881  
SXUS83 KAPX 180738  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
338 AM EDT SAT APR 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 180650Z 190 14 26 GRAND MARAIS  
GRMM4 180650Z 190 14 26 GRAND MARAIS  
PTIM4 180700Z 110 10 12 POINT IROQUOIS  
CYAM 180700Z 70 7 SOO (CANADA)  
KANJ 180719Z 110 12 20 SAULT STE MARIE  
SWPM4 180700Z 120 12 19 S.W. PIER  
LTRM4 180700Z 130 9 15 LITTLE RAPIDS  
RCKM4 180700Z 120 12 14 ROCK CUT  
WNEM4 180700Z 130 10 15 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180700Z 210 3 4 33.79 DETOUR VILLAGE  
KDRM 180715Z 160 5 DRUMMOND ISLAND  
KMCD 180715Z 160 16 24 MACKINAC ISLAND  
MACM4 180700Z 160 14 20 33.61 MACKINAC CITY  
KSLH 180716Z 160 8 CHEBOYGAN AIRPORT  
CYGM4 180730Z 150 14 20 CHEBOYGAN MARINA  
KPZQ 180715Z 150 5 ROGERS CITY  
PRIM4 180650Z 180 8 17 PRESQUE ISLE LIGHT  
KAPN 180730Z 150 13 ALPENA GUARD BASE  
APNM4 180720Z 130 8 9 ALPENA HARBOR LIGHT  
SPTM4 180650Z 180 9 15 STURGEON POINT LIGHT  
KOSC 180715Z 210 10 OSCODA  
TAWM4 180640Z 150 14 18 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180715Z 180 13 20 MANISTIQUE  
PNLM4 180700Z 170 13 15 PORT INLAND  
NABM4 180640Z 160 5 10 NAUBINWAY  
KSJX 180715Z 170 10 ST JAMES  
KPLN 180654Z 160 10 22 PELLSTON  
KMGN 180715Z 160 9 14 HARBOR SPRINGS  
KCVX 180715Z 150 11 CHARLEVOIX  
GTLM4 180640Z 180 8 22 GRAND TRAVERSE LIGHT  
KFKS 180715Z 180 16 20 FRANKFORT  
BSBM4 180640Z 170 10 16 BIG SABLE POINT  
LDTM4 180700Z 190 14 21 LUDINGTON  
KLDM 180715Z 190 14 21 LUDINGTON AIRPORT  
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