867  
SXUS83 KAPX 181338  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
938 AM 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 181250Z 290 32 38 GRAND MARAIS  
GRMM4 181250Z 290 32 38 GRAND MARAIS  
PTIM4 181300Z 290 22 26 POINT IROQUOIS  
CYAM 181300Z 300 20 27 SOO (CANADA)  
KANJ 181255Z 300 16 28 SAULT STE MARIE  
SWPM4 181300Z 300 20 26 S.W. PIER  
LTRM4 181300Z 300 17 24 LITTLE RAPIDS  
RCKM4 181300Z 300 19 28 ROCK CUT  
WNEM4 181300Z 320 20 29 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 181300Z 340 18 26 33.79 DETOUR VILLAGE  
KDRM 181315Z 310 8 DRUMMOND ISLAND  
KMCD 181315Z 300 11 17 MACKINAC ISLAND  
MACM4 181300Z 300 13 18 34.69 MACKINAC CITY  
KSLH 181315Z 310 15 19 CHEBOYGAN AIRPORT  
CYGM4 181330Z 280 18 30 CHEBOYGAN MARINA  
KPZQ 181315Z 310 19 32 ROGERS CITY  
PRIM4 181250Z 200 10 15 PRESQUE ISLE LIGHT  
KAPN 181254Z 200 9 ALPENA GUARD BASE  
APNM4 181320Z 210 15 18 ALPENA HARBOR LIGHT  
SPTM4 181250Z 180 11 16 STURGEON POINT LIGHT  
KOSC 181315Z 200 12 19 OSCODA  
TAWM4 181240Z 200 13 18 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 181315Z 310 6 MANISTIQUE  
PNLM4 181300Z 320 13 18 PORT INLAND  
NABM4 181240Z 320 9 20 NAUBINWAY  
KSJX 181315Z 310 7 15 ST JAMES  
KPLN 181254Z 310 15 24 PELLSTON  
KMGN 181315Z 280 4 HARBOR SPRINGS  
KCVX 181315Z 300 14 CHARLEVOIX  
GTLM4 181240Z 310 9 15 GRAND TRAVERSE LIGHT  
KTVC 181253Z 320 11 17 TRAVERSE CITY  
KFKS 181315Z 330 7 FRANKFORT  
BSBM4 181240Z 280 16 18 BIG SABLE POINT  
LDTM4 181300Z 300 10 16 LUDINGTON  
KLDM 181315Z 300 9 18 LUDINGTON AIRPORT  
 
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