051  
SXUS83 KAPX 200838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
438 AM EDT THU AUG 20 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 200750Z 190 8 10 GRAND MARAIS  
GRMM4 200750Z 190 8 10 GRAND MARAIS  
PTIM4 200800Z 160 1 3 POINT IROQUOIS  
KANJ 200755Z CALM SAULT STE MARIE  
SWPM4 200800Z 330 2 3 69.07 S.W. PIER  
LTRM4 200800Z 170 1 2 62.96 LITTLE RAPIDS  
RCKM4 200800Z 250 2 68.71 ROCK CUT  
WNEM4 200800Z CALM 1 64.57 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 200800Z 220 2 3 65.47 DETOUR VILLAGE  
KDRM 200815Z CALM DRUMMOND ISLAND  
KMCD 200815Z 130 3 MACKINAC ISLAND  
MACM4 200800Z 230 2 3 71.41 MACKINAC CITY  
CYGM4 200830Z 210 8 CHEBOYGAN MARINA  
KPZQ 200815Z 260 2 ROGERS CITY  
PRIM4 200750Z 270 2 4 PRESQUE ISLE LIGHT  
KAPN 200754Z CALM ALPENA GUARD BASE  
SPTM4 200750Z 320 1 8 STURGEON POINT LIGHT  
KOSC 200757Z 350 3 OSCODA  
TAWM4 200740Z 20 4 6 TAWAS POINT  
GSLM4 200740Z 160 4 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 200815Z 360 2 MANISTIQUE  
PNLM4 200800Z 60 4 64.39 PORT INLAND  
NABM4 200740Z 10 2 NAUBINWAY  
KSJX 200815Z 140 1 ST JAMES  
KPLN 200754Z CALM PELLSTON  
KMGN 200815Z 30 3 HARBOR SPRINGS  
KCVX 200815Z 110 3 CHARLEVOIX  
GTLM4 200740Z 150 3 5 GRAND TRAVERSE LIGHT  
KTVC 200753Z CALM TRAVERSE CITY  
KFKS 200815Z CALM FRANKFORT  
BSBM4 200740Z 100 9 11 BIG SABLE POINT  
LDTM4 200800Z 90 4 5 LUDINGTON  
KLDM 200815Z 350 2 LUDINGTON AIRPORT  
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