322  
SXUS83 KAPX 180338  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1138 PM EDT FRI APR 17 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 180250Z 160 19 GRAND MARAIS  
GRMM4 180250Z 160 19 GRAND MARAIS  
PTIM4 180300Z 110 17 19 POINT IROQUOIS  
CYAM 180300Z 90 11 18 SOO (CANADA)  
KANJ 180255Z 100 12 19 SAULT STE MARIE  
SWPM4 180300Z 110 10 17 S.W. PIER  
LTRM4 180300Z 110 10 14 LITTLE RAPIDS  
RCKM4 180300Z 130 13 18 ROCK CUT  
WNEM4 180300Z 150 12 16 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180300Z 150 15 21 33.97 DETOUR VILLAGE  
KDRM 180315Z 150 13 18 DRUMMOND ISLAND  
KMCD 180315Z 130 9 MACKINAC ISLAND  
MACM4 180300Z 140 13 18 33.97 MACKINAC CITY  
KSLH 180315Z 180 7 CHEBOYGAN AIRPORT  
CYGM4 180330Z 160 21 24 CHEBOYGAN MARINA  
KPZQ 180315Z 170 11 15 ROGERS CITY  
PRIM4 180250Z 160 13 20 PRESQUE ISLE LIGHT  
KAPN 180254Z 110 6 ALPENA GUARD BASE  
APNM4 180320Z 140 16 17 ALPENA HARBOR LIGHT  
SPTM4 180250Z 180 11 18 STURGEON POINT LIGHT  
KOSC 180315Z 160 9 OSCODA  
TAWM4 180240Z 130 9 12 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180315Z 160 3 MANISTIQUE  
PNLM4 180300Z 200 9 11 PORT INLAND  
NABM4 180240Z 130 14 20 NAUBINWAY  
KSJX 180315Z 190 10 23 ST JAMES  
KPLN 180254Z 160 10 PELLSTON  
KMGN 180315Z 180 5 14 HARBOR SPRINGS  
KCVX 180315Z 210 9 15 CHARLEVOIX  
GTLM4 180240Z 180 5 13 GRAND TRAVERSE LIGHT  
KTVC 180253Z 180 11 TRAVERSE CITY  
BSBM4 180240Z 240 18 32 BIG SABLE POINT  
LDTM4 180300Z 260 3 9 LUDINGTON  
KLDM 180315Z 220 9 LUDINGTON AIRPORT  
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