538  
SXUS83 KAPX 151238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
838 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 151150Z 220 3 4 GRAND MARAIS  
GRMM4 151150Z 220 3 4 GRAND MARAIS  
PTIM4 151200Z 110 6 8 POINT IROQUOIS  
CYAM 151200Z CALM SOO (CANADA)  
KANJ 151155Z CALM SAULT STE MARIE  
SWPM4 151200Z 60 4 5 69.97 S.W. PIER  
LTRM4 151200Z 60 3 5 62.96 LITTLE RAPIDS  
RCKM4 151200Z 330 2 3 69.97 ROCK CUT  
WNEM4 151200Z CALM 1 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151200Z CALM 1 66.91 DETOUR VILLAGE  
KDRM 151215Z CALM DRUMMOND ISLAND  
KMCD 151215Z 170 4 MACKINAC ISLAND  
MACM4 151200Z 160 4 5 73.39 MACKINAC CITY  
KSLH 151215Z CALM CHEBOYGAN AIRPORT  
CYGM4 151230Z 170 4 6 CHEBOYGAN MARINA  
KPZQ 151215Z 230 3 ROGERS CITY  
PRIM4 151150Z CALM PRESQUE ISLE LIGHT  
KAPN 151154Z 330 3 ALPENA GUARD BASE  
APNM4 151220Z 310 3 4 ALPENA HARBOR LIGHT  
TBIM4 151200Z 90 7 THUNDER BAY ISLAND  
SPTM4 151150Z 80 4 7 STURGEON POINT LIGHT  
KOSC 151156Z 320 3 OSCODA  
TAWM4 151140Z 350 2 3 TAWAS POINT  
GSLM4 151140Z 80 6 8 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151215Z 10 3 MANISTIQUE  
PNLM4 151200Z 20 3 68.71 PORT INLAND  
NABM4 151140Z 360 3 4 NAUBINWAY  
KSJX 151215Z 100 2 ST JAMES  
KPLN 151154Z CALM PELLSTON  
KMGN 151215Z 80 6 HARBOR SPRINGS  
KCVX 151215Z 130 4 CHARLEVOIX  
GTLM4 151140Z 120 3 4 GRAND TRAVERSE LIGHT  
KTVC 151153Z CALM TRAVERSE CITY  
BSBM4 151140Z 100 10 14 BIG SABLE POINT  
LDTM4 151200Z 90 6 8 LUDINGTON  
KLDM 151215Z 100 6 LUDINGTON AIRPORT  
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