119  
FZUS73 KDLH 161515  
MWSDLH  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE DULUTH MN  
1015 AM CDT SAT AUG 16 2025  
 
LSZ121-141>143-146>148-150-162-161615-  
1015 AM CDT SAT AUG 16 2025  
   
..STRONG THUNDERSTORMS OVER THE WATERS  
 
THE AREAS AFFECTED INCLUDE...  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI...  
GRAND MARAIS TO TACONITE HARBOR MN...  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE  
MN BEYOND 5NM...  
OAK POINT TO SAXON HARBOR WI...  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND...  
PORT WING TO SAND ISLAND WI...  
SAND ISLAND TO BAYFIELD WI...  
SILVER BAY HARBOR TO TWO HARBORS MN...  
TACONITE HARBOR TO SILVER BAY HARBOR MN...  
 
AT 1014 AM CDT, DOPPLER RADAR INDICATED STRONG THUNDERSTORMS, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS. THESE THUNDERSTORMS WERE  
LOCATED ALONG A LINE EXTENDING FROM SPLIT ROCK LIGHTHOUSE TO NEAR  
YORK ISLAND TO 16 NM SOUTHEAST OF OAK POINT, MOVING NORTHEAST AT 30  
KNOTS.  
 
STRONG THUNDERSTORMS WILL BE NEAR...  
BEAVER BAY, SILVER BAY MARINA AND ORE DOCK, OAK ISLAND, DEVILS  
ISLAND, MADELINE ISLAND, SOUTH TWIN ISLAND, IRONWOOD ISLAND,  
MANITOU ISLAND, HERMIT ISLAND, AND ROCKY ISLAND AROUND 1020 AM  
CDT.  
CAT ISLAND AND NORTH TWIN ISLAND AROUND 1025 AM CDT.  
OUTER ISLAND AROUND 1030 AM CDT.  
 
OTHER LOCATIONS IMPACTED BY STRONG THUNDERSTORMS INCLUDE ROCKY  
ISLAND, IRONWOOD ISLAND, BASSWOOD ISLAND, MARBLE POINT, SAXON HARBOR,  
STOCKTON ISLAND, CAT ISLAND, MANITOU ISLAND, SOUTH TWIN ISLAND, AND  
NORTH TWIN ISLAND.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS CAN EXPECT GUSTY WINDS TO AROUND 30 KNOTS, LOCALLY HIGHER  
WAVES, AND LIGHTNING STRIKES. BOATERS SHOULD SEEK SAFE HARBOR  
IMMEDIATELY UNTIL THESE STORMS PASS.  
 
 
 
LAT...LON 4657 9058 4659 9062 4682 9085 4690 9080  
4693 9086 4692 9095 4698 9101 4712 9153  
4741 9117 4758 9088 4766 9071 4743 9011  
4731 9001 4666 9044 4657 9043 4656 9041  
 
 
 
UNRUH  
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