850  
SXUS83 KAPX 150708  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
308 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 150650Z 160 2 GRAND MARAIS  
GRMM4 150650Z 160 2 GRAND MARAIS  
PTIM4 150630Z 300 6 8 POINT IROQUOIS  
KANJ 150655Z CALM SAULT STE MARIE  
SWPM4 150630Z 320 3 5 69.97 S.W. PIER  
LTRM4 150630Z 220 1 62.78 LITTLE RAPIDS  
RCKM4 150630Z 340 3 5 70.16 ROCK CUT  
WNEM4 150630Z 340 4 5 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150630Z 360 4 6 67.09 DETOUR VILLAGE  
KDRM 150655Z CALM DRUMMOND ISLAND  
KMCD 150655Z 40 5 MACKINAC ISLAND  
MACM4 150630Z 50 3 4 73.57 MACKINAC CITY  
KSLH 150656Z 260 2 CHEBOYGAN AIRPORT  
CYGM4 150705Z 260 4 7 CHEBOYGAN MARINA  
KPZQ 150655Z 220 2 ROGERS CITY  
PRIM4 150650Z CALM PRESQUE ISLE LIGHT  
KAPN 150654Z CALM ALPENA GUARD BASE  
APNM4 150650Z 310 3 4 ALPENA HARBOR LIGHT  
TBIM4 150630Z 360 4 THUNDER BAY ISLAND  
SPTM4 150650Z CALM STURGEON POINT LIGHT  
KOSC 150636Z 70 1 OSCODA  
TAWM4 150640Z 330 3 5 TAWAS POINT  
GSLM4 150640Z 30 5 7 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150655Z 10 5 MANISTIQUE  
PNLM4 150630Z 10 5 7 69.07 PORT INLAND  
NABM4 150640Z 10 8 11 NAUBINWAY  
KSJX 150655Z 130 2 ST JAMES  
KPLN 150654Z CALM PELLSTON  
KMGN 150655Z 80 4 HARBOR SPRINGS  
KCVX 150655Z 120 4 CHARLEVOIX  
GTLM4 150640Z 100 6 9 GRAND TRAVERSE LIGHT  
KTVC 150653Z CALM TRAVERSE CITY  
KFKS 150655Z 100 5 FRANKFORT  
BSBM4 150640Z 80 6 8 BIG SABLE POINT  
LDTM4 150630Z 80 4 5 LUDINGTON  
KLDM 150655Z 60 4 LUDINGTON AIRPORT  
 
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