791 

WHUS53 KLOT 111320

SMWLOT

LMZ740>742-777-779-111515-

/O.NEW.KLOT.MA.W.0001.250311T1320Z-250311T1515Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Chicago/Romeoville

820 AM CDT Tue Mar 11 2025



The National Weather Service in Chicago has issued a



* Special Marine Warning for...



  Nearshore Waters from Winthrop Harbor to Calumet Harbor...

  Open Waters from Winthrop Harbor to Michigan City out to Mid

Lake...



* Until 1015 AM CDT.



* At 819 AM CDT, a front was located along a line extending from 6 nm

  southwest of Milwaukee to 7 nm northeast of Winthrop Harbor to 28 

  nm northwest of St. Joseph Light, moving south at 35 knots. 

  Mariners can expect winds to increase sharply out of the north to 

  northeast as the front passes with winds briefly gusting to near 

  40 knots. 



  HAZARD...Wind gusts to 40 knots.



  SOURCE...Buoy.



  IMPACT...Small craft could be damaged in briefly higher winds and 

           suddenly higher waves.



* Locations impacted include...

  Harrison-Dever Crib, Burnham Harbor, Wilmette Harbor, Jackson Park

  Harbor, 31st Street Harbor, Monroe Harbor, Belmont Harbor, Calumet

  Harbor, 59th Street Marina, Winthrop Harbor, Montrose Harbor, and

  Diversy Harbor.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek safe shelter, mariners can expect gusty winds and increasing

waves.



&&



LAT...LON 4246 8702 4213 8696 4189 8697 4173 8753

      4183 8760 4189 8762 4189 8760 4190 8762

      4206 8767 4214 8775 4227 8783 4248 8780

TIME...MOT...LOC 1319Z 346DEG 33KT 4296 8804 4254 8765 4246 8694 



HAIL...0.00IN

WIND...40KTS



$$



Carlaw






136 

FZUS73 KLOT 111358

MWSLOT



Marine Weather Statement

National Weather Service Chicago/Romeoville

858 AM CDT Tue Mar 11 2025



LMZ740>742-777-779-111515-

/O.CON.KLOT.MA.W.0001.000000T0000Z-250311T1515Z/

858 AM CDT Tue Mar 11 2025



...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT...



For the following areas...



  Nearshore Waters from Winthrop Harbor to Calumet Harbor...

  Open Waters from Winthrop Harbor to Michigan City out to Mid

Lake...



At 857 AM CDT, a front was located along a line extending from 10 nm

west of Pleasant Prairie to near Montrose Harbor to 12 nm north of 

New Buffalo, moving south at 35 knots. Mariners can expect winds to 

increase sharply out of the north to northeast as the front passes. 

A 41 knot gust was recorded at the Waukegan Airport with the front. 



HAZARD...Wind gusts to 40 knots.



SOURCE...Buoy and land-based observations.



IMPACT...Small craft could be damaged in briefly higher winds and 

         suddenly higher waves.



Locations impacted include...

Harrison-Dever Crib, Burnham Harbor, Wilmette Harbor, Jackson Park

Harbor, 31st Street Harbor, Monroe Harbor, Belmont Harbor, Calumet

Harbor, 59th Street Marina, Winthrop Harbor, Montrose Harbor, and

Diversy Harbor.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Seek safe shelter...mariners can expect gusty winds and increasing

waves.



&&



LAT...LON 4246 8702 4213 8696 4189 8697 4173 8753

      4183 8760 4189 8762 4189 8760 4190 8762

      4206 8767 4214 8775 4227 8783 4248 8780

TIME...MOT...LOC 1357Z 348DEG 33KT 4249 8810 4200 8763 4198 8683 



HAIL...0.00IN

WIND...40KTS



$$



Carlaw