077  
SXUS83 KAPX 151538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1138 AM EDT SAT AUG 15 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 151450Z 20 4 5 GRAND MARAIS  
GRMM4 151450Z 20 4 5 GRAND MARAIS  
PTIM4 151500Z 100 8 10 POINT IROQUOIS  
CYAM 151500Z 110 5 SOO (CANADA)  
KANJ 151455Z 160 5 SAULT STE MARIE  
SWPM4 151500Z 80 4 5 69.97 S.W. PIER  
LTRM4 151500Z 160 4 6 62.78 LITTLE RAPIDS  
RCKM4 151500Z 120 4 5 69.97 ROCK CUT  
WNEM4 151500Z 100 3 6 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151500Z 190 4 5 66.91 DETOUR VILLAGE  
KDRM 151515Z 180 6 DRUMMOND ISLAND  
MACM4 151500Z 90 9 10 73.94 MACKINAC CITY  
KSLH 151515Z 170 8 CHEBOYGAN AIRPORT  
CYGM4 151530Z 120 19 23 CHEBOYGAN MARINA  
PRIM4 151450Z 110 5 10 PRESQUE ISLE LIGHT  
KAPN 151454Z 120 6 ALPENA GUARD BASE  
APNM4 151520Z 130 8 9 ALPENA HARBOR LIGHT  
TBIM4 151500Z 110 7 8 THUNDER BAY ISLAND  
SPTM4 151450Z 90 4 8 STURGEON POINT LIGHT  
KOSC 151516Z 110 7 OSCODA  
TAWM4 151440Z 70 5 8 TAWAS POINT  
GSLM4 151440Z 60 6 7 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151515Z 120 10 MANISTIQUE  
PNLM4 151500Z 110 11 12 68.54 PORT INLAND  
NABM4 151440Z 120 8 9 NAUBINWAY  
KSJX 151515Z 140 10 ST JAMES  
KPLN 151454Z 140 8 PELLSTON  
KMGN 151515Z 100 8 HARBOR SPRINGS  
KCVX 151515Z 100 9 CHARLEVOIX  
GTLM4 151440Z 120 3 10 GRAND TRAVERSE LIGHT  
KTVC 151453Z 120 8 16 TRAVERSE CITY  
KFKS 151515Z 130 8 FRANKFORT  
BSBM4 151440Z 110 10 15 BIG SABLE POINT  
LDTM4 151500Z 110 8 14 LUDINGTON  
KLDM 151515Z 140 11 LUDINGTON AIRPORT  
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