146  
SXUS83 KAPX 151008  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
608 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 150950Z 190 14 20 GRAND MARAIS  
WFPM4 150940Z 180 14 18 WHITEFISH POINT  
PTIM4 150930Z 130 5 10 POINT IROQUOIS  
CYAM 150900Z 80 5 SOO (CANADA)  
KANJ 150955Z CALM SAULT STE MARIE  
SWPM4 150930Z 80 5 69.44 S.W. PIER  
LTRM4 150930Z 90 2 4 63.14 LITTLE RAPIDS  
RCKM4 150930Z 150 5 6 69.61 ROCK CUT  
WNEM4 150930Z 160 5 8 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150930Z 180 10 11 69.44 DETOUR VILLAGE  
KDRM 150955Z 170 3 DRUMMOND ISLAND  
KMCD 150955Z 160 9 MACKINAC ISLAND  
MACM4 150930Z 190 12 14 73.21 MACKINAC CITY  
CYGM4 151000Z 180 6 13 CHEBOYGAN MARINA  
SRLM4 150900Z 170 16 SPECTACLE REEF LIGHT  
KPZQ 150955Z 200 7 ROGERS CITY  
PRIM4 150950Z CALM PRESQUE ISLE LIGHT  
KAPN 150954Z CALM ALPENA GUARD BASE  
APNM4 150950Z 220 2 3 ALPENA HARBOR LIGHT  
TBIM4 150930Z 230 3 THUNDER BAY ISLAND  
SPTM4 150950Z CALM STURGEON POINT LIGHT  
KOSC 150939Z 360 3 OSCODA  
GSLM4 150940Z 150 5 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150955Z 200 4 MANISTIQUE  
PNLM4 150930Z 200 10 13 PORT INLAND  
NABM4 150940Z 210 14 15 NAUBINWAY  
KPLN 150954Z CALM PELLSTON  
KMGN 150955Z 140 4 HARBOR SPRINGS  
KCVX 150955Z 150 4 CHARLEVOIX  
NMIM4 150928Z CALM NORTH MANITOU ISLAND  
GTLM4 150940Z 170 6 12 GRAND TRAVERSE LIGHT  
KTVC 150953Z CALM TRAVERSE CITY  
KFKS 150955Z CALM FRANKFORT  
MEEM4 150940Z 110 3 7 MANISTEE HARBOR  
BSBM4 150940Z 130 5 10 BIG SABLE POINT  
LDTM4 150930Z 90 4 5 LUDINGTON  
KLDM 150955Z 90 3 LUDINGTON AIRPORT  
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