704  
SXUS83 KAPX 180638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 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 180600Z 120 6 8 POINT IROQUOIS  
CYAM 180600Z 80 6 SOO (CANADA)  
KANJ 180555Z 80 3 SAULT STE MARIE  
SWPM4 180600Z 110 4 5 S.W. PIER  
LTRM4 180600Z 70 2 LITTLE RAPIDS  
RCKM4 180600Z CALM 1 ROCK CUT  
WNEM4 180600Z 190 2 3 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180600Z CALM 1 33.97 DETOUR VILLAGE  
KDRM 180615Z CALM DRUMMOND ISLAND  
KMCD 180615Z 180 9 MACKINAC ISLAND  
MACM4 180600Z 190 8 10 32.18 MACKINAC CITY  
KSLH 180615Z 180 6 CHEBOYGAN AIRPORT  
CYGM4 180630Z 190 8 9 CHEBOYGAN MARINA  
KPZQ 180615Z 200 5 ROGERS CITY  
PRIM4 180550Z 200 2 PRESQUE ISLE LIGHT  
KAPN 180554Z 200 6 ALPENA GUARD BASE  
APNM4 180620Z CALM 1 ALPENA HARBOR LIGHT  
TBIM4 180600Z CALM THUNDER BAY ISLAND  
TAWM4 180540Z 250 6 8 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180615Z 240 4 MANISTIQUE  
PNLM4 180600Z 230 15 17 PORT INLAND  
NABM4 180540Z 180 13 16 NAUBINWAY  
KSJX 180615Z 170 6 ST JAMES  
KPLN 180554Z 170 4 PELLSTON  
KMGN 180615Z CALM HARBOR SPRINGS  
KCVX 180615Z 170 6 CHARLEVOIX  
GTLM4 180540Z 200 6 13 GRAND TRAVERSE LIGHT  
BSBM4 180540Z 210 19 24 BIG SABLE POINT  
LDTM4 180600Z 190 11 16 LUDINGTON  
KLDM 180615Z 130 6 LUDINGTON AIRPORT  
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