110  
SXUS83 KAPX 180938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 AM EDT MON MAY 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 180850Z 120 11 14 GRAND MARAIS  
GRMM4 180850Z 120 11 14 GRAND MARAIS  
PTIM4 180900Z 120 11 17 POINT IROQUOIS  
CYAM 180900Z 90 9 SOO (CANADA)  
KANJ 180913Z 120 7 SAULT STE MARIE  
SWPM4 180900Z 110 6 9 42.07 S.W. PIER  
LTRM4 180900Z 120 5 7 41.36 LITTLE RAPIDS  
RCKM4 180900Z 110 5 8 45.49 ROCK CUT  
WNEM4 180900Z 120 5 8 42.61 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180900Z 20 4 5 43.51 DETOUR VILLAGE  
KDRM 180915Z CALM DRUMMOND ISLAND  
KMCD 180915Z 120 14 20 MACKINAC ISLAND  
MACM4 180900Z 120 13 14 47.29 MACKINAC CITY  
KSLH 180915Z 120 7 CHEBOYGAN AIRPORT  
CYGM4 180930Z 110 8 14 CHEBOYGAN MARINA  
KPZQ 180915Z 150 7 ROGERS CITY  
PRIM4 180850Z 120 11 18 PRESQUE ISLE LIGHT  
KAPN 180854Z 70 4 ALPENA GUARD BASE  
APNM4 180920Z 90 4 6 ALPENA HARBOR LIGHT  
KOSC 180915Z CALM OSCODA  
TAWM4 180840Z CALM TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180915Z 100 10 15 MANISTIQUE  
PNLM4 180900Z 100 18 23 46.76 PORT INLAND  
NABM4 180840Z 110 21 25 NAUBINWAY  
KSJX 180915Z 100 8 ST JAMES  
KPLN 180854Z 120 7 PELLSTON  
KMGN 180915Z 80 9 HARBOR SPRINGS  
KCVX 180915Z 120 5 CHARLEVOIX  
GTLM4 180840Z 150 10 19 GRAND TRAVERSE LIGHT  
KTVC 180853Z CALM TRAVERSE CITY  
BSBM4 180840Z 170 19 24 BIG SABLE POINT  
LDTM4 180900Z 200 20 27 LUDINGTON  
KLDM 180915Z 200 17 27 LUDINGTON AIRPORT  
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