840  
SXUS83 KAPX 060738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
338 AM EDT THU AUG 6 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 060650Z 200 9 12 GRAND MARAIS  
GRMM4 060650Z 200 9 12 GRAND MARAIS  
PTIM4 060700Z 260 3 6 POINT IROQUOIS  
CYAM 060700Z CALM SOO (CANADA)  
KANJ 060655Z 290 3 SAULT STE MARIE  
SWPM4 060700Z 300 2 3 67.28 S.W. PIER  
LTRM4 060700Z 300 2 60.61 LITTLE RAPIDS  
RCKM4 060700Z 280 2 67.64 ROCK CUT  
WNEM4 060700Z CALM 1 62.59 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 060700Z 300 4 6 65.29 DETOUR VILLAGE  
KDRM 060715Z CALM DRUMMOND ISLAND  
KMCD 060715Z 280 5 MACKINAC ISLAND  
MACM4 060700Z 300 4 69.97 MACKINAC CITY  
KSLH 060715Z 240 2 CHEBOYGAN AIRPORT  
CYGM4 060730Z 260 6 7 CHEBOYGAN MARINA  
KPZQ 060715Z 280 2 ROGERS CITY  
PRIM4 060650Z 300 1 8 PRESQUE ISLE LIGHT  
KAPN 060725Z 290 3 ALPENA GUARD BASE  
APNM4 060720Z 330 4 6 ALPENA HARBOR LIGHT  
TBIM4 060700Z 340 4 7 THUNDER BAY ISLAND  
SPTM4 060650Z CALM STURGEON POINT LIGHT  
KOSC 060715Z CALM OSCODA  
TAWM4 060640Z 240 1 3 TAWAS POINT  
GSLM4 060640Z 220 4 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 060715Z 330 2 MANISTIQUE  
PNLM4 060700Z 350 2 3 67.64 PORT INLAND  
NABM4 060640Z CALM 1 NAUBINWAY  
KSJX 060715Z CALM ST JAMES  
KPLN 060718Z 320 3 PELLSTON  
KMGN 060715Z 360 5 HARBOR SPRINGS  
KCVX 060715Z 260 3 CHARLEVOIX  
GTLM4 060640Z 300 6 7 GRAND TRAVERSE LIGHT  
KTVC 060653Z 190 3 TRAVERSE CITY  
KFKS 060715Z 310 1 FRANKFORT  
BSBM4 060640Z 290 8 BIG SABLE POINT  
LDTM4 060700Z CALM 2 LUDINGTON  
KLDM 060715Z 360 1 LUDINGTON AIRPORT  
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