497  
SXUS83 KAPX 270638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 AM EDT SUN SEP 27 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 270550Z 60 5 6 GRAND MARAIS  
GRMM4 270550Z 60 5 6 GRAND MARAIS  
PTIM4 270600Z 150 3 4 POINT IROQUOIS  
CYAM 270600Z 90 3 SOO (CANADA)  
KANJ 270555Z 70 4 SAULT STE MARIE  
SWPM4 270600Z 90 4 63.14 S.W. PIER  
LTRM4 270600Z 50 3 4 60.44 LITTLE RAPIDS  
RCKM4 270600Z 310 1 62.59 ROCK CUT  
WNEM4 270600Z CALM 61.16 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 270600Z 360 4 7 59.54 DETOUR VILLAGE  
KDRM 270615Z CALM DRUMMOND ISLAND  
KMCD 270615Z 320 1 MACKINAC ISLAND  
MACM4 270600Z 280 1 2 59.36 MACKINAC CITY  
KSLH 270615Z 240 1 CHEBOYGAN AIRPORT  
CYGM4 270630Z 170 2 3 CHEBOYGAN MARINA  
KPZQ 270615Z 230 2 ROGERS CITY  
PRIM4 270550Z 30 3 5 PRESQUE ISLE LIGHT  
KAPN 270554Z CALM ALPENA GUARD BASE  
APNM4 270620Z 350 4 5 ALPENA HARBOR LIGHT  
TBIM4 270600Z 40 9 10 THUNDER BAY ISLAND  
SPTM4 270550Z 330 4 10 STURGEON POINT LIGHT  
KOSC 270615Z 330 2 OSCODA  
TAWM4 270540Z 360 6 12 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 270615Z 80 1 MANISTIQUE  
PNLM4 270600Z 350 2 3 64.94 PORT INLAND  
NABM4 270540Z 20 2 3 NAUBINWAY  
KSJX 270615Z 100 2 ST JAMES  
KPLN 270554Z CALM PELLSTON  
KMGN 270615Z 50 3 HARBOR SPRINGS  
KCVX 270615Z 160 2 CHARLEVOIX  
GTLM4 270540Z 190 5 8 GRAND TRAVERSE LIGHT  
KTVC 270553Z CALM TRAVERSE CITY  
KFKS 270615Z 300 2 FRANKFORT  
BSBM4 270540Z 100 8 11 BIG SABLE POINT  
LDTM4 270600Z 90 5 6 LUDINGTON  
KLDM 270615Z 70 2 LUDINGTON AIRPORT  
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