694  
SXUS83 KAPX 260538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM EDT SUN JUL 26 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 260450Z 210 10 15 GRAND MARAIS  
GRMM4 260450Z 210 10 15 GRAND MARAIS  
PTIM4 260500Z CALM 2 POINT IROQUOIS  
CYAM 260500Z 130 2 SOO (CANADA)  
KANJ 260455Z CALM SAULT STE MARIE  
SWPM4 260500Z 150 1 3 66.01 S.W. PIER  
LTRM4 260500Z 200 1 2 59.71 LITTLE RAPIDS  
RCKM4 260500Z 150 2 4 66.37 ROCK CUT  
WNEM4 260500Z 150 3 4 60.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 260500Z CALM 1 58.64 DETOUR VILLAGE  
KDRM 260515Z CALM DRUMMOND ISLAND  
KMCD 260515Z 180 6 MACKINAC ISLAND  
MACM4 260500Z 160 2 3 67.99 MACKINAC CITY  
KSLH 260515Z 170 2 CHEBOYGAN AIRPORT  
CYGM4 260530Z 180 4 6 CHEBOYGAN MARINA  
KPZQ 260515Z 200 3 ROGERS CITY  
PRIM4 260450Z CALM PRESQUE ISLE LIGHT  
KAPN 260454Z CALM ALPENA GUARD BASE  
APNM4 260520Z CALM 1 ALPENA HARBOR LIGHT  
TBIM4 260500Z 360 1 THUNDER BAY ISLAND  
SPTM4 260450Z 350 1 3 STURGEON POINT LIGHT  
KOSC 260515Z 200 4 OSCODA  
TAWM4 260440Z 240 2 5 TAWAS POINT  
GSLM4 260440Z 230 9 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 260515Z 220 2 MANISTIQUE  
PNLM4 260500Z 230 2 3 62.59 PORT INLAND  
NABM4 260440Z 240 3 5 NAUBINWAY  
KSJX 260515Z 210 9 ST JAMES  
KMGN 260515Z CALM HARBOR SPRINGS  
KCVX 260515Z 190 4 CHARLEVOIX  
GTLM4 260440Z 210 5 8 GRAND TRAVERSE LIGHT  
BSBM4 260440Z 170 8 10 BIG SABLE POINT  
LDTM4 260500Z 210 9 13 LUDINGTON  
KLDM 260515Z 230 9 LUDINGTON AIRPORT  
 
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