Gale Warning 49, NWS Chicago, IL

091 
WHUS73 KLOT 131511
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
911 AM CST TUE DEC 13 2016

LMZ080-669-671-673-675-777-779-870-872-874-876-878-132315-
/O.EXT.KLOT.GL.W.0049.161214T0900Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
911 AM CST TUE DEC 13 2016

...GALE WARNING NOW IN EFFECT FROM 3 AM WEDNESDAY TO 4 PM CST
THURSDAY...

* WINDS...GALES TO 40 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ744-745-132315-
/O.CON.KLOT.SC.Y.0094.161213T1600Z-161214T2100Z/
/O.CON.KLOT.GL.W.0049.161214T2100Z-161215T2200Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
911 AM CST TUE DEC 13 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 4 PM CST
THURSDAY...

* WINDS...TO 35 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ261-362-364-366-563-565-567-868-132315-
/O.CON.KLOT.GL.W.0049.161214T0600Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
911 AM CST TUE DEC 13 2016

...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM
CST THURSDAY...

* WINDS...GALES TO 40 TO 45 KT.

* SIGNIFICANT WAVES...TO 11 FT.

* OCCASIONAL WAVES...TO 14 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>743-132315-
/O.CON.KLOT.SC.Y.0094.161214T0600Z-161215T2200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
911 AM CST TUE DEC 13 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 4 PM CST THURSDAY...

* WINDS...TO 30 KT.

* SIGNIFICANT WAVES...TO 7 FT.

* OCCASIONAL WAVES...TO 9 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

RC

390 
WHUS73 KLOT 132206
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
406 PM CST TUE DEC 13 2016


LMZ744-745-140615-
/O.CON.KLOT.SC.Y.0094.000000T0000Z-161214T2100Z/
/O.CON.KLOT.GL.W.0049.161214T2100Z-161215T2200Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
406 PM CST TUE DEC 13 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 4 PM CST
THURSDAY...

* WINDS...TO 35 KT.

* SIGNIFICANT WAVES...TO 11 FT.

* OCCASIONAL WAVES...TO 14 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ261-362-364-366-563-565-567-868-140615-
/O.CON.KLOT.GL.W.0049.161214T0600Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
406 PM CST TUE DEC 13 2016

...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM
CST THURSDAY...

* WINDS...GALES TO 40 TO 45 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-140615-
/O.CON.KLOT.GL.W.0049.161214T0900Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
406 PM CST TUE DEC 13 2016

...GALE WARNING REMAINS IN EFFECT FROM 3 AM WEDNESDAY TO 4 PM CST
THURSDAY...

* WINDS...GALES TO 40 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>743-140615-
/O.CON.KLOT.SC.Y.0094.161214T0600Z-161215T2200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
406 PM CST TUE DEC 13 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 4 PM CST THURSDAY...

* WINDS...TO 30 KT. OCCASIONAL GALE FORCE GUSTS TO 35 KT POSSIBLE
 WEDNESDAY AFTERNOON AND EVENING.

* SIGNIFICANT WAVES...TO 7 FT.

* OCCASIONAL WAVES...TO 9 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

RC

910 
WHUS73 KLOT 140258
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
858 PM CST TUE DEC 13 2016

LMZ740>743-141100-
/O.UPG.KLOT.SC.Y.0094.161214T0600Z-161215T2200Z/
/O.EXB.KLOT.GL.W.0049.161214T1800Z-161215T2200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
858 PM CST TUE DEC 13 2016

...GALE WARNING IN EFFECT FROM NOON WEDNESDAY TO 4 PM CST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 4 PM CST
THURSDAY. THE SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. 

* WINDS...UP TO 35 KT.

* SIGNIFICANT WAVES...TO 8 FT.

* OCCASIONAL WAVES...TO 10 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ744-745-141100-
/O.EXT.KLOT.SC.Y.0094.000000T0000Z-161214T1800Z/
/O.EXT.KLOT.GL.W.0049.161214T1800Z-161215T2200Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
858 PM CST TUE DEC 13 2016

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST WEDNESDAY...
...GALE WARNING NOW IN EFFECT FROM NOON WEDNESDAY TO 4 PM CST
THURSDAY...

* WINDS...TO 40 KT.

* SIGNIFICANT WAVES...TO 11 FT.

* OCCASIONAL WAVES...TO 14 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ261-362-364-366-563-565-567-868-141100-
/O.EXT.KLOT.GL.W.0049.161214T0258Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
858 PM CST TUE DEC 13 2016

...GALE WARNING NOW IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-141100-
/O.CON.KLOT.GL.W.0049.161214T0900Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
858 PM CST TUE DEC 13 2016

...GALE WARNING REMAINS IN EFFECT FROM 3 AM WEDNESDAY TO 4 PM CST
THURSDAY...

* WINDS...GALES TO 40 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

IZZI

616 
WHUS73 KLOT 140915
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
315 AM CST WED DEC 14 2016


LMZ744-745-141715-
/O.CON.KLOT.SC.Y.0094.000000T0000Z-161214T1800Z/
/O.CON.KLOT.GL.W.0049.161214T1800Z-161215T2200Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
315 AM CST WED DEC 14 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 PM CST
THURSDAY...

* WINDS...TO 40 KT.

* SIGNIFICANT WAVES...TO 10 FT.

* OCCASIONAL WAVES...TO 13 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ261-362-364-366-563-565-567-868-141715-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
315 AM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-141715-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
315 AM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...GALES TO 40 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>743-141715-
/O.CON.KLOT.GL.W.0049.161214T1800Z-161215T2200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
315 AM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 PM CST
THURSDAY...

* WINDS...UP TO 35 KT.

* SIGNIFICANT WAVES...TO 7 FT.

* OCCASIONAL WAVES...TO 9 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

087 
WHUS73 KLOT 141554
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
954 AM CST WED DEC 14 2016

LMZ744-745-150000-
/O.CON.KLOT.SC.Y.0094.000000T0000Z-161214T1800Z/
/O.CON.KLOT.GL.W.0049.161214T1800Z-161215T2200Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
954 AM CST WED DEC 14 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...TO 40 KT.

* SIGNIFICANT WAVES...TO 11 FT.

* OCCASIONAL WAVES...TO 14 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ261-362-364-366-563-565-567-868-150000-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
954 AM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT. OCCASIONAL STORM FORCE WINDS TO 50 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-150000-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
954 AM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...GALES TO 45 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>743-150000-
/O.CON.KLOT.GL.W.0049.161214T1800Z-161215T2200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
954 AM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 40 KT.

* SIGNIFICANT WAVES...TO 7 FT.

* OCCASIONAL WAVES...TO 9 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$


RODRIGUEZ

548 
WHUS73 KLOT 142142
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
342 PM CST WED DEC 14 2016


LMZ261-362-364-366-563-565-567-868-150545-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
342 PM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-740>745-777-779-870-872-874-876-878-150545-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
342 PM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

MTF

079 
WHUS73 KLOT 150319
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
919 PM CST WED DEC 14 2016

LMZ261-362-364-366-563-565-567-868-151130-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
919 PM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-740>745-777-779-870-872-874-876-878-151130-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
919 PM CST WED DEC 14 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THURSDAY...

* WINDS...UP TO 45 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

IZZI

592 
WHUS73 KLOT 150903
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
303 AM CST THU DEC 15 2016

LMZ261-362-364-366-563-565-567-868-151715-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
303 AM CST THU DEC 15 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

* WINDS...UP TO 40 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-740>745-777-779-870-872-874-876-878-151715-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
303 AM CST THU DEC 15 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

* WINDS...UP TO 40 KT.

* SIGNIFICANT WAVES...TO 14 FT.

* OCCASIONAL WAVES...TO 18 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

969 
WHUS73 KLOT 151502
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
902 AM CST THU DEC 15 2016

LMZ744-745-152315-
/O.CAN.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
/O.NEW.KLOT.SC.Y.0095.161215T1502Z-161216T0600Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
902 AM CST THU DEC 15 2016

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE
GALE WARNING HAS BEEN CANCELLED. 

* WINDS...UP TO 30 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ740>743-152315-
/O.CAN.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
/O.NEW.KLOT.SC.Y.0095.161215T1502Z-161216T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
902 AM CST THU DEC 15 2016

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE
GALE WARNING HAS BEEN CANCELLED. 

* WINDS...UP TO 30 KT.

* SIGNIFICANT WAVES...TO 9 FT.

* OCCASIONAL WAVES...TO 11 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-151615-
/O.CAN.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
902 AM CST THU DEC 15 2016

...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE GALE
WARNING. 

WINDS CONTINUE TO DIMINISH BELOW GALE FORCE THIS MORNING.
THEREFORE THE GALE WARNING HAS BEEN CANCELLED.

$$

LMZ261-362-364-366-563-565-567-868-152200-
/O.CON.KLOT.GL.W.0049.000000T0000Z-161215T2200Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
902 AM CST THU DEC 15 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

* WINDS...UP TO 40 KT.

* SIGNIFICANT WAVES...TO 12 FT.

* OCCASIONAL WAVES...TO 15 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

RATZER

468 
WHUS73 KLOT 152123
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
323 PM CST THU DEC 15 2016

LMZ261-362-364-366-563-565-567-868-160000-
/O.EXT.KLOT.GL.W.0049.000000T0000Z-161216T0000Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
323 PM CST THU DEC 15 2016

...GALE WARNING NOW IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WINDS...UP TO 35 KT.

* SIGNIFICANT WAVES...TO 8 FT.

* OCCASIONAL WAVES...TO 10 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ744-745-160530-
/O.CON.KLOT.SC.Y.0095.000000T0000Z-161216T0600Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
323 PM CST THU DEC 15 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WINDS...UP TO 25 KT.

* SIGNIFICANT WAVES...TO 7 FT.

* OCCASIONAL WAVES...TO 9 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LMZ740>743-160000-
/O.CON.KLOT.SC.Y.0095.000000T0000Z-161216T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
323 PM CST THU DEC 15 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WINDS...UP TO 25 KT.

* SIGNIFICANT WAVES...TO 6 FT.

* OCCASIONAL WAVES...TO 8 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

000 
WHUS73 KLOT 152358
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
558 PM CST THU DEC 15 2016

LMZ261-362-364-366-563-565-567-868-160100-
/O.EXP.KLOT.GL.W.0049.000000T0000Z-161216T0000Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF LAKE-
558 PM CST THU DEC 15 2016

...GALE WARNING WILL EXPIRE AT 6 PM CST THIS EVENING...

$$

LMZ740>743-160100-
/O.EXP.KLOT.SC.Y.0095.000000T0000Z-161216T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
558 PM CST THU DEC 15 2016

...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...


$$

LMZ744-745-160600-
/O.CON.KLOT.SC.Y.0095.000000T0000Z-161216T0600Z/
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
558 PM CST THU DEC 15 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WINDS...UP TO 25 KT.

* SIGNIFICANT WAVES...TO 7 FT.

* OCCASIONAL WAVES...TO 9 FT.

* ADDITIONAL...MODERATE FREEZING SPRAY THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

IZZI

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
1144 PM CST Mon Dec 12 2016

.UPDATE...
956 PM CST

Evening Update..

Several adjustments to overnight and early Tuesday morning
portions of the forecast made this evening. Most notable are some
changes in timing/axis of light snow later tonight, with a
slightly slower arrival and a track a little further south into
the I-88 corridor through sunrise Tuesday. Given this have also
lingered light snow early Tuesday morning across northwest IN and
east central IL a little longer than previous. Also, based on obs
trends have lowered temps across snow pack this evening, with
temps rising a bit overnight as clouds and weak south- southwest
wind develops in advance of approaching front.

00Z upper air analysis depicts a large upper trough across much
of Canada and the northern Plains. Several little speed maxima
noted within quick west-northwesterly flow within the southern
periphery of the big trough, with a couple of very small amplitude
short-wave features evident in vapor/IR imagery propagating
through the mid-Missouri toward our region. Looking at some of the
recent high-res guidance (HRRR/RAP/4km WRF) suggests that
isentropic upglide around the 290 K theta surface works to
saturate mid-levels across the area overnight, though condensation
pressure deficits appear to struggle to get below 10 mb. Combined
with dry low levels noted in DVN 00Z sounding below about 600 mb
suggest saturation/precip development may struggle. Hourly high-
res guidance has caught on to this, slowing development of precip
per simulated reflectivity depictions. Trend in HRRR/RAP runs and
supported by the 00Z 12/4km WRFs is the development of an axis of
light precip (snow) more along the I-88 corridor from the Quad
Cities into the Chicago area during the post-midnight hours. QPF
amounts are pretty minimal (generally trace to a few hundredths)
which seems appropriate given saturation issues. Did rework the
hourly pops and qpf axes based on these model solutions, which
effectively lowers the inch amounts previously expected closer to
the IL/WI border. May be tough to even get an inch, but could
happen somewhere along aforementioned band especially closer to
Chicago and the south/southeast side toward morning.

As indicated above, temps crashed (1 above at Rochelle at 7 pm)
over fresh snow pack and under clear skies. Have adjusted mins
lower in areas west of Chicago based on these obs, though temps
already rising a bit as mid/high clouds begin to spread in from
the west and light south wind develops. Also added a mention of
patchy through the rest of the evening southwest/south of Chicago
where temp/dew point spreads have decreased and fog has been
observed. Fog should dissipate with arrival of cloud cover after
midnight.

Digital/text forecasts updated and available.

Ratzer

&&

.SHORT TERM...
154 PM CST

Through Tuesday...

Forecast focus is on a brief quick hitting snow overnight tonight
for some areas, then on the initial stages of our very cold
temperatures/wind chills that will take up residence across our
region this week and only get colder.

Several weak lobes of energy will rotate east around the base of
the very cold upper low across central Canada, the source of our
very cold airmass. The first of these will come through
overnight. Forecast soundings indicate fairly steep lapse rates
aloft and very good lift right in the prime dendritic growth zone
in the warm advective wing ahead of this wave. Hi- res guidance
including the RAP/HRRR/Several HopWRF members and NAM all depict
QPF with this wave, beginning late this evening across north
central Illinois, then spreading east after midnight across the
remainder of the area. Cobb output indicates 14-18:1 ratios with
this dry snowfall, and while QPF is not high, NAM QPF output for
ORD of only 0.07 lays down a quick inch of snow. The RAP even
shows over 0.1 inches of QPF across the WI border that could
quickly put down and inch or so. The focus of guidance is I-88
north, though it is possible for some lighter snows farther south.
Fortunately for Tuesday morning commuters this looks to fall
largely overnight and would not be a lot of snow given how fast
the wave will be, but could certainly be a nuisance to start the
day in some areas with cold ground easily allowing snow to stick
and could catch early commuters. All that said, feel like for
many areas moisture will be lacking where this shouldn't be too
big of a deal.

Monday morning we had a little cold surge behind our weekend snow,
and behind this, we get round two as slightly colder air filters
southeast, with more significant cold coming in the the next few
days. It will feel very cold with another stiff NW wind in the
morning as the pressure gradient will again tighten between the
high in the plains and this weaker surface feature. Temperatures
will hold in the teens for most locations with 20s far south and
east. In spite of some clearing, temperatures will warm very
little and will likely fall with the cold advection in place. Area
wide wind chills will be from the single digits below zero in
north central IL to single digits above SE, reaching negative
double digits in some locations by sunset.

KMD

&&

.LONG TERM...
315 PM CST

Tuesday night through Monday...

An active and cold pattern more representative of mid-winter will
continue through at least the next 7-10 days. An impressive and
deep lobe of polar air will extend into central Canada and the
Great Lakes/Midwest regions Tuesday night through Thursday. The
500mb heights are forecast by the GFS/EC to be around 475dm and
temperatures at that level near -50C. Those are at record lows
for this time of year per reanalysis over a large part of Ontario
and the northern Great Lakes.

Needless to say, the pattern will favor stout cold advection
followed by near-record cold for mid-December (see Climate AFD
below for more on that aspect). Tuesday night will see
temperatures to near zero across much of north central Illinois by
mid evening already. Some high clouds and increasing winds
overnight may cause temperatures to slowly inch upward. But that's
of little significance, as the true arctic front will advance
through Wednesday, with 850mb temperatures dropping from around
-12C to -22C in about 9 hours. This will likely result in
afternoon surface temperatures dropping back into the single
digits. Sometimes with such a front there is brief shallow but
robust snow showers, and cannot rule out guidance is missing that
potential, but as of right now it looks like a dry passage.

Winds will increase to 10 to 20 mph with even higher gusts during
Wednesday afternoon into the evening. Combined with falling
temperatures it looks like at least northern parts of the area
would drop into Wind Chill Advisory criteria (<= -20F) into
Thursday morning. With the west-northwest winds at 10 to 15 mph
through Thursday, the cold advection over the snow pack here and
upstream will keep temperatures from rebounding hardly at all.
Have readings forecast in the single digits across the snow-
covered portion of the CWA.

Broad arctic high pressure of 1035 mb is forecast to migrate
quickly southeast across the Missouri River Valley as a strong
northwest jet keeps the pattern moving. Thursday evening has some
signs that it could see temperatures drop fast to several degrees
below zero even by 8-9 pm before a slight rebound overnight as
clouds move in. Too far away yet to tell when clouds will move in
and how quickly and low the wind will drop.

Attention then turns to a large system favored over the middle of
the country during Friday into Saturday. One part of the upper
wave driving this is presently off the British Columbia shore and
is still a couple days from moving onshore the Pacific northwest,
but another driving force is a polar-origin wave dropping out of
Canada. How those phase/interact and how they strengthen/undulate
what should already be an impressive baroclinic zone across the
Plains and south of our CWA, is just too far away to say for
certain. The signal though in guidance and their ensembles for a
widespread modest to high QPF event across the Midwest has been
shown for numerous runs over several days now.

Of note for precipitation type, the cold air mass for midweek and
the snow cover helping to lock it to not modify, will be difficult
to moderate ahead of the low...that is if the low ends up this far
north. There has been a southward trend in the ECMWF over the
past 24 hours and would not be surprised to see other guidance
like the GFS trend slightly further south in time given the
significant cold forecast to push south midweek. This is key
because on recent runs of the GFS there would be freezing rain
concerns over the snow pack, including as far north as our
northern CWA. Have leaned more toward the EC, though do now have
at least a mention of freezing rain in the southeast third of the
forecast area. Again though, uncertainty factors are high given
the guidance spread and a likely robust thermal gradient aloft and
one possibly near or just north of the the snow cover edge.

The potential for an accumulating snow, possibly significant,
would be the higher threat with a south system track. Have likely
snow mentioned for several periods in our north for Friday and
Saturday, but the speed of the system too remains highly
uncertain, so it may be less duration. Temperatures then look to
take another dive behind this system. Depending on the
track/orientation, lake effect snow could be a concern into
northwest Indiana for the rest of the weekend. Plenty to keep our
eyes on later this week.

MTF

&&

.CLIMATE...
300 PM CST

The high temperatures for Thursday, December 15 are forecast to
remain in the single digits across the area. For Rockford, the
current forecast is for a record cold high, as the current record
is 9 degrees set in 1932. The record for Chicago is not forecast
to be broke, as it is a very cold -2 in 1901.

For Rockford, the last time a high below 10 degrees occurred on
or before December 15th was December 10, 2009 (only time since
2000). For Chicago, it has not occurred since December 11, 1995.

Record daily low temperatures are presently not forecast.

MTF

&&

.AVIATION...
For the 06Z TAFs...

A weak upper wave will move across the area overnight into Tuesday
morning with a period of light snow expected. Confidence regarding
where this light snow occurs as well as visibilities is low. Short
term guidance continues to show the light snow developing right
over the terminals in the predawn hours and then shifting to the
southeast around/shortly after sunrise. Adjusted timing by a few
hours based on these latest trends but some further adjustments
may be needed. Lowest confidence is at rfd which may now end up
being north of where any light snow develops. This precip will end
shortly after sunrise with the rest of Tuesday expected to be
dry.

Light southerly winds will turn more southwesterly overnight and
then shift to the northwest behind a cold front that will move
across the area Tuesday morning. Speeds will increase to 10-15kts
with gusts to 20kts during the morning. These winds will turn back
westerly and slowly diminish during the afternoon. cms

&&

.MARINE...
327 PM CST

West winds will continue across the lake tonight and become
slightly northwest by Wednesday and increase in speed. This will
support Small Craft Advisory conditions across the northwest
Indiana shore. An arctic cold front will advance southeast across
the lake late Tuesday night into early Wednesday, supporting
northwest gales. These presently look to peak around 40 kt though
cannot rule out some higher gusts. These gales look to persist
through early Thursday. The first freezing spray concern of the
season looks to develop as the colder air accompanies the gales.
Another gale event is possible during the weekend as a strong low
pressure tracks northeast across the mid-section of the country.

MTF

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
IN...NONE.
LM...Small Craft Advisory...LMZ744-LMZ745...10 AM Tuesday TO 3 AM
     Wednesday.

     Gale Watch...LMZ777-LMZ779...3 AM Wednesday TO NOON Thursday.

&&

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSCHICAGO
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WWW.YOUTUBE.COM/NWSCHICAGO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
407 PM CST MON DEC 12 2016

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
132215-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
407 PM CST MON DEC 12 2016 /507 PM EST MON DEC 12 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

  LIMITED EXCESSIVE COLD RISK.
  ELEVATED SNOW RISK.

DISCUSSION:

LIGHT SNOW IS EXPECTED TO SPREAD INTO NORTH CENTRAL ILLINOIS LATE
THIS EVENING...AND INTO NORTHEAST ILLINOIS AND NORTHWEST INDIANA
SHORTLY AFTER MIDNIGHT. SNOWFALL AMOUNTS ARE EXPECTED TO BE UP TO
AN INCH NORTH OF THE INTERSTATE 88 CORRIDOR ACROSS NORTHERN ILLINOIS
WITH LITTLE OR NO ACCUMULATION AS FAR SOUTH AS INTERSTATE 80. SNOW
SHOULD END BY SUNRISE IN MOST AREAS...OR VERY SHORTLY AFTERWARD IN
PARTS OF NORTHWEST INDIANA.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

TUESDAY...
  ELEVATED EXCESSIVE COLD RISK.
WEDNESDAY AND THURSDAY...
  SIGNIFICANT EXCESSIVE COLD RISK.
FRIDAY...
  LIMITED EXCESSIVE COLD RISK.
  LIMITED ICE ACCUMULATION RISK.
SATURDAY...
  ELEVATED EXCESSIVE COLD RISK.
  ELEVATED SNOW RISK.
  LIMITED ICE ACCUMULATION RISK.
SUNDAY...
  SIGNIFICANT EXCESSIVE COLD RISK.

DISCUSSION:

ARCTIC COLD WILL SPREAD ACROSS THE MIDWEST THROUGH THE MIDDLE OF
THE WEEK...WITH THE COLDEST AIR OVER THE REGION FROM LATE WEDNESDAY
THROUGH FRIDAY MORNING. BLUSTERY WEST WINDS WILL ACCOMPANY THE COLD
AND WILL PRODUCE DANGEROUS SUB-ZERO WIND CHILLS. THURSDAY NIGHT AND
THURSDAY MORNING WILL LIKELY SEE THE COLDEST WIND CHILLS TO AROUND
20 BELOW ZERO ACROSS PORTIONS OF THE OUTLOOK AREA.

A STORM COULD PRODUCE A SIGNIFICANT AMOUNT OF PRECIPITATION FROM
FRIDAY THROUGH THE DAY SATURDAY. DEPENDING UPON THE TRACK OF THIS
STORM...THE POTENTIAL APPEARS TO EXIST FOR ACCUMULATING SNOW...IN
ADDITION TO A SWATH OF MIXED SNOW...SLEET OR FREEZING RAIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

LMZ740>745-132215-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
407 PM CST MON DEC 12 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

TUESDAY...
  HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
WEDNESDAY...
  GALE FORCE WINDS OR VERY HAZARDOUS WAVES ARE LIKELY.
THURSDAY THROUGH SUNDAY...
  HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.

&&

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-132215-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
407 PM CST MON DEC 12 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

WEST TO NORTHWEST GALES ARE EXPECTED FROM LATE TUESDAY NIGHT
THROUGH ABOUT MIDDAY THURSDAY. FREEZING SPRAY IS LIKELY DURING
THIS SAME PERIOD.

&&

RATZER

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