830  
SXUS83 KAPX 130938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 AM EDT SAT SEP 13 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 130850Z 230 10 13 GRAND MARAIS  
WFPM4 130840Z 150 4 9 WHITEFISH POINT  
PTIM4 130900Z 100 4 5 POINT IROQUOIS  
CYAM 130900Z 40 4 SOO (CANADA)  
KANJ 130855Z CALM SAULT STE MARIE  
SWPM4 130900Z 70 2 60.79 S.W. PIER  
LTRM4 130900Z 60 2 3 58.99 LITTLE RAPIDS  
RCKM4 130900Z CALM 1 60.97 ROCK CUT  
WNEM4 130900Z CALM 1 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 130900Z 170 3 55.94 DETOUR VILLAGE  
KDRM 130915Z CALM DRUMMOND ISLAND  
KMCD 130915Z 190 5 MACKINAC ISLAND  
MACM4 130900Z 180 2 3 62.24 MACKINAC CITY  
KSLH 130915Z 230 1 CHEBOYGAN AIRPORT  
CYGM4 130925Z 200 4 7 CHEBOYGAN MARINA  
SRLM4 130800Z 80 3 SPECTACLE REEF LIGHT  
KPZQ 130915Z 200 2 ROGERS CITY  
PRIM4 130850Z 300 1 7 PRESQUE ISLE LIGHT  
KAPN 130854Z CALM ALPENA GUARD BASE  
APNM4 130920Z 320 4 5 ALPENA HARBOR LIGHT  
TBIM4 130900Z 350 2 4 THUNDER BAY ISLAND  
SPTM4 130850Z CALM STURGEON POINT LIGHT  
KOSC 130915Z 200 2 OSCODA  
KOSC 130915Z 200 2 OSCODA  
GSLM4 130840Z 210 10 11 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 130915Z CALM MANISTIQUE  
PNLM4 130900Z 90 4 62.06 PORT INLAND  
NABM4 130840Z 140 2 4 NAUBINWAY  
KSJX 130915Z 90 2 ST JAMES  
KPLN 130854Z CALM PELLSTON  
KMGN 130915Z CALM HARBOR SPRINGS  
KCVX 130915Z 110 3 CHARLEVOIX  
NMIM4 130828Z CALM NORTH MANITOU ISLAND  
GTLM4 130840Z 150 5 8 GRAND TRAVERSE LIGHT  
KTVC 130853Z CALM TRAVERSE CITY  
KFKS 130915Z 160 2 FRANKFORT  
MEEM4 130840Z 100 4 6 MANISTEE HARBOR  
BSBM4 130840Z 210 3 6 BIG SABLE POINT  
LDTM4 130900Z 60 2 4 LUDINGTON  
KLDM 130915Z 90 5 LUDINGTON AIRPORT  
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