580  
SXUS83 KAPX 180708  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
308 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 180630Z 130 6 8 POINT IROQUOIS  
CYAM 180600Z 80 6 SOO (CANADA)  
KANJ 180655Z 70 4 SAULT STE MARIE  
SWPM4 180630Z 110 3 5 S.W. PIER  
LTRM4 180630Z 70 2 3 LITTLE RAPIDS  
RCKM4 180630Z 270 1 ROCK CUT  
WNEM4 180630Z 330 2 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180630Z 240 4 6 33.97 DETOUR VILLAGE  
KDRM 180655Z CALM DRUMMOND ISLAND  
KMCD 180656Z 170 8 MACKINAC ISLAND  
MACM4 180630Z 180 10 12 32.36 MACKINAC CITY  
KSLH 180655Z 180 5 CHEBOYGAN AIRPORT  
CYGM4 180700Z 190 12 13 CHEBOYGAN MARINA  
KPZQ 180655Z 190 5 ROGERS CITY  
PRIM4 180650Z 200 1 4 PRESQUE ISLE LIGHT  
KAPN 180654Z 180 5 ALPENA GUARD BASE  
APNM4 180650Z CALM ALPENA HARBOR LIGHT  
TBIM4 180630Z CALM THUNDER BAY ISLAND  
TAWM4 180640Z 230 6 9 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180655Z CALM MANISTIQUE  
PNLM4 180630Z 230 17 19 PORT INLAND  
NABM4 180640Z 190 18 21 NAUBINWAY  
KSJX 180655Z 190 7 ST JAMES  
KPLN 180654Z 170 5 PELLSTON  
KMGN 180655Z 160 4 HARBOR SPRINGS  
KCVX 180655Z 160 6 CHARLEVOIX  
GTLM4 180640Z 190 6 14 GRAND TRAVERSE LIGHT  
KTVC 180653Z 200 4 TRAVERSE CITY  
BSBM4 180640Z 200 20 25 BIG SABLE POINT  
LDTM4 180630Z 210 14 22 LUDINGTON  
KLDM 180655Z 140 5 LUDINGTON AIRPORT  
 
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