818  
SXUS83 KAPX 151338  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
938 AM EDT SAT AUG 15 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 151250Z CALM 1 GRAND MARAIS  
GRMM4 151250Z CALM 1 GRAND MARAIS  
PTIM4 151300Z 120 5 9 POINT IROQUOIS  
CYAM 151300Z 80 3 SOO (CANADA)  
KANJ 151255Z 70 4 SAULT STE MARIE  
SWPM4 151300Z 80 5 6 69.97 S.W. PIER  
LTRM4 151300Z 70 2 3 62.96 LITTLE RAPIDS  
RCKM4 151300Z 120 1 2 69.97 ROCK CUT  
WNEM4 151300Z CALM 3 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151300Z 30 3 4 66.91 DETOUR VILLAGE  
KDRM 151315Z CALM DRUMMOND ISLAND  
MACM4 151300Z 100 1 2 73.39 MACKINAC CITY  
KSLH 151315Z 150 4 CHEBOYGAN AIRPORT  
CYGM4 151330Z 110 4 5 CHEBOYGAN MARINA  
KPZQ 151315Z 120 3 ROGERS CITY  
PRIM4 151250Z CALM PRESQUE ISLE LIGHT  
KAPN 151254Z CALM ALPENA GUARD BASE  
APNM4 151320Z 360 1 ALPENA HARBOR LIGHT  
TBIM4 151300Z 110 8 THUNDER BAY ISLAND  
SPTM4 151250Z 90 4 7 STURGEON POINT LIGHT  
KOSC 151316Z 20 2 OSCODA  
TAWM4 151240Z 10 3 5 TAWAS POINT  
GSLM4 151240Z 60 5 7 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151315Z 80 3 MANISTIQUE  
PNLM4 151300Z 110 3 4 68.54 PORT INLAND  
NABM4 151240Z 50 3 4 NAUBINWAY  
KSJX 151315Z 100 5 ST JAMES  
KPLN 151254Z 170 3 PELLSTON  
KMGN 151315Z 80 6 HARBOR SPRINGS  
KCVX 151315Z 110 6 CHARLEVOIX  
GTLM4 151240Z 130 3 7 GRAND TRAVERSE LIGHT  
KTVC 151253Z CALM TRAVERSE CITY  
BSBM4 151240Z 100 10 13 BIG SABLE POINT  
LDTM4 151300Z 100 6 10 LUDINGTON  
KLDM 151315Z 110 9 LUDINGTON AIRPORT  
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