527  
SXUS83 KAPX 150708  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
308 AM EDT FRI AUG 15 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 150650Z 180 16 21 GRAND MARAIS  
WFPM4 150640Z 170 13 16 WHITEFISH POINT  
PTIM4 150630Z 140 4 6 POINT IROQUOIS  
CYAM 150600Z 90 4 SOO (CANADA)  
KANJ 150655Z 70 4 SAULT STE MARIE  
SWPM4 150630Z 90 5 7 69.44 S.W. PIER  
LTRM4 150630Z 80 4 5 62.78 LITTLE RAPIDS  
RCKM4 150630Z 150 5 6 69.79 ROCK CUT  
WNEM4 150630Z 130 2 3 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150630Z 160 10 12 69.61 DETOUR VILLAGE  
KDRM 150655Z 160 4 DRUMMOND ISLAND  
KMCD 150655Z 160 7 MACKINAC ISLAND  
MACM4 150630Z 180 11 13 73.76 MACKINAC CITY  
CYGM4 150655Z 180 10 15 CHEBOYGAN MARINA  
SRLM4 150600Z 130 12 SPECTACLE REEF LIGHT  
KPZQ 150655Z 150 4 ROGERS CITY  
PRIM4 150650Z 150 5 9 PRESQUE ISLE LIGHT  
KAPN 150654Z CALM ALPENA GUARD BASE  
APNM4 150650Z 230 5 6 ALPENA HARBOR LIGHT  
TBIM4 150630Z 140 5 THUNDER BAY ISLAND  
SPTM4 150650Z CALM STURGEON POINT LIGHT  
KOSC 150617Z 300 2 OSCODA  
GSLM4 150640Z 120 8 9 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150655Z 150 6 MANISTIQUE  
PNLM4 150630Z 160 19 21 PORT INLAND  
NABM4 150640Z 170 17 19 NAUBINWAY  
KSJX 150655Z 140 7 ST JAMES  
KPLN 150654Z 150 5 PELLSTON  
KMGN 150655Z CALM HARBOR SPRINGS  
KCVX 150655Z 140 7 CHARLEVOIX  
NMIM4 150628Z CALM NORTH MANITOU ISLAND  
GTLM4 150640Z 170 7 14 GRAND TRAVERSE LIGHT  
KTVC 150653Z CALM TRAVERSE CITY  
KFKS 150655Z 120 3 FRANKFORT  
MEEM4 150640Z 100 3 5 MANISTEE HARBOR  
BSBM4 150640Z 110 5 7 BIG SABLE POINT  
LDTM4 150630Z 80 4 6 LUDINGTON  
KLDM 150655Z 90 5 LUDINGTON AIRPORT  
 
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