Alert archive / Illinois / Beach Hazards Statements in 2021
Beach Hazards Statement 18, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Sep 20, 2021, 2:39 PM CDT for Cook County, Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Sep 21, 2021, 10:00 AM CDT. It was in force for 69 hr.
The area
The counties it named.
The facts
- Issued
- Sep 20, 2021, 2:39 PM CDT (19:39 UTC)
- In effect from
- Sep 21, 2021, 10:00 AM CDT
- Expired
- Sep 24, 2021, 7:00 AM CDT
- In force
- 69 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, Lake County, IL, Lake County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 54 km from the middle of the area, began a volume at 19:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.7 hours before the alert went out and 206 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 327 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 582 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
709 WHUS43 KLOT 201939 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 239 PM CDT Mon Sep 20 2021 INZ001-002-210345- /O.NEW.KLOT.BH.S.0018.210921T1500Z-210924T0300Z/ Lake IN-Porter- 239 PM CDT Mon Sep 20 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY MORNING THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN and Porter Counties. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-210345- /O.NEW.KLOT.BH.S.0018.210922T0000Z-210924T0000Z/ Lake IL-Northern Cook-Central Cook- 239 PM CDT Mon Sep 20 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Tuesday evening through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Borchardt/Carlaw
15 follow-up statements
098 WHUS43 KLOT 210232 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 932 PM CDT Mon Sep 20 2021 INZ001-002-211045- /O.CON.KLOT.BH.S.0018.210921T1500Z-210924T0300Z/ Lake IN-Porter- 932 PM CDT Mon Sep 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN and Porter Counties. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-211045- /O.CON.KLOT.BH.S.0018.210922T0000Z-210924T0000Z/ Lake IL-Northern Cook-Central Cook- 932 PM CDT Mon Sep 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL and Northern and Central Cook Counties. * WHEN...From Tuesday evening through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
457 WHUS43 KLOT 210840 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 340 AM CDT Tue Sep 21 2021 INZ001-002-211645- /O.NEW.KLOT.LS.Y.0005.210922T1200Z-210923T2000Z/ /O.EXT.KLOT.BH.S.0018.210921T1500Z-210924T0900Z/ Lake IN-Porter- 340 AM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH LATE THURSDAY NIGHT... ...LAKESHORE FLOOD ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 3 PM CDT THURSDAY... * WHAT...Large and battering waves, building up to 12 to 16 feet Wednesday into Wednesday night will result in beach erosion as well as minor lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 3 PM CDT Thursday. For the Beach Hazards Statement, from 10 AM CDT this morning through late Thursday night. * IMPACTS...Some water on low lying roads and property along the lakeshore. Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-211645- /O.NEW.KLOT.LS.Y.0005.210922T1200Z-210923T0900Z/ /O.EXT.KLOT.BH.S.0018.210921T2000Z-210924T0000Z/ Northern Cook-Central Cook- 340 AM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... ...LAKESHORE FLOOD ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM CDT THURSDAY... * WHAT...Large and battering waves, building up to 10 to 14 feet Wednesday into Wednesday evening will result in beach erosion as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 4 AM CDT Thursday. For the Beach Hazards Statement, from 3 PM CDT this afternoon through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-211645- /O.EXT.KLOT.BH.S.0018.210921T2000Z-210924T0000Z/ Lake IL- 340 AM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...From 3 PM CDT this afternoon through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ - Izzi
224 WHUS43 KLOT 211544 AAA CFWLOT Lakeshore Hazard Message...UPDATED National Weather Service Chicago IL 1044 AM CDT Tue Sep 21 2021 INZ001-002-212345- /O.CON.KLOT.LS.Y.0005.210922T1200Z-210923T2000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 1044 AM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 3 PM CDT THURSDAY... * WHAT...Large and battering waves, building up to 12 to 16 feet Wednesday into Wednesday night will result in beach erosion as well as minor lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 3 PM CDT Thursday. For the Beach Hazards Statement: until late Thursday night. * IMPACTS...Some water on low lying roads and property along the lakeshore. Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-212345- /O.CON.KLOT.LS.Y.0005.210922T1200Z-210923T0900Z/ /O.CON.KLOT.BH.S.0018.210921T2000Z-210924T0000Z/ Northern Cook-Central Cook- 1044 AM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM CDT THURSDAY... * WHAT...Large and battering waves, building up to 10 to 14 feet Wednesday into Wednesday evening will result in beach erosion as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 4 AM CDT Thursday. For the Beach Hazards Statement, from 3 PM CDT this afternoon through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-212345- /O.CON.KLOT.BH.S.0018.210921T2000Z-210924T0000Z/ Lake IL- 1044 AM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 3 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...From 3 PM CDT this afternoon through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
478 WHUS43 KLOT 212035 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 335 PM CDT Tue Sep 21 2021 INZ001-002-220445- /O.CON.KLOT.LS.Y.0005.210922T1200Z-210923T2000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 335 PM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 3 PM CDT THURSDAY... * WHAT...Large and battering waves, building up to 12 to 16 feet, and occasionally to 21 feet, Wednesday into Wednesday night will result in beach erosion, dangerous conditions along the lakefront, and at least minor lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 3 PM CDT Thursday. For the Beach Hazards Statement: until late Thursday night. * IMPACTS...Water on low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-220445- /O.CON.KLOT.LS.Y.0005.210922T1200Z-210923T0900Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 335 PM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM CDT THURSDAY... * WHAT...Large and battering waves, building up to 10 to 14 feet Wednesday into Wednesday evening will result in beach erosion, dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 4 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-220445- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 335 PM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Carlaw
702 WHUS43 KLOT 220241 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 941 PM CDT Tue Sep 21 2021 INZ001-002-221045- /O.CON.KLOT.LS.Y.0005.210922T1200Z-210923T2000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 941 PM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 3 PM CDT THURSDAY... * WHAT...Large and battering waves, building up to 12 to 16 feet, and occasionally to 21 feet, Wednesday into Wednesday night will result in beach erosion, dangerous conditions along the lakefront, and at least minor lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 3 PM CDT Thursday. For the Beach Hazards Statement, through late Thursday night. * IMPACTS...Water on low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-221045- /O.CON.KLOT.LS.Y.0005.210922T1200Z-210923T0900Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 941 PM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM CDT THURSDAY... * WHAT...Large and battering waves, building up to 10 to 14 feet Wednesday into Wednesday evening will result in beach erosion, dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM Wednesday to 4 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-221045- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 941 PM CDT Tue Sep 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
405 WHUS43 KLOT 220845 CFWLOT URGENT - IMMEDIATE BROADCAST REQUESTED Lakeshore Hazard Message National Weather Service Chicago IL 345 AM CDT Wed Sep 22 2021 INZ001-002-221645- /O.UPG.KLOT.LS.Y.0005.210922T1200Z-210923T2000Z/ /O.NEW.KLOT.LS.W.0001.210922T1200Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 345 AM CDT Wed Sep 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... ...LAKESHORE FLOOD WARNING IN EFFECT FROM 7 AM THIS MORNING TO 7 PM CDT THURSDAY... * WHAT...Large and battering waves, will build to 14 to 18 feet, with some occasionally larger waves, later this afternoon and continue tonight into Thursday. Waves of this magnitude, combined with above average lake levels will result in potentially significant shoreline erosion, extremely dangerous conditions near the lakefront, as well as lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, from 7 AM this morning to 7 PM CDT Thursday. For the Beach Hazards Statement, through late Thursday night. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Stay out of the water as swimming conditions will be life threatening even for the most inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-221645- /O.EXT.KLOT.LS.Y.0005.210922T1200Z-210923T1500Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 345 AM CDT Wed Sep 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... ...LAKESHORE FLOOD ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO 10 AM CDT THURSDAY... * WHAT...Large and battering waves, building up to 12 to 16 feet this afternoon and continuing through tonight into early Thursday morning. These large waves combined with above average lake levels will result in beach erosion, extremely dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, from 7 AM this morning to 10 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Portions of the Chicago lakefront bike path will likely become inundated and impassible. Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-221645- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 345 AM CDT Wed Sep 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ - Izzi
847 WHUS43 KLOT 221442 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 942 AM CDT Wed Sep 22 2021 INZ001-002-222245- /O.CON.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 942 AM CDT Wed Sep 22 2021 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Large and battering waves, will build to 14 to 18 feet, with some occasionally larger waves, later this afternoon and continue tonight into Thursday. Waves of this magnitude, combined with above average lake levels will result in potentially significant shoreline erosion, extremely dangerous conditions near the lakefront, as well as lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, through 7 PM CDT Thursday. For the Beach Hazards Statement, through late Thursday night. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-222245- /O.CON.KLOT.LS.Y.0005.000000T0000Z-210923T1500Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 942 AM CDT Wed Sep 22 2021 ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Large and battering waves, building up to 12 to 16 feet this afternoon and continuing through tonight into early Thursday morning. These large waves combined with above average lake levels will result in beach erosion, extremely dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, through 10 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Portions of the Chicago lakefront bike path will likely become inundated and impassible. Swimming conditions will be life threatening. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-222245- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 942 AM CDT Wed Sep 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
124 WHUS43 KLOT 222028 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 328 PM CDT Wed Sep 22 2021 INZ001-002-230430- /O.CON.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 328 PM CDT Wed Sep 22 2021 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Large and battering waves of 12 to 16 feet are expected tonight into Thursday. Waves of this magnitude, combined with above average lake levels will result in potentially significant shoreline erosion, extremely dangerous conditions near the lakefront, as well as lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, through 7 PM CDT Thursday. For the Beach Hazards Statement, through late Thursday night. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-230430- /O.CON.KLOT.LS.Y.0005.000000T0000Z-210923T1500Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 328 PM CDT Wed Sep 22 2021 ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Large and battering waves of 10 to 14 feet will continue tonight into early Thursday morning. These large waves combined with above average lake levels will result in beach erosion, extremely dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, through 10 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Portions of the Chicago lakefront bike path will likely become inundated and impassible. Swimming conditions will be life threatening. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-230430- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 328 PM CDT Wed Sep 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
138 WHUS43 KLOT 230136 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 836 PM CDT Wed Sep 22 2021 INZ001-002-231000- /O.CON.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 836 PM CDT Wed Sep 22 2021 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Large and battering waves of 12 to 16 feet are expected tonight into Thursday. Waves of this magnitude, combined with above average lake levels will result in potentially significant shoreline erosion, extremely dangerous conditions near the lakefront, as well as lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, through 7 PM CDT Thursday. For the Beach Hazards Statement, through late Thursday night. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-231000- /O.CON.KLOT.LS.Y.0005.000000T0000Z-210923T1500Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 836 PM CDT Wed Sep 22 2021 ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Large and battering waves of 10 to 14 feet will continue tonight into early Thursday morning. These large waves combined with above average lake levels will result in beach erosion, extremely dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, through 10 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Portions of the Chicago lakefront bike path will likely become inundated and impassible. Swimming conditions will be life threatening. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-231000- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 836 PM CDT Wed Sep 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through Thursday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
100 WHUS43 KLOT 230846 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 346 AM CDT Thu Sep 23 2021 INZ001-002-231700- /O.CON.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 346 AM CDT Thu Sep 23 2021 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Large and battering waves of 10 to 14 feet are expected this morning, subsiding gradually to 8 to 12 ft this afternoon. Waves of this magnitude, combined with above average lake levels will result in potentially significant shoreline erosion, extremely dangerous conditions near the lakefront, as well as lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, through 7 PM CDT Thursday. For the Beach Hazards Statement, through late Thursday night. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ103-104-231700- /O.CON.KLOT.LS.Y.0005.000000T0000Z-210923T1500Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 346 AM CDT Thu Sep 23 2021 ...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Large and battering waves of 8 to 11 feet will continue early this morning. These large waves combined with above average lake levels will result in beach erosion, extremely dangerous conditions at the lakefront, as well as minor lakeshore flooding. * WHERE...Northern Cook and Central Cook Counties. * WHEN...For the Lakeshore Flood Advisory, through 10 AM CDT Thursday. For the Beach Hazards Statement, through Thursday evening. * IMPACTS...Some water on low lying roads and property along the lakeshore. Portions of the Chicago lakefront bike path will likely become inundated and impassible. Swimming conditions will be life threatening. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-231700- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 346 AM CDT Thu Sep 23 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
333 WHUS43 KLOT 231510 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 1010 AM CDT Thu Sep 23 2021 ILZ103-104-232315- /O.EXP.KLOT.LS.Y.0005.000000T0000Z-210923T1500Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Northern Cook-Central Cook- 1010 AM CDT Thu Sep 23 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...LAKESHORE FLOOD ADVISORY HAS EXPIRED... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Northern Cook and Central Cook Counties. * WHEN...through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ INZ001-002-232315- /O.CON.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 1010 AM CDT Thu Sep 23 2021 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Large and battering waves of 10 to 14 feet are expected this morning, subsiding gradually to 8 to 12 ft this afternoon. Waves of this magnitude, combined with above average lake levels will result in potentially significant shoreline erosion, extremely dangerous conditions near the lakefront, as well as lakeshore flooding. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, through 7 PM CDT this evening. For the Beach Hazards Statement, through late tonight. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park are likely. Swimming conditions will be life threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-232315- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL- 1010 AM CDT Thu Sep 23 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL County. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
779 WHUS43 KLOT 232123 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 423 PM CDT Thu Sep 23 2021 INZ001-002-240015- /O.CON.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 423 PM CDT Thu Sep 23 2021 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM CDT FRIDAY... * WHAT...Large waves of 7 to 13 ft late this afternoon will gradually subside to 3 to 5 ft by early Friday morning. The threat of additional shoreline erosion and lakeshore flooding will ease early this evening as waves subside. Dangerous swimming conditions will continue into the overnight hours however. * WHERE...Lake IN and Porter Counties. * WHEN...For the Lakeshore Flood Warning, through 7 PM CDT this evening. For the Beach Hazards Statement, through late tonight. * IMPACTS...Flooding of low lying roads and property along the lakeshore and inundation of Whiting Lakefront Park will ease early this evening. Swimming conditions will continue to be life threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-240000- /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL-Northern Cook-Central Cook- 423 PM CDT Thu Sep 23 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches through early evening. Waves will gradually subside overnight. * WHERE...Northern Cook and Central Cook Counties. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
196 WHUS43 KLOT 232342 CFWLOT Lakeshore Hazard Message National Weather Service Chicago IL 642 PM CDT Thu Sep 23 2021 INZ001-002-240045- /O.EXP.KLOT.LS.W.0001.000000T0000Z-210924T0000Z/ /O.CON.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN-Porter- 642 PM CDT Thu Sep 23 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM CDT FRIDAY... ...LAKESHORE FLOOD WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... * WHAT...Subsiding waves have diminished the threat of lakeshore flooding early this evening. However, waves in excess of 5 feet will still produce dangerous currents at Lake Michigan beaches into early Friday morning. * WHERE...Lake IN and Porter Counties. * WHEN...Until 4 AM CDT Friday. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-240045- /O.EXP.KLOT.BH.S.0018.000000T0000Z-210924T0000Z/ Lake IL-Northern Cook-Central Cook- 642 PM CDT Thu Sep 23 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 7 PM CDT THIS EVENING... Waves will continue to gradually subside overnight, therefore the Beach Hazard will be allowed to expire as scheduled. $$
593 WHUS43 KLOT 240853 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 353 AM CDT Fri Sep 24 2021 INZ001-241000- /O.CAN.KLOT.BH.S.0018.000000T0000Z-210924T0900Z/ Lake IN- 353 AM CDT Fri Sep 24 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Winds and waves continue to diminish early this morning. Some lingering 2 to 4 foot waves will continue, but the threat for significant wave action and rip currents will continue to ease. $$ INZ002-241200- /O.EXT.KLOT.BH.S.0018.000000T0000Z-210924T1200Z/ Porter- 353 AM CDT Fri Sep 24 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 7 AM CDT THIS MORNING... * WHAT...Lingering high wave action and dangerous currents expected at Porter county beaches. * WHERE...Porter County. * WHEN...Until 7 AM CDT this morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Carlaw
062 WHUS43 KLOT 241212 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 712 AM CDT Fri Sep 24 2021 INZ002-241315- /O.EXP.KLOT.BH.S.0018.000000T0000Z-210924T1200Z/ Porter- 712 AM CDT Fri Sep 24 2021 ...BEACH HAZARDS STATEMENT HAS EXPIRED... Waves will continue to ease as winds turn offshore this morning. However, please continue to use caution near the water as lingering choppy and high wave action will continue for a few more hours this morning. $$
Nearby
Beach Hazards Statements in Illinois, 2021Beach Hazards Statements in Indiana, 2021Every beach hazards statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.