Alert archive / Illinois / Small Craft Advisories in 2021

Small Craft Advisory 49, NWS Chicago, IL

June 13, 2021

NWS Chicago, IL issued this small craft advisory at Jun 13, 2021, 2:06 PM CDT. It took effect at Jun 14, 2021, 3:08 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Jun 13, 2021, 2:06 PM CDT (19:06 UTC)
In effect from: Jun 14, 2021, 3:08 AM CDT
Expired: Jun 14, 2021, 9:00 PM CDT
In force: 18 hr
Issued by: NWS Chicago, IL

The text

As transmitted.

707 
WHUS73 KLOT 131906
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
206 PM CDT Sun Jun 13 2021

LMZ743>745-140315-
/O.NEW.KLOT.SC.Y.0049.210614T1200Z-210614T2300Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
206 PM CDT Sun Jun 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 6 PM CDT MONDAY...

* WHAT...Waves 4 to 6 ft and northerly winds of 25 kt expected.

* WHERE...Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN 
  and Burns Harbor to Michigan City IN.

* WHEN...From 7 AM to 6 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.

&&

$$

Borchardt

5 follow-up statements

242 
WHUS73 KLOT 140244
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
944 PM CDT Sun Jun 13 2021

LMZ743>745-141045-
/O.CON.KLOT.SC.Y.0049.210614T1200Z-210614T2300Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
944 PM CDT Sun Jun 13 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 6 PM CDT
MONDAY...

* WHAT...North winds to 25 kt. Significant waves to 6 ft.
  Occasional waves to 8 ft.

* WHERE...Gary to Burns Harbor IN, Burns Harbor to Michigan City 
  IN and Calumet Harbor IL to Gary IN.

* WHEN...From 7 AM to 6 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.

&&

$$

856 
WHUS73 KLOT 140808
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
308 AM CDT Mon Jun 14 2021

LMZ740>742-141645-
/O.EXB.KLOT.SC.Y.0049.210614T0808Z-210614T2000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
308 AM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

* WHAT...Southwest winds to 25 kt early this morning, becoming
  north to 25 kt after daybreak. A few gusts to 30 kt are possible
  this morning. Significant waves to 6 ft, occasionally to 8 ft.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor 
  to Northerly Island IL and Northerly Island to Calumet Harbor 
  IL.

* WHEN...Until 3 PM CDT this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ743>745-141645-
/O.EXT.KLOT.SC.Y.0049.210614T1200Z-210615T0200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
308 AM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
9 PM CDT THIS EVENING...

* WHAT...North winds to 25 kt with a few gusts to 30 kt this
  morning. Significant waves to 6 ft. Occasional waves to 8 ft.

* WHERE...Gary to Burns Harbor IN, Burns Harbor to Michigan City 
  IN and Calumet Harbor IL to Gary IN.

* WHEN...From 7 AM this morning to 9 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Carlaw

298 
WHUS73 KLOT 141418
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
918 AM CDT Mon Jun 14 2021

LMZ743>745-142230-
/O.CON.KLOT.SC.Y.0049.000000T0000Z-210615T0200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
918 AM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* WHAT...North winds to 25 kt. Significant waves to 6 ft. 
  Occasional waves to 8 ft.

* WHERE...Gary to Burns Harbor IN, Burns Harbor to Michigan City 
  IN and Calumet Harbor IL to Gary IN.

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-142000-
/O.CON.KLOT.SC.Y.0049.000000T0000Z-210614T2000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
918 AM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS
AFTERNOON...

* WHAT...North winds to 25 kt. Significant waves to 6 ft, 
  occasionally to 8 ft.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor 
  to Northerly Island IL and Northerly Island to Calumet Harbor 
  IL.

* WHEN...Until 3 PM CDT this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

869 
WHUS73 KLOT 141955
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
255 PM CDT Mon Jun 14 2021

LMZ740>742-142100-
/O.EXP.KLOT.SC.Y.0049.000000T0000Z-210614T2000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
255 PM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON...

WInd have eased to 15 kt or less, and waves will hold under 4 ft
for the remainder of the afternoon.

$$

LMZ743>745-150200-
/O.CON.KLOT.SC.Y.0049.000000T0000Z-210615T0200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
255 PM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* WHAT...North winds to 25 kt. Significant waves to 6 ft. 
  Occasional waves to 8 ft.

* WHERE...Gary to Burns Harbor IN, Burns Harbor to Michigan City 
  IN and Calumet Harbor IL to Gary IN.

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

324 
WHUS73 KLOT 150204
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
904 PM CDT Mon Jun 14 2021

LMZ743>745-150315-
/O.EXP.KLOT.SC.Y.0049.000000T0000Z-210615T0200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
904 PM CDT Mon Jun 14 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

The small craft advisory is no longer in effect.

$$

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 2:06 PM CDT	Beach Hazards Statement	LOT	Cook	31 hr

Nearby

Small Craft Advisories in Illinois, 2021 Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.