843  
WHUS73 KDLH 191441  
MWWDLH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DULUTH MN  
941 AM CDT SUN MAY 19 2013  
   
..INCREASING NORTHEAST WINDS TODAY
 
 
.A LARGE AND VERY SLOW MOVING LOW PRESSURE SYSTEM WILL AFFECT THE  
LAKE SUPERIOR REGION FOR MUCH OF THE WEEK. NORTHEAST WINDS WILL  
INCREASE AS THE LOW PRESSURE SYSTEM STRENGTHENS TODAY...WITH  
WINDS REACHING INTO THE 20 TO 25 KNOT RANGE BY THIS AFTERNOON. BY  
TONIGHT THERE MAY EVEN BE SOME GALE FORCE GUSTS AROUND 35 KNOTS.  
THE STRONG WINDS WILL LIKELY LAST THE FULL SPAN OF THE NEARSHORE  
MARINE FORECAST AND LIKELY BEYOND THAT TIME AS WELL. THESE  
CONDITIONS WILL BRING BUILDING WAVES AND SMALL CRAFT WILL LIKELY  
FIND HAZARDOUS WINDS AND WAVES.  
 
LSZ121-140>148-192200-  
/O.CON.KDLH.SC.Y.0026.130519T1500Z-130521T1000Z/  
BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN-  
GRAND MARAIS TO TACONITE HARBOR MN-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-  
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-  
SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-  
941 AM CDT SUN MAY 19 2013  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM CDT  
TUESDAY...  
 
* WINDS...NORTHEAST WINDS WILL INCREASE TO 20 TO 25 KNOTS  
TODAY...AND 30 KNOTS TONIGHT. SOME GALE FORCE WIND GUSTS TO 35  
KNOTS WILL ALSO BE LIKELY BY TONIGHT.  
 
* WAVES/SEAS...WAVE HEIGHTS WILL BUILD TO 3 TO 6 FEET TODAY... AND  
AS HIGH AS 8 TO 10 FEET BY MONDAY. HIGHEST WAVES WILL BE ALONG  
THE SOUTH SHORE OF LAKE SUPERIOR.  
 
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.  
 

 
 

 
 
MELDE  
 
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