680  
SXUS83 KAPX 180438  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 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 180400Z 170 3 5 POINT IROQUOIS  
KANJ 180355Z CALM SAULT STE MARIE  
SWPM4 180400Z CALM 1 S.W. PIER  
LTRM4 180400Z 160 3 4 LITTLE RAPIDS  
RCKM4 180400Z 120 1 ROCK CUT  
WNEM4 180400Z 150 3 4 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180400Z 300 1 2 33.97 DETOUR VILLAGE  
KDRM 180415Z CALM DRUMMOND ISLAND  
KMCD 180415Z 160 4 MACKINAC ISLAND  
MACM4 180400Z 190 5 7 32.18 MACKINAC CITY  
KSLH 180415Z 190 3 CHEBOYGAN AIRPORT  
CYGM4 180430Z 190 8 10 CHEBOYGAN MARINA  
KPZQ 180415Z 200 4 ROGERS CITY  
PRIM4 180350Z CALM PRESQUE ISLE LIGHT  
KAPN 180354Z 210 4 ALPENA GUARD BASE  
APNM4 180420Z CALM ALPENA HARBOR LIGHT  
TBIM4 180400Z CALM THUNDER BAY ISLAND  
TAWM4 180340Z 250 8 13 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180415Z CALM MANISTIQUE  
PNLM4 180400Z 210 14 17 PORT INLAND  
NABM4 180340Z 10 3 4 NAUBINWAY  
KSJX 180415Z 190 5 ST JAMES  
KPLN 180354Z 220 5 PELLSTON  
KMGN 180415Z 190 3 HARBOR SPRINGS  
KCVX 180415Z 160 3 CHARLEVOIX  
GTLM4 180340Z 190 6 10 GRAND TRAVERSE LIGHT  
KTVC 180353Z 190 4 TRAVERSE CITY  
BSBM4 180340Z 210 15 18 BIG SABLE POINT  
LDTM4 180400Z 140 6 10 LUDINGTON  
KLDM 180415Z 150 4 LUDINGTON AIRPORT  
 
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