591  
SXUS83 KAPX 090638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 AM EDT THU OCT 9 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 090550Z 190 7 8 GRAND MARAIS  
PTIM4 090600Z 160 4 6 POINT IROQUOIS  
CYAM 090600Z CALM SOO (CANADA)  
KANJ 090555Z CALM SAULT STE MARIE  
SWPM4 090600Z 130 2 3 60.44 S.W. PIER  
LTRM4 090600Z CALM 2 58.64 LITTLE RAPIDS  
RCKM4 090600Z 290 1 2 57.56 ROCK CUT  
WNEM4 090600Z CALM 1 59.18 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 090600Z 70 8 10 60.79 DETOUR VILLAGE  
KDRM 090615Z CALM DRUMMOND ISLAND  
KMCD 090615Z 70 6 MACKINAC ISLAND  
MACM4 090600Z 220 3 4 60.07 MACKINAC CITY  
KSLH 090615Z 240 2 CHEBOYGAN AIRPORT  
CYGM4 090625Z 250 6 CHEBOYGAN MARINA  
SRLM4 090500Z 30 14 SPECTACLE REEF LIGHT  
PRIM4 090550Z 40 11 17 PRESQUE ISLE LIGHT  
KAPN 090554Z CALM ALPENA GUARD BASE  
APNM4 090620Z 300 7 8 ALPENA HARBOR LIGHT  
TBIM4 090600Z 300 4 5 THUNDER BAY ISLAND  
SPTM4 090550Z 290 2 8 STURGEON POINT LIGHT  
KOSC 090615Z 300 1 OSCODA  
KOSC 090615Z 300 1 OSCODA  
GSLM4 090540Z 360 15 18 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 090615Z CALM MANISTIQUE  
PNLM4 090600Z 30 4 5 63.14 PORT INLAND  
NABM4 090540Z 340 3 5 NAUBINWAY  
KSJX 090615Z 80 1 ST JAMES  
KPLN 090554Z CALM PELLSTON  
KMGN 090615Z 10 3 HARBOR SPRINGS  
KCVX 090615Z 160 5 CHARLEVOIX  
NMIM4 090528Z 80 1 5 NORTH MANITOU ISLAND  
GTLM4 090540Z 110 3 8 GRAND TRAVERSE LIGHT  
KTVC 090553Z CALM TRAVERSE CITY  
KFKS 090615Z CALM FRANKFORT  
BSBM4 090540Z 100 6 9 BIG SABLE POINT  
LDTM4 090600Z 90 3 4 LUDINGTON  
KLDM 090615Z 80 3 LUDINGTON AIRPORT  
 
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