551  
SXUS83 KAPX 200138  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
938 PM EDT WED AUG 19 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 200050Z 20 2 4 GRAND MARAIS  
GRMM4 200050Z 20 2 4 GRAND MARAIS  
PTIM4 200100Z 300 9 12 POINT IROQUOIS  
CYAM 200100Z 300 3 SOO (CANADA)  
KANJ 200055Z 330 3 SAULT STE MARIE  
SWPM4 200100Z 340 4 5 69.26 S.W. PIER  
LTRM4 200100Z 310 4 8 62.96 LITTLE RAPIDS  
RCKM4 200100Z 300 3 4 68.89 ROCK CUT  
WNEM4 200100Z 290 3 4 64.76 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 200100Z 340 5 6 65.66 DETOUR VILLAGE  
KDRM 200115Z CALM DRUMMOND ISLAND  
KMCD 200115Z 40 7 MACKINAC ISLAND  
MACM4 200100Z 40 7 9 71.78 MACKINAC CITY  
KSLH 200115Z 350 2 CHEBOYGAN AIRPORT  
CYGM4 200130Z 10 10 14 CHEBOYGAN MARINA  
KPZQ 200115Z 340 3 ROGERS CITY  
PRIM4 200050Z 340 10 14 PRESQUE ISLE LIGHT  
KAPN 200054Z CALM ALPENA GUARD BASE  
SPTM4 200050Z 310 1 7 STURGEON POINT LIGHT  
KOSC 200117Z 350 1 OSCODA  
TAWM4 200040Z 230 3 5 TAWAS POINT  
GSLM4 200040Z 200 2 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 200115Z 360 1 MANISTIQUE  
PNLM4 200100Z 340 5 7 66.01 PORT INLAND  
NABM4 200040Z 360 4 5 NAUBINWAY  
KSJX 200115Z 360 5 ST JAMES  
KPLN 200054Z CALM PELLSTON  
KMGN 200115Z 10 3 HARBOR SPRINGS  
KCVX 200115Z 230 3 CHARLEVOIX  
GTLM4 200040Z 230 4 7 GRAND TRAVERSE LIGHT  
KTVC 200053Z CALM TRAVERSE CITY  
BSBM4 200040Z 350 3 BIG SABLE POINT  
LDTM4 200100Z CALM 2 LUDINGTON  
KLDM 200115Z 120 2 LUDINGTON AIRPORT  
 
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