238  
SXUS83 KAPX 151038  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
638 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 150950Z CALM 3 GRAND MARAIS  
GRMM4 150950Z CALM 3 GRAND MARAIS  
PTIM4 151000Z 140 2 POINT IROQUOIS  
CYAM 151000Z 260 2 SOO (CANADA)  
KANJ 150955Z 80 3 SAULT STE MARIE  
SWPM4 151000Z 130 1 2 69.97 S.W. PIER  
LTRM4 151000Z 70 5 6 62.78 LITTLE RAPIDS  
RCKM4 151000Z 330 2 70.16 ROCK CUT  
WNEM4 151000Z CALM 1 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151000Z 10 2 3 67.09 DETOUR VILLAGE  
KDRM 151015Z CALM DRUMMOND ISLAND  
KMCD 151015Z 140 5 MACKINAC ISLAND  
MACM4 151000Z 210 3 73.57 MACKINAC CITY  
KSLH 151015Z 220 3 CHEBOYGAN AIRPORT  
CYGM4 151030Z 200 4 7 CHEBOYGAN MARINA  
KPZQ 151015Z 200 3 ROGERS CITY  
PRIM4 150950Z CALM PRESQUE ISLE LIGHT  
KAPN 150954Z CALM ALPENA GUARD BASE  
APNM4 151020Z 310 2 3 ALPENA HARBOR LIGHT  
TBIM4 151000Z 90 6 THUNDER BAY ISLAND  
SPTM4 150950Z 340 1 7 STURGEON POINT LIGHT  
KOSC 150956Z 350 3 OSCODA  
TAWM4 150940Z 10 2 4 TAWAS POINT  
GSLM4 150940Z 60 10 12 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151015Z 10 3 MANISTIQUE  
PNLM4 151000Z 10 4 68.89 PORT INLAND  
NABM4 150940Z 10 2 NAUBINWAY  
KSJX 151015Z 110 4 ST JAMES  
KPLN 150954Z CALM PELLSTON  
KMGN 151015Z 40 4 HARBOR SPRINGS  
KCVX 151015Z 140 5 CHARLEVOIX  
GTLM4 150940Z 130 2 6 GRAND TRAVERSE LIGHT  
KTVC 150953Z CALM TRAVERSE CITY  
KFKS 151015Z 320 2 FRANKFORT  
BSBM4 150940Z 100 10 13 BIG SABLE POINT  
LDTM4 151000Z 80 4 5 LUDINGTON  
KLDM 151015Z 80 6 LUDINGTON AIRPORT  
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