583  
SXUS83 KAPX 180708  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
308 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 180630Z 110 7 10 POINT IROQUOIS  
CYAM 180600Z 110 7 SOO (CANADA)  
KANJ 180655Z 110 9 17 SAULT STE MARIE  
SWPM4 180630Z 130 14 18 S.W. PIER  
LTRM4 180630Z 150 8 11 LITTLE RAPIDS  
RCKM4 180630Z 170 4 10 ROCK CUT  
WNEM4 180630Z 140 9 13 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180630Z 180 5 7 33.79 DETOUR VILLAGE  
KDRM 180655Z 150 7 DRUMMOND ISLAND  
KMCD 180656Z 150 13 18 MACKINAC ISLAND  
MACM4 180630Z 150 8 10 33.26 MACKINAC CITY  
KSLH 180655Z 160 11 CHEBOYGAN AIRPORT  
CYGM4 180700Z 160 12 23 CHEBOYGAN MARINA  
KPZQ 180655Z 170 8 ROGERS CITY  
PRIM4 180650Z 180 8 17 PRESQUE ISLE LIGHT  
KAPN 180654Z 210 10 16 ALPENA GUARD BASE  
APNM4 180650Z 140 16 18 ALPENA HARBOR LIGHT  
SPTM4 180650Z 180 9 15 STURGEON POINT LIGHT  
KOSC 180655Z 170 10 OSCODA  
TAWM4 180640Z 150 14 18 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180655Z 180 10 MANISTIQUE  
PNLM4 180630Z 170 9 11 PORT INLAND  
NABM4 180640Z 160 5 10 NAUBINWAY  
KSJX 180655Z 160 10 19 ST JAMES  
KPLN 180654Z 160 10 22 PELLSTON  
KMGN 180655Z 170 7 HARBOR SPRINGS  
KCVX 180655Z 160 12 20 CHARLEVOIX  
GTLM4 180640Z 180 8 22 GRAND TRAVERSE LIGHT  
KFKS 180655Z 170 11 16 FRANKFORT  
BSBM4 180640Z 170 10 16 BIG SABLE POINT  
LDTM4 180630Z 240 6 8 LUDINGTON  
KLDM 180655Z 200 16 LUDINGTON AIRPORT  
 
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