854  
SXUS83 KAPX 180438  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 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 180350Z 190 26 37 GRAND MARAIS  
GRMM4 180350Z 190 26 37 GRAND MARAIS  
PTIM4 180400Z 120 10 13 POINT IROQUOIS  
CYAM 180405Z 90 9 15 SOO (CANADA)  
KANJ 180355Z 120 9 18 SAULT STE MARIE  
SWPM4 180400Z 110 11 16 S.W. PIER  
LTRM4 180400Z 130 12 15 LITTLE RAPIDS  
RCKM4 180400Z 140 12 16 ROCK CUT  
WNEM4 180400Z 150 13 17 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180400Z 160 16 21 33.97 DETOUR VILLAGE  
KDRM 180415Z 150 10 17 DRUMMOND ISLAND  
KMCD 180415Z 160 8 MACKINAC ISLAND  
MACM4 180400Z 180 10 13 35.06 MACKINAC CITY  
KSLH 180415Z 170 5 CHEBOYGAN AIRPORT  
CYGM4 180430Z 200 6 7 CHEBOYGAN MARINA  
KPZQ 180415Z 180 14 22 ROGERS CITY  
PRIM4 180350Z 160 13 20 PRESQUE ISLE LIGHT  
KAPN 180354Z 160 14 22 ALPENA GUARD BASE  
APNM4 180420Z 140 13 15 ALPENA HARBOR LIGHT  
SPTM4 180350Z 180 12 18 STURGEON POINT LIGHT  
KOSC 180415Z 180 11 OSCODA  
TAWM4 180340Z 150 7 11 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180415Z 130 3 MANISTIQUE  
PNLM4 180400Z 100 4 PORT INLAND  
NABM4 180340Z 100 7 10 NAUBINWAY  
KSJX 180415Z 180 16 27 ST JAMES  
KPLN 180354Z 170 6 PELLSTON  
KMGN 180415Z CALM HARBOR SPRINGS  
KCVX 180415Z 210 7 CHARLEVOIX  
GTLM4 180340Z 230 14 21 GRAND TRAVERSE LIGHT  
KTVC 180419Z 160 8 16 TRAVERSE CITY  
KFKS 180415Z 140 11 FRANKFORT  
BSBM4 180340Z 140 12 20 BIG SABLE POINT  
LDTM4 180400Z 160 11 14 LUDINGTON  
KLDM 180415Z 170 12 20 LUDINGTON AIRPORT  
 
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