658  
SXUS83 KAPX 180938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 AM WED MAR 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
PTIM4 180900Z 120 8 12 POINT IROQUOIS  
CYAM 180900Z 80 8 SOO (CANADA)  
KANJ 180855Z 110 4 SAULT STE MARIE  
SWPM4 180900Z 90 3 5 S.W. PIER  
LTRM4 180900Z CALM 2 LITTLE RAPIDS  
RCKM4 180900Z 30 2 3 ROCK CUT  
WNEM4 180900Z 340 1 2 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180900Z 210 7 10 33.97 DETOUR VILLAGE  
KDRM 180915Z 190 4 DRUMMOND ISLAND  
KMCD 180916Z 160 11 17 MACKINAC ISLAND  
MACM4 180900Z 170 11 14 32.36 MACKINAC CITY  
KSLH 180915Z 160 6 CHEBOYGAN AIRPORT  
CYGM4 180930Z 150 12 14 CHEBOYGAN MARINA  
KPZQ 180915Z 180 7 ROGERS CITY  
PRIM4 180850Z CALM PRESQUE ISLE LIGHT  
KAPN 180854Z 160 4 ALPENA GUARD BASE  
APNM4 180920Z 210 1 ALPENA HARBOR LIGHT  
TBIM4 180900Z CALM THUNDER BAY ISLAND  
TAWM4 180840Z 210 5 10 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180915Z 240 4 MANISTIQUE  
PNLM4 180900Z 240 10 13 PORT INLAND  
NABM4 180840Z 190 17 21 NAUBINWAY  
KSJX 180915Z 160 7 ST JAMES  
KPLN 180854Z 160 5 PELLSTON  
KMGN 180915Z 160 4 HARBOR SPRINGS  
KCVX 180915Z 150 7 CHARLEVOIX  
GTLM4 180840Z 190 5 14 GRAND TRAVERSE LIGHT  
BSBM4 180840Z 210 17 23 BIG SABLE POINT  
LDTM4 180900Z 210 12 16 LUDINGTON  
KLDM 180915Z 130 6 LUDINGTON AIRPORT  
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