977  
SXUS83 KAPX 250738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
338 AM EDT FRI JUL 25 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 250650Z 150 3 GRAND MARAIS  
WFPM4 250640Z 300 3 5 WHITEFISH POINT  
PTIM4 250700Z 300 6 11 POINT IROQUOIS  
CYAM 250700Z 300 4 SOO (CANADA)  
KANJ 250719Z 280 3 SAULT STE MARIE  
SWPM4 250700Z 280 7 8 66.37 S.W. PIER  
LTRM4 250700Z 240 1 2 60.07 LITTLE RAPIDS  
RCKM4 250700Z 300 5 6 67.28 ROCK CUT  
WNEM4 250700Z 300 7 9 60.61 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 250700Z 300 2 5 64.76 DETOUR VILLAGE  
KDRM 250715Z CALM DRUMMOND ISLAND  
KMCD 250715Z 280 7 MACKINAC ISLAND  
MACM4 250700Z 310 4 7 68.54 MACKINAC CITY  
KSLH 250715Z 290 4 CHEBOYGAN AIRPORT  
CYGM4 250725Z 240 6 CHEBOYGAN MARINA  
SRLM4 250600Z 300 12 SPECTACLE REEF LIGHT  
KPZQ 250715Z 280 3 ROGERS CITY  
PRIM4 250650Z 290 10 11 PRESQUE ISLE LIGHT  
KAPN 250654Z 320 3 ALPENA GUARD BASE  
APNM4 250720Z 320 5 7 ALPENA HARBOR LIGHT  
TBIM4 250700Z 340 2 5 THUNDER BAY ISLAND  
SPTM4 250650Z 340 1 7 STURGEON POINT LIGHT  
KOSC 250715Z 340 5 OSCODA  
GSLM4 250640Z 310 9 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 250715Z CALM MANISTIQUE  
PNLM4 250700Z 340 3 66.37 PORT INLAND  
NABM4 250640Z 320 2 3 NAUBINWAY  
KSJX 250715Z 130 2 ST JAMES  
KPLN 250654Z 280 4 PELLSTON  
KMGN 250715Z CALM HARBOR SPRINGS  
NMIM4 250628Z 330 3 4 NORTH MANITOU ISLAND  
GTLM4 250640Z 30 6 7 GRAND TRAVERSE LIGHT  
KTVC 250653Z 350 4 TRAVERSE CITY  
KFKS 250715Z 20 3 FRANKFORT  
MEEM4 250640Z CALM 4 MANISTEE HARBOR  
BSBM4 250640Z 20 9 10 BIG SABLE POINT  
LDTM4 250700Z 20 3 4 LUDINGTON  
KLDM 250715Z 10 4 LUDINGTON AIRPORT  
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