200  
SXUS83 KAPX 050438  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 AM EDT WED AUG 5 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 050350Z 190 5 6 GRAND MARAIS  
GRMM4 050350Z 190 5 6 GRAND MARAIS  
PTIM4 050400Z 310 6 7 POINT IROQUOIS  
CYAM 050400Z 350 4 SOO (CANADA)  
KANJ 050355Z CALM SAULT STE MARIE  
SWPM4 050400Z 310 2 4 67.09 S.W. PIER  
LTRM4 050400Z 320 3 4 60.97 LITTLE RAPIDS  
RCKM4 050400Z 310 4 5 67.99 ROCK CUT  
WNEM4 050400Z 320 5 6 63.14 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 050400Z 340 1 4 65.11 DETOUR VILLAGE  
KDRM 050415Z CALM DRUMMOND ISLAND  
KMCD 050415Z 10 8 MACKINAC ISLAND  
MACM4 050400Z 10 5 7 70.34 MACKINAC CITY  
KSLH 050415Z 340 2 CHEBOYGAN AIRPORT  
CYGM4 050430Z CALM 4 CHEBOYGAN MARINA  
KPZQ 050415Z 130 1 ROGERS CITY  
PRIM4 050350Z 350 2 10 PRESQUE ISLE LIGHT  
KAPN 050354Z 270 4 ALPENA GUARD BASE  
APNM4 050420Z 310 2 3 ALPENA HARBOR LIGHT  
TBIM4 050400Z 320 4 5 THUNDER BAY ISLAND  
SPTM4 050350Z 240 4 10 STURGEON POINT LIGHT  
KOSC 050415Z 230 4 OSCODA  
TAWM4 050340Z 220 3 8 TAWAS POINT  
GSLM4 050340Z 170 2 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 050415Z 20 3 MANISTIQUE  
PNLM4 050400Z 40 2 4 68.71 PORT INLAND  
NABM4 050340Z 40 4 5 NAUBINWAY  
KSJX 050415Z 50 4 ST JAMES  
KPLN 050354Z 190 3 PELLSTON  
KMGN 050415Z 330 1 HARBOR SPRINGS  
KCVX 050415Z 140 3 CHARLEVOIX  
GTLM4 050340Z 200 3 4 GRAND TRAVERSE LIGHT  
KTVC 050353Z 170 4 TRAVERSE CITY  
BSBM4 050340Z 170 12 15 BIG SABLE POINT  
LDTM4 050400Z 200 12 17 LUDINGTON  
KLDM 050415Z 170 7 LUDINGTON AIRPORT  
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