690  
WHUS73 KMKX 182111  
MWWMKX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
311 PM CST FRI JAN 18 2019  
   
..INCREASING NORTHEAST WINDS AND WAVES TONIGHT
 
 
.NORTHEAST WINDS DEVELOPING BY LATE AFTERNOON WILL INCREASE AND  
CAUSE BUILDING WAVES TONIGHT. THE GUSTY WINDS WILL PERSIST  
THROUGH SATURDAY EVENING, WITH HIGH WAVES IN THE NEAR SHORE  
WATERS LINGERING INTO EARLY SUNDAY.  
 
GUSTY WINDS AND COLD TEMPERATURES WILL CAUSE HEAVY FREEZING SPRAY  
AT TIMES ACROSS THE NORTHERN HALF OF THE OPEN WATERS ON SATURDAY  
INTO SUNDAY.  
 
LMZ261-362-364-366-563-565-567-868-190515-  
/O.NEW.KMKX.UP.W.0001.190119T1200Z-190120T1800Z/  
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5NM  
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 5NM OFFSHORE-  
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI 5NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5NM OFFSHORE TO MID  
LAKE-  
311 PM CST FRI JAN 18 2019  
 
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 6 AM SATURDAY TO  
NOON CST SUNDAY...  
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A  
HEAVY FREEZING SPRAY WARNING...WHICH IS IN EFFECT FROM 6 AM  
SATURDAY TO NOON CST SUNDAY.  
 
* FREEZING SPRAY: HEAVY FREEZING SPRAY IS EXPECTED AT TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS  
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN  
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT  
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS  
NOT PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE  
WARNING AREA.  
 

 
 

 
 
LMZ643-644-190515-  
/O.CON.KMKX.SC.Y.0007.190119T0300Z-190120T1600Z/  
SHEBOYGAN TO PORT WASHINGTON WI-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
311 PM CST FRI JAN 18 2019  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING  
TO 10 AM CST SUNDAY...  
 
* WINDS: NORTHEAST 15 TO 20 KT WITH GUSTS UP TO 25 KT DEVELOPING  
THIS EVENING. HIGHEST WIND GUSTS UP TO 30 KT ARE EXPECTED  
SATURDAY MORNING THROUGH SATURDAY AFTERNOON. WINDS WILL DIMINISH  
TO 10 TO 20 KT BY LATE SATURDAY NIGHT.  
 
* WAVES: 2 TO 4 FEET THIS EVENING BUILDING TO 5 TO 8 FEET LATE  
TONIGHT, THEN SUBSIDING SUNDAY 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.  
 

 
 

 
 
LMZ645-646-190515-  
/O.CON.KMKX.SC.Y.0007.190119T0300Z-190120T2100Z/  
NORTH POINT LIGHT TO WIND POINT WI-  
WIND POINT WI TO WINTHROP HARBOR IL-  
311 PM CST FRI JAN 18 2019  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING  
TO 3 PM CST SUNDAY...  
 
* WINDS: NORTHEAST 15 TO 20 KT WITH GUSTS UP TO 25 KT DEVELOPING  
THIS EVENING. HIGHEST WIND GUSTS UP TO 30 KT ARE EXPECTED  
SATURDAY MORNING THROUGH SATURDAY AFTERNOON. WINDS WILL DIMINISH  
TO 10 TO 20 KT BY LATE SATURDAY NIGHT.  
 
* WAVES: 2 TO 4 FEET THIS EVENING BUILDING TO 6 TO 8 FEET LATE  
TONIGHT, THEN SUBSIDING LATER SUNDAY.  
 
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.  
 

 
 

 
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