581  
SXUS83 KAPX 071738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 PM EDT TUE OCT 7 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 071640Z 270 12 14 GRAND MARAIS  
PTIM4 071700Z 270 3 7 POINT IROQUOIS  
CYAM 071700Z 270 7 SOO (CANADA)  
SWPM4 071700Z 250 8 12 60.79 S.W. PIER  
LTRM4 071700Z 270 6 11 59.18 LITTLE RAPIDS  
RCKM4 071700Z 320 10 12 59.54 ROCK CUT  
WNEM4 071700Z 330 7 12 59.71 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 071700Z 10 6 8 61.16 DETOUR VILLAGE  
KDRM 071715Z 270 5 DRUMMOND ISLAND  
KMCD 071715Z 270 15 MACKINAC ISLAND  
MACM4 071700Z 290 9 14 61.69 MACKINAC CITY  
KSLH 071716Z 320 12 16 CHEBOYGAN AIRPORT  
CYGM4 071725Z 310 16 21 CHEBOYGAN MARINA  
SRLM4 071500Z 260 10 SPECTACLE REEF LIGHT  
KPZQ 071715Z 340 7 ROGERS CITY  
PRIM4 071650Z 290 9 21 PRESQUE ISLE LIGHT  
APNM4 071720Z 310 5 8 ALPENA HARBOR LIGHT  
TBIM4 071700Z 330 4 8 THUNDER BAY ISLAND  
SPTM4 071650Z 330 5 16 STURGEON POINT LIGHT  
KOSC 071715Z 340 7 OSCODA  
KOSC 071715Z 340 7 OSCODA  
GSLM4 071640Z 330 12 13 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 071715Z 180 7 MANISTIQUE  
PNLM4 071700Z 230 12 13 64.94 PORT INLAND  
NABM4 071640Z 230 5 8 NAUBINWAY  
KSJX 071715Z 250 10 ST JAMES  
KPLN 071654Z 310 14 18 PELLSTON  
KMGN 071715Z 240 7 HARBOR SPRINGS  
KCVX 071715Z 290 11 CHARLEVOIX  
NMIM4 071628Z 330 1 6 NORTH MANITOU ISLAND  
GTLM4 071640Z 290 6 8 GRAND TRAVERSE LIGHT  
KFKS 071715Z 360 8 FRANKFORT  
BSBM4 071640Z 340 8 12 BIG SABLE POINT  
LDTM4 071700Z 310 5 8 LUDINGTON  
KLDM 071715Z 330 12 LUDINGTON AIRPORT  
 
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