441  
SXUS83 KAPX 171038  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
638 AM EDT FRI JUL 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 120 2 3 GRAND MARAIS  
GRMM4 170950Z 120 2 3 GRAND MARAIS  
PTIM4 171000Z CALM 1 POINT IROQUOIS  
CYAM 171000Z CALM SOO (CANADA)  
KANJ 171023Z CALM SAULT STE MARIE  
SWPM4 171000Z 40 1 2 68.71 S.W. PIER  
LTRM4 171000Z 40 3 4 59.54 LITTLE RAPIDS  
RCKM4 171000Z CALM 2 69.44 ROCK CUT  
WNEM4 171000Z 230 2 3 60.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 171000Z 360 4 5 66.19 DETOUR VILLAGE  
KDRM 171015Z CALM DRUMMOND ISLAND  
KMCD 171015Z CALM MACKINAC ISLAND  
MACM4 171000Z 220 3 70.51 MACKINAC CITY  
KSLH 171016Z 230 2 CHEBOYGAN AIRPORT  
CYGM4 171030Z 210 4 CHEBOYGAN MARINA  
KPZQ 171015Z 260 4 ROGERS CITY  
PRIM4 170950Z 320 2 9 PRESQUE ISLE LIGHT  
KAPN 170954Z CALM ALPENA GUARD BASE  
APNM4 171010Z 330 5 6 ALPENA HARBOR LIGHT  
TBIM4 171000Z 350 8 11 THUNDER BAY ISLAND  
SPTM4 170950Z 310 1 8 STURGEON POINT LIGHT  
KOSC 171015Z 260 2 OSCODA  
TAWM4 170940Z 310 3 5 TAWAS POINT  
GSLM4 170940Z 330 6 7 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 171015Z 70 3 MANISTIQUE  
PNLM4 171000Z 110 4 62.59 PORT INLAND  
NABM4 170940Z 30 1 4 NAUBINWAY  
KSJX 171015Z 120 1 ST JAMES  
KPLN 171016Z CALM PELLSTON  
KMGN 171015Z CALM HARBOR SPRINGS  
KCVX 171015Z 190 2 CHARLEVOIX  
GTLM4 170940Z 100 4 5 GRAND TRAVERSE LIGHT  
KTVC 170953Z 240 3 TRAVERSE CITY  
KFKS 171015Z 150 1 FRANKFORT  
BSBM4 170940Z 130 4 6 BIG SABLE POINT  
LDTM4 171000Z 60 2 4 LUDINGTON  
KLDM 171015Z 80 3 LUDINGTON AIRPORT  
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