516  
SXUS83 KAPX 140938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 AM EDT THU AUG 14 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 140850Z 300 4 6 GRAND MARAIS  
WFPM4 140840Z 300 4 5 WHITEFISH POINT  
PTIM4 140900Z CALM 3 POINT IROQUOIS  
CYAM 140900Z CALM SOO (CANADA)  
KANJ 140855Z CALM SAULT STE MARIE  
SWPM4 140900Z 100 2 3 69.07 S.W. PIER  
LTRM4 140900Z 40 2 5 62.24 LITTLE RAPIDS  
RCKM4 140900Z 310 3 4 68.71 ROCK CUT  
WNEM4 140900Z CALM 2 64.04 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 140900Z 60 8 10 69.61 DETOUR VILLAGE  
KDRM 140915Z CALM DRUMMOND ISLAND  
KMCD 140915Z 10 6 MACKINAC ISLAND  
MACM4 140900Z 340 6 8 72.31 MACKINAC CITY  
CYGM4 140925Z 330 6 9 CHEBOYGAN MARINA  
SRLM4 140800Z 360 15 SPECTACLE REEF LIGHT  
KPZQ 140915Z 250 3 ROGERS CITY  
PRIM4 140850Z 310 7 13 PRESQUE ISLE LIGHT  
KAPN 140854Z CALM ALPENA GUARD BASE  
APNM4 140920Z 320 8 11 ALPENA HARBOR LIGHT  
TBIM4 140900Z 330 4 8 THUNDER BAY ISLAND  
SPTM4 140850Z 310 5 10 STURGEON POINT LIGHT  
KOSC 140915Z 270 3 OSCODA  
GSLM4 140840Z 330 7 9 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 140915Z 350 3 MANISTIQUE  
PNLM4 140900Z 10 5 6 PORT INLAND  
NABM4 140840Z 50 4 5 NAUBINWAY  
KSJX 140915Z CALM ST JAMES  
KPLN 140857Z CALM PELLSTON  
KMGN 140915Z CALM HARBOR SPRINGS  
KCVX 140915Z 130 2 CHARLEVOIX  
NMIM4 140828Z CALM NORTH MANITOU ISLAND  
GTLM4 140840Z 90 4 9 GRAND TRAVERSE LIGHT  
KTVC 140853Z CALM TRAVERSE CITY  
KFKS 140915Z CALM FRANKFORT  
MEEM4 140840Z 80 2 6 MANISTEE HARBOR  
BSBM4 140840Z 100 6 8 BIG SABLE POINT  
LDTM4 140900Z 80 3 4 LUDINGTON  
KLDM 140915Z 110 1 LUDINGTON AIRPORT  
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