 30 kt and significant waves to 5 ft expected. For the Gale
  Warning, southwest winds to 35 kt and significant waves to 6 ft
  expected.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
  to Michigan City IN.

* WHEN...For the first Small Craft Advisory, from 7 AM this
  morning to noon CDT today. For the Gale Warning, from noon
  today to 9 PM CDT this evening. For the second Small Craft
  Advisory, from 9 PM this evening to 4 AM CDT Monday.

* 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
358 AM CDT Sun Apr 12 2026

LMZ740>745-121700-
/O.EXT.KLOT.SC.Y.0041.260412T1200Z-260412T1700Z/
/O.NEW.KLOT.GL.W.0018.260412T1700Z-260413T0200Z/
/O.NEW.KLOT.SC.Y.0042.260413T0200Z-260413T0900Z/
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-
358 AM CDT Sun Apr 12 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
NOON CDT TODAY...
...GALE WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM
CDT MONDAY...

* WHAT...For the Small Craft Advisories, south to southwest winds
  to 30 kt and significant waves to 5 ft expected. For the Gale
  Warning, southwest winds to 35 kt and significant waves to 6 ft
  expected.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
  to Michigan City IN.

* WHEN...For the first Small Craft Advisory, from 7 AM this
  morning to noon CDT today. For the Gale Warning, from noon
  today to 9 PM CDT this evening. For the second Small Craft
  Advisory, from 9 PM this evening to 4 AM CDT Monday.

* 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.

&&

$$




Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
306 PM CDT Sat Apr 11 2026

LMZ740>745-122015-
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-
306 PM CDT Sat Apr 11 2026

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...Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
  Hazardous conditions for small craft are likely.
  Limited Thunderstorm Risk.
Monday...
  Limited Thunderstorm Risk...with an associated:
    Level 2 of 5 Severe Thunderstorm Risk.
Wednesday...
  Limited Thunderstorm Risk.

$$

Doom

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