526  
SXUS83 KAPX 111308  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
908 AM EDT TUE AUG 11 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 111250Z 230 3 4 GRAND MARAIS  
GRMM4 111250Z 230 3 4 GRAND MARAIS  
PTIM4 111230Z 110 4 5 POINT IROQUOIS  
CYAM 111200Z 60 3 SOO (CANADA)  
KANJ 111255Z 140 3 SAULT STE MARIE  
SWPM4 111230Z 70 2 3 68.18 S.W. PIER  
LTRM4 111230Z 70 2 3 61.51 LITTLE RAPIDS  
RCKM4 111230Z CALM 2 68.71 ROCK CUT  
WNEM4 111230Z CALM 1 63.49 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 111230Z CALM 1 66.74 DETOUR VILLAGE  
KDRM 111255Z CALM DRUMMOND ISLAND  
KMCD 111255Z 170 2 MACKINAC ISLAND  
MACM4 111230Z 190 3 4 71.59 MACKINAC CITY  
KSLH 111255Z 180 1 CHEBOYGAN AIRPORT  
CYGM4 111305Z 210 4 6 CHEBOYGAN MARINA  
KPZQ 111255Z 270 3 ROGERS CITY  
PRIM4 111250Z 290 1 5 PRESQUE ISLE LIGHT  
KAPN 111254Z CALM ALPENA GUARD BASE  
APNM4 111250Z 290 3 4 ALPENA HARBOR LIGHT  
TBIM4 111230Z 310 4 6 THUNDER BAY ISLAND  
SPTM4 111250Z CALM STURGEON POINT LIGHT  
TAWM4 111240Z 330 4 5 TAWAS POINT  
GSLM4 111240Z 310 4 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 111255Z 40 3 MANISTIQUE  
PNLM4 111230Z 90 3 68.36 PORT INLAND  
NABM4 111240Z 50 3 4 NAUBINWAY  
KSJX 111255Z 90 2 ST JAMES  
KPLN 111254Z CALM PELLSTON  
KMGN 111255Z 70 4 HARBOR SPRINGS  
KCVX 111255Z 90 5 CHARLEVOIX  
GTLM4 111240Z 140 3 5 GRAND TRAVERSE LIGHT  
KTVC 111253Z 70 3 TRAVERSE CITY  
KFKS 111255Z 170 3 FRANKFORT  
BSBM4 111240Z 90 4 6 BIG SABLE POINT  
LDTM4 111230Z 90 3 4 LUDINGTON  
KLDM 111255Z 70 4 LUDINGTON AIRPORT  
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