870  
SXUS83 KAPX 120738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
338 AM EDT FRI SEP 12 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 120650Z 70 2 5 GRAND MARAIS  
WFPM4 120640Z 200 1 2 WHITEFISH POINT  
PTIM4 120700Z 130 3 5 POINT IROQUOIS  
CYAM 120718Z CALM SOO (CANADA)  
KANJ 120730Z CALM SAULT STE MARIE  
SWPM4 120700Z 130 2 3 60.79 S.W. PIER  
LTRM4 120700Z 60 3 58.99 LITTLE RAPIDS  
RCKM4 120700Z CALM 60.07 ROCK CUT  
WNEM4 120700Z CALM 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 120700Z CALM 1 55.39 DETOUR VILLAGE  
KDRM 120715Z CALM DRUMMOND ISLAND  
KMCD 120715Z 130 7 MACKINAC ISLAND  
MACM4 120700Z 110 5 6 60.61 MACKINAC CITY  
KSLH 120715Z 150 2 CHEBOYGAN AIRPORT  
CYGM4 120725Z 170 6 CHEBOYGAN MARINA  
SRLM4 120600Z 130 7 SPECTACLE REEF LIGHT  
KPZQ 120715Z 140 2 ROGERS CITY  
PRIM4 120650Z CALM PRESQUE ISLE LIGHT  
KAPN 120654Z CALM ALPENA GUARD BASE  
APNM4 120720Z 20 2 ALPENA HARBOR LIGHT  
TBIM4 120700Z 70 4 5 THUNDER BAY ISLAND  
SPTM4 120650Z CALM STURGEON POINT LIGHT  
KOSC 120715Z 330 3 OSCODA  
KOSC 120715Z 330 3 OSCODA  
GSLM4 120640Z 60 3 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 120715Z 360 3 MANISTIQUE  
PNLM4 120700Z 40 6 60.07 PORT INLAND  
NABM4 120640Z 40 4 NAUBINWAY  
KSJX 120715Z 110 3 ST JAMES  
KPLN 120654Z CALM PELLSTON  
KMGN 120715Z 60 4 HARBOR SPRINGS  
KCVX 120715Z 130 2 CHARLEVOIX  
NMIM4 120628Z CALM NORTH MANITOU ISLAND  
GTLM4 120640Z 160 4 8 GRAND TRAVERSE LIGHT  
KTVC 120653Z CALM TRAVERSE CITY  
KFKS 120715Z 160 1 FRANKFORT  
MEEM4 120640Z 90 3 6 MANISTEE HARBOR  
BSBM4 120640Z CALM 3 BIG SABLE POINT  
LDTM4 120700Z 80 4 5 LUDINGTON  
KLDM 120715Z 70 3 LUDINGTON AIRPORT  
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