791  
SXUS83 KAPX 211038  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
638 AM EDT TUE JUL 21 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 210950Z 280 19 23 GRAND MARAIS  
GRMM4 210950Z 280 19 23 GRAND MARAIS  
PTIM4 211000Z 260 6 12 POINT IROQUOIS  
CYAM 211000Z 280 11 17 SOO (CANADA)  
KANJ 210955Z 260 6 SAULT STE MARIE  
SWPM4 211000Z 270 12 14 67.46 S.W. PIER  
LTRM4 211000Z 270 7 10 60.26 LITTLE RAPIDS  
RCKM4 211000Z 270 4 7 67.99 ROCK CUT  
WNEM4 211000Z 270 7 11 61.69 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 211000Z 270 4 7 62.96 DETOUR VILLAGE  
KDRM 211015Z 260 4 DRUMMOND ISLAND  
KMCD 211016Z 290 14 21 MACKINAC ISLAND  
MACM4 211000Z 270 13 23 69.44 MACKINAC CITY  
KSLH 211015Z 260 5 CHEBOYGAN AIRPORT  
CYGM4 211030Z 240 8 9 CHEBOYGAN MARINA  
KPZQ 211015Z 230 8 ROGERS CITY  
PRIM4 210950Z 230 15 22 PRESQUE ISLE LIGHT  
KAPN 210954Z 250 6 ALPENA GUARD BASE  
APNM4 211020Z 260 4 6 ALPENA HARBOR LIGHT  
TBIM4 211000Z 250 17 19 THUNDER BAY ISLAND  
SPTM4 210950Z 250 4 14 STURGEON POINT LIGHT  
KOSC 211015Z 270 11 OSCODA  
TAWM4 210940Z 270 12 18 TAWAS POINT  
GSLM4 210940Z 230 19 25 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 211027Z 300 8 MANISTIQUE  
PNLM4 211000Z 300 6 10 68.54 PORT INLAND  
NABM4 210940Z 280 4 7 NAUBINWAY  
KSJX 211015Z 270 5 ST JAMES  
KPLN 210954Z 270 7 PELLSTON  
KMGN 211015Z 250 4 HARBOR SPRINGS  
KCVX 211015Z 280 14 CHARLEVOIX  
GTLM4 210940Z 250 16 17 GRAND TRAVERSE LIGHT  
KTVC 210953Z 230 5 TRAVERSE CITY  
KFKS 211015Z CALM FRANKFORT  
BSBM4 210940Z 250 13 17 BIG SABLE POINT  
LDTM4 211000Z 260 7 11 LUDINGTON  
 
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