939  
SXUS83 KAPX 121738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 PM EDT SUN APR 12 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 121650Z 150 17 22 GRAND MARAIS  
GRMM4 121650Z 150 17 22 GRAND MARAIS  
PTIM4 121700Z 110 14 18 POINT IROQUOIS  
CYAM 121700Z 110 10 22 SOO (CANADA)  
KANJ 121655Z 120 9 21 SAULT STE MARIE  
SWPM4 121700Z 130 13 20 S.W. PIER  
LTRM4 121700Z 130 11 16 LITTLE RAPIDS  
RCKM4 121700Z 120 16 21 ROCK CUT  
WNEM4 121700Z 140 14 22 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 121700Z 150 16 24 33.79 DETOUR VILLAGE  
KDRM 121715Z 140 13 20 DRUMMOND ISLAND  
KMCD 121715Z 150 11 19 MACKINAC ISLAND  
MACM4 121700Z 150 10 13 32.89 MACKINAC CITY  
KSLH 121716Z 160 12 CHEBOYGAN AIRPORT  
CYGM4 121730Z 160 14 23 CHEBOYGAN MARINA  
KPZQ 121715Z 160 9 ROGERS CITY  
PRIM4 121650Z 160 13 24 PRESQUE ISLE LIGHT  
KAPN 121708Z 160 16 23 ALPENA GUARD BASE  
APNM4 121720Z 170 21 23 ALPENA HARBOR LIGHT  
TBIM4 121700Z 170 19 22 THUNDER BAY ISLAND  
SPTM4 121650Z 150 9 22 STURGEON POINT LIGHT  
KOSC 121715Z 150 6 OSCODA  
TAWM4 121640Z 100 6 9 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 121715Z 140 7 MANISTIQUE  
PNLM4 121700Z 120 8 9 PORT INLAND  
NABM4 121640Z 130 12 17 NAUBINWAY  
KSJX 121715Z 180 9 ST JAMES  
KPLN 121654Z 160 8 PELLSTON  
KMGN 121715Z 170 3 HARBOR SPRINGS  
KCVX 121715Z 180 12 20 CHARLEVOIX  
GTLM4 121640Z 190 9 26 GRAND TRAVERSE LIGHT  
KTVC 121719Z 50 5 TRAVERSE CITY  
KFKS 121715Z 190 1 FRANKFORT  
BSBM4 121640Z 170 19 25 BIG SABLE POINT  
LDTM4 121700Z 190 19 26 LUDINGTON  
KLDM 121715Z 190 17 23 LUDINGTON AIRPORT  
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