Alert archive / Illinois / Small Craft Advisories in 2021
Small Craft Advisory 113, NWS Chicago, IL
NWS Chicago, IL issued this small craft advisory at Dec 21, 2021, 6:16 PM CST. It took effect at Dec 22, 2021, 3:00 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2021, 6:16 PM CST (00:16 UTC)
- In effect from
- Dec 22, 2021, 3:00 AM CST
- Expired
- Dec 22, 2021, 3:00 PM CST
- In force
- 12 hr
- Issued by
- NWS Chicago, IL
The text
As transmitted.
915 WHUS73 KLOT 220016 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 616 PM CST Tue Dec 21 2021 LMZ740>743-220830- /O.UPG.KLOT.SC.Y.0112.000000T0000Z-211222T1200Z/ /O.NEW.KLOT.GL.W.0024.211222T0016Z-211222T0900Z/ /O.NEW.KLOT.SC.Y.0113.211222T0900Z-211222T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 616 PM CST Tue Dec 21 2021 ...GALE WARNING IN EFFECT UNTIL 3 AM CST WEDNESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 9 AM CST WEDNESDAY... * WHAT...For the Gale Warning, west to northwest gales to 35 kt, significant waves up to 6 ft, and occasional waves up to 8 ft. For the Small Craft Advisory, northwest winds to 25 to 30 kt. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL, Northerly Island to Calumet Harbor IL and Calumet Harbor IL to Gary IN. * WHEN...For the Gale Warning, until 3 AM CST Wednesday. For the Small Craft Advisory, from 3 AM to 9 AM CST Wednesday. * 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 severe conditions. && $$ LMZ744-745-220830- /O.UPG.KLOT.SC.Y.0112.000000T0000Z-211222T1800Z/ /O.NEW.KLOT.GL.W.0024.211222T0016Z-211222T0900Z/ /O.NEW.KLOT.SC.Y.0113.211222T0900Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 616 PM CST Tue Dec 21 2021 ...GALE WARNING IN EFFECT UNTIL 3 AM CST WEDNESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 3 PM CST WEDNESDAY... * WHAT...For the Gale Warning, west to northwest gales to 35 kt, significant waves to 9 ft, and occasional waves to 12 ft. For the Small Craft Advisory, northwest winds to 25 to 30 kt, significant waves up to 9 ft, and occasional waves up to 12 ft. * WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...For the Gale Warning, until 3 AM CST Wednesday. For the Small Craft Advisory, from 3 AM to 3 PM CST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
6 follow-up statements
680 WHUS73 KLOT 220022 CCA MWWLOT URGENT - MARINE WEATHER MESSAGE...CORRECTED National Weather Service Chicago IL 622 PM CST Tue Dec 21 2021 LMZ740>743-220830- /O.UPG.KLOT.SC.Y.0112.000000T0000Z-211222T1200Z/ /O.NEW.KLOT.GL.W.0024.211222T0022Z-211222T0900Z/ /O.NEW.KLOT.SC.Y.0113.211222T0900Z-211222T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 622 PM CST Tue Dec 21 2021 ...GALE WARNING IN EFFECT UNTIL 3 AM CST WEDNESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 9 AM CST WEDNESDAY... * WHAT...For the Gale Warning, west to northwest gales to 35 kt, significant waves up to 6 ft, and occasional waves up to 8 ft. For the Small Craft Advisory, northwest winds to 25 to 30 kt. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL, Northerly Island to Calumet Harbor IL and Calumet Harbor IL to Gary IN. * WHEN...For the Gale Warning, until 3 AM CST Wednesday. For the Small Craft Advisory, from 3 AM to 9 AM CST Wednesday. * 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 severe conditions. && $$ LMZ744-745-220830- /O.UPG.KLOT.SC.Y.0112.000000T0000Z-211222T1800Z/ /O.COR.KLOT.GL.W.0024.211222T0022Z-211222T0900Z/ /O.COR.KLOT.SC.Y.0113.211222T0900Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 622 PM CST Tue Dec 21 2021 ...GALE WARNING IN EFFECT UNTIL 3 AM CST WEDNESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 3 PM CST WEDNESDAY... * WHAT...For the Gale Warning, west to northwest gales to 35 kt, significant waves to 10 ft, and occasional waves to 13 ft. For the Small Craft Advisory, northwest winds to 25 to 30 kt, significant waves up to 9 ft, and occasional waves up to 12 ft. * WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...For the Gale Warning, until 3 AM CST Wednesday. For the Small Craft Advisory, from 3 AM to 3 PM CST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
160 WHUS73 KLOT 220326 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 926 PM CST Tue Dec 21 2021 LMZ740>743-221130- /O.CON.KLOT.GL.W.0024.000000T0000Z-211222T0900Z/ /O.CON.KLOT.SC.Y.0113.211222T0900Z-211222T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 926 PM CST Tue Dec 21 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST WEDNESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CST WEDNESDAY... * WHAT...For the Gale Warning, northwest gales to 35 kt, significant waves up to 6 ft, and occasional waves up to 8 ft. For the Small Craft Advisory, northwest winds to 25 to 30 kt. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL, Northerly Island to Calumet Harbor IL and Calumet Harbor IL to Gary IN. * WHEN...For the Gale Warning, until 3 AM CST Wednesday. For the Small Craft Advisory, from 3 AM to 9 AM CST Wednesday. * 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 severe conditions. && $$ LMZ744-745-221130- /O.CON.KLOT.GL.W.0024.000000T0000Z-211222T0900Z/ /O.CON.KLOT.SC.Y.0113.211222T0900Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 926 PM CST Tue Dec 21 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST WEDNESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST WEDNESDAY... * WHAT...For the Gale Warning, west to northwest gales to 35 kt, significant waves to 10 ft, and occasional waves to 13 ft. For the Small Craft Advisory, northwest winds to 25 to 30 kt, significant waves up to 9 ft, and occasional waves up to 12 ft. * WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...For the Gale Warning, until 3 AM CST Wednesday. For the Small Craft Advisory, from 3 AM to 3 PM CST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
869 WHUS73 KLOT 220902 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 302 AM CST Wed Dec 22 2021 LMZ740>743-221500- /O.EXP.KLOT.GL.W.0024.000000T0000Z-211222T0900Z/ /O.CON.KLOT.SC.Y.0113.000000T0000Z-211222T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 302 AM CST Wed Dec 22 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... ...GALE WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... * WHAT...Northwest winds up to 25 kt and waves up to 5 ft expected. * WHERE...Northerly Island to Calumet Harbor IL, Calumet Harbor IL to Gary IN, Winthrop Harbor to Wilmette Harbor IL and Wilmette Harbor to Northerly Island IL. * WHEN...Until 9 AM CST this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-221715- /O.EXP.KLOT.GL.W.0024.000000T0000Z-211222T0900Z/ /O.CON.KLOT.SC.Y.0113.000000T0000Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 302 AM CST Wed Dec 22 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... ...GALE WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... * WHAT...Northwest winds 25 to 30 kt with waves to 9 ft expected early. * WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
540 WHUS73 KLOT 221530 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 930 AM CST Wed Dec 22 2021 LMZ744-745-222100- /O.CON.KLOT.SC.Y.0113.000000T0000Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 930 AM CST Wed Dec 22 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Waves 2 to 5 ft. * WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...Until 3 PM CST 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. && $$
471 WHUS73 KLOT 221600 AAA MWWLOT URGENT - MARINE WEATHER MESSAGE...UPDATED National Weather Service Chicago IL 1000 AM CST Wed Dec 22 2021 LMZ744-745-222100- /O.CON.KLOT.SC.Y.0113.000000T0000Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 1000 AM CST Wed Dec 22 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Waves 3 to 6 ft. * WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
546 WHUS73 KLOT 222041 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 241 PM CST Wed Dec 22 2021 LMZ744-745-222145- /O.EXP.KLOT.SC.Y.0113.000000T0000Z-211222T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 241 PM CST Wed Dec 22 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON... Winds have eased under 20 kt and waves are generally below 4 ft. Offshore winds will increase again Thursday, though generally remaining under 25 kt. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 6:16 PM CST | Gale Warning | LOT | 9 hr |
Nearby
Small Craft Advisories in Illinois, 2021Every 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.