777  
SXUS83 KAPX 131738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 PM 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 131650Z 310 4 5 GRAND MARAIS  
WFPM4 131640Z 150 2 5 WHITEFISH POINT  
PTIM4 131700Z 110 5 7 POINT IROQUOIS  
CYAM 131700Z 190 3 SOO (CANADA)  
KANJ 131655Z CALM SAULT STE MARIE  
SWPM4 131700Z CALM 60.97 S.W. PIER  
LTRM4 131700Z 150 1 2 58.99 LITTLE RAPIDS  
RCKM4 131700Z 110 1 2 61.16 ROCK CUT  
WNEM4 131700Z 160 1 3 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 131700Z 180 6 7 56.29 DETOUR VILLAGE  
KDRM 131715Z 210 3 DRUMMOND ISLAND  
KMCD 131715Z 230 8 MACKINAC ISLAND  
MACM4 131700Z 240 4 9 62.96 MACKINAC CITY  
KSLH 131715Z 260 3 CHEBOYGAN AIRPORT  
CYGM4 131725Z 230 8 13 CHEBOYGAN MARINA  
SRLM4 131600Z 140 3 SPECTACLE REEF LIGHT  
PRIM4 131650Z CALM PRESQUE ISLE LIGHT  
APNM4 131720Z 120 4 5 ALPENA HARBOR LIGHT  
TBIM4 131700Z 200 6 THUNDER BAY ISLAND  
SPTM4 131650Z 170 1 7 STURGEON POINT LIGHT  
KOSC 131715Z 130 7 OSCODA  
KOSC 131715Z 130 7 OSCODA  
GSLM4 131640Z 140 2 4 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 131715Z 190 5 MANISTIQUE  
PNLM4 131700Z 210 4 5 62.06 PORT INLAND  
NABM4 131640Z 170 5 6 NAUBINWAY  
KSJX 131715Z 250 5 ST JAMES  
KPLN 131654Z CALM PELLSTON  
KMGN 131715Z 240 3 HARBOR SPRINGS  
KCVX 131715Z 290 5 CHARLEVOIX  
NMIM4 131628Z 130 2 5 NORTH MANITOU ISLAND  
GTLM4 131640Z 110 5 9 GRAND TRAVERSE LIGHT  
KTVC 131653Z CALM TRAVERSE CITY  
KFKS 131715Z 260 11 FRANKFORT  
MEEM4 131640Z 250 7 MANISTEE HARBOR  
BSBM4 131640Z 180 7 10 BIG SABLE POINT  
LDTM4 131700Z CALM 3 LUDINGTON  
KLDM 131715Z 240 6 LUDINGTON AIRPORT  
 
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