146  
SXUS83 KAPX 230908  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
508 AM EDT SUN AUG 23 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 230850Z 350 20 23 GRAND MARAIS  
GRMM4 230850Z 350 20 23 GRAND MARAIS  
PTIM4 230830Z 310 16 19 POINT IROQUOIS  
CYAM 230800Z 330 11 16 SOO (CANADA)  
KANJ 230855Z 320 6 SAULT STE MARIE  
SWPM4 230830Z 310 6 7 68.71 S.W. PIER  
LTRM4 230830Z 330 8 10 63.31 LITTLE RAPIDS  
RCKM4 230830Z 300 5 9 67.99 ROCK CUT  
WNEM4 230830Z 300 10 12 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 230830Z 320 8 15 63.14 DETOUR VILLAGE  
KDRM 230855Z 300 3 DRUMMOND ISLAND  
KMCD 230855Z 320 9 MACKINAC ISLAND  
MACM4 230830Z 320 9 16 69.44 MACKINAC CITY  
KSLH 230855Z 320 9 CHEBOYGAN AIRPORT  
CYGM4 230905Z 330 18 29 CHEBOYGAN MARINA  
KPZQ 230855Z 320 10 17 ROGERS CITY  
PRIM4 230850Z 300 18 25 PRESQUE ISLE LIGHT  
KAPN 230854Z 290 6 ALPENA GUARD BASE  
SPTM4 230850Z 300 6 17 STURGEON POINT LIGHT  
KOSC 230837Z 310 7 OSCODA  
TAWM4 230740Z 300 6 11 TAWAS POINT  
GSLM4 230840Z 290 18 24 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 230855Z 310 7 MANISTIQUE  
PNLM4 230830Z 330 5 7 67.99 PORT INLAND  
NABM4 230840Z 330 8 12 NAUBINWAY  
KSJX 230855Z 350 6 14 ST JAMES  
KPLN 230854Z 310 8 PELLSTON  
KMGN 230855Z 300 5 HARBOR SPRINGS  
KCVX 230855Z 340 14 17 CHARLEVOIX  
GTLM4 230840Z 360 16 22 GRAND TRAVERSE LIGHT  
KTVC 230853Z 310 8 TRAVERSE CITY  
KFKS 230855Z 340 7 FRANKFORT  
BSBM4 230840Z 340 14 19 BIG SABLE POINT  
LDTM4 230830Z 320 4 8 LUDINGTON  
KLDM 230855Z 330 3 LUDINGTON AIRPORT  
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