522  
SXUS83 KAPX 181608  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1208 PM EDT SAT APR 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 181540Z 290 30 33 GRAND MARAIS  
GRMM4 181540Z 290 30 33 GRAND MARAIS  
PTIM4 181530Z 280 19 23 POINT IROQUOIS  
CYAM 181500Z 300 22 31 SOO (CANADA)  
KANJ 181555Z 290 17 30 SAULT STE MARIE  
SWPM4 181530Z 290 25 28 S.W. PIER  
LTRM4 181530Z 290 15 25 LITTLE RAPIDS  
RCKM4 181530Z 300 12 20 ROCK CUT  
WNEM4 181530Z 310 19 25 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 181530Z 320 11 20 33.79 DETOUR VILLAGE  
KDRM 181555Z 290 7 DRUMMOND ISLAND  
KMCD 181555Z 280 15 19 MACKINAC ISLAND  
MACM4 181530Z 300 15 20 34.69 MACKINAC CITY  
KSLH 181555Z 290 18 23 CHEBOYGAN AIRPORT  
CYGM4 181600Z 310 14 41 CHEBOYGAN MARINA  
KPZQ 181555Z 280 9 16 ROGERS CITY  
PRIM4 181550Z 290 20 28 PRESQUE ISLE LIGHT  
KAPN 181554Z 290 10 19 ALPENA GUARD BASE  
APNM4 181550Z 290 14 18 ALPENA HARBOR LIGHT  
SPTM4 181550Z 300 12 24 STURGEON POINT LIGHT  
KOSC 181555Z 300 17 22 OSCODA  
TAWM4 181540Z 290 15 26 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 181555Z 300 7 MANISTIQUE  
PNLM4 181530Z 310 9 19 PORT INLAND  
NABM4 181540Z 320 12 23 NAUBINWAY  
KSJX 181555Z 320 9 ST JAMES  
KPLN 181554Z 300 16 22 PELLSTON  
KMGN 181555Z 280 11 17 HARBOR SPRINGS  
KCVX 181555Z 290 11 CHARLEVOIX  
GTLM4 181540Z 300 14 17 GRAND TRAVERSE LIGHT  
KTVC 181553Z 310 11 TRAVERSE CITY  
KFKS 181555Z 290 12 16 FRANKFORT  
BSBM4 181540Z 290 9 10 BIG SABLE POINT  
LDTM4 181530Z 310 6 12 LUDINGTON  
KLDM 181555Z 300 10 17 LUDINGTON AIRPORT  
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