274  
SXUS83 KAPX 171038  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
638 AM EDT MON AUG 17 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 170950Z 300 6 7 GRAND MARAIS  
GRMM4 170950Z 300 6 7 GRAND MARAIS  
PTIM4 171000Z 300 6 10 POINT IROQUOIS  
CYAM 171000Z 290 3 SOO (CANADA)  
KANJ 171024Z 280 4 SAULT STE MARIE  
SWPM4 171000Z 250 4 5 69.61 S.W. PIER  
LTRM4 171000Z 220 2 63.31 LITTLE RAPIDS  
RCKM4 171000Z 290 1 3 69.44 ROCK CUT  
WNEM4 171000Z 230 2 64.57 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 171000Z 320 4 8 65.47 DETOUR VILLAGE  
KDRM 171015Z CALM DRUMMOND ISLAND  
KMCD 171016Z 320 2 MACKINAC ISLAND  
MACM4 171000Z 320 5 8 69.26 MACKINAC CITY  
KSLH 171016Z 270 4 CHEBOYGAN AIRPORT  
CYGM4 171030Z 270 4 7 CHEBOYGAN MARINA  
KPZQ 171015Z 270 4 ROGERS CITY  
PRIM4 170950Z 300 9 15 PRESQUE ISLE LIGHT  
KAPN 170954Z 290 5 ALPENA GUARD BASE  
APNM4 171010Z 310 6 9 ALPENA HARBOR LIGHT  
TBIM4 170930Z 300 6 8 THUNDER BAY ISLAND  
SPTM4 170950Z 310 5 12 STURGEON POINT LIGHT  
KOSC 170957Z 340 10 OSCODA  
TAWM4 170940Z 340 7 11 TAWAS POINT  
GSLM4 170940Z 320 13 16 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 171015Z 290 4 MANISTIQUE  
PNLM4 171000Z 350 6 7 70.69 PORT INLAND  
NABM4 170940Z 280 4 7 NAUBINWAY  
KSJX 171015Z 130 1 ST JAMES  
KPLN 170954Z 280 3 PELLSTON  
KCVX 171015Z 260 3 CHARLEVOIX  
GTLM4 170940Z 360 7 8 GRAND TRAVERSE LIGHT  
KTVC 170953Z CALM TRAVERSE CITY  
KFKS 171015Z CALM FRANKFORT  
BSBM4 170940Z 30 3 4 BIG SABLE POINT  
LDTM4 171000Z 40 2 4 LUDINGTON  
KLDM 171015Z 10 3 LUDINGTON AIRPORT  
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