917  
SXUS83 KAPX 181238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
838 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 181150Z 290 29 36 GRAND MARAIS  
GRMM4 181150Z 290 29 36 GRAND MARAIS  
PTIM4 181200Z 290 14 16 POINT IROQUOIS  
CYAM 181200Z 300 18 SOO (CANADA)  
KANJ 181231Z 310 16 27 SAULT STE MARIE  
SWPM4 181200Z 310 17 20 S.W. PIER  
LTRM4 181200Z 300 13 23 LITTLE RAPIDS  
RCKM4 181200Z 310 16 23 ROCK CUT  
WNEM4 181200Z 330 15 24 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 181200Z 330 14 26 33.79 DETOUR VILLAGE  
KDRM 181215Z 290 10 17 DRUMMOND ISLAND  
KMCD 181215Z 330 15 23 MACKINAC ISLAND  
MACM4 181200Z 320 12 18 34.87 MACKINAC CITY  
KSLH 181215Z 320 17 21 CHEBOYGAN AIRPORT  
CYGM4 181230Z 310 25 39 CHEBOYGAN MARINA  
KPZQ 181215Z 210 7 ROGERS CITY  
PRIM4 181150Z 200 8 12 PRESQUE ISLE LIGHT  
KAPN 181154Z 200 7 ALPENA GUARD BASE  
APNM4 181220Z 200 14 15 ALPENA HARBOR LIGHT  
SPTM4 181150Z 180 10 15 STURGEON POINT LIGHT  
KOSC 181215Z 210 14 OSCODA  
TAWM4 181140Z 200 7 10 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 181215Z 320 10 16 MANISTIQUE  
PNLM4 181200Z 330 12 23 PORT INLAND  
NABM4 181140Z 320 13 19 NAUBINWAY  
KSJX 181215Z 300 9 19 ST JAMES  
KPLN 181212Z 310 20 27 PELLSTON  
KMGN 181215Z 280 6 16 HARBOR SPRINGS  
KCVX 181215Z 300 12 CHARLEVOIX  
GTLM4 181140Z 320 14 19 GRAND TRAVERSE LIGHT  
KTVC 181153Z 300 10 16 TRAVERSE CITY  
KFKS 181215Z 330 4 FRANKFORT  
BSBM4 181140Z 290 12 18 BIG SABLE POINT  
LDTM4 181200Z 290 6 11 LUDINGTON  
KLDM 181215Z 300 7 LUDINGTON AIRPORT  
 
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