866  
SXUS83 KAPX 151108  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
708 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 151050Z CALM 2 GRAND MARAIS  
GRMM4 151050Z CALM 2 GRAND MARAIS  
PTIM4 151030Z 130 2 3 POINT IROQUOIS  
CYAM 151000Z 260 2 SOO (CANADA)  
KANJ 151055Z CALM SAULT STE MARIE  
SWPM4 151030Z 140 1 2 69.97 S.W. PIER  
LTRM4 151030Z 110 2 4 62.59 LITTLE RAPIDS  
RCKM4 151030Z 300 3 70.16 ROCK CUT  
WNEM4 151030Z CALM 1 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151030Z 190 1 2 66.91 DETOUR VILLAGE  
KDRM 151055Z CALM DRUMMOND ISLAND  
KMCD 151056Z 170 3 MACKINAC ISLAND  
MACM4 151030Z 210 3 4 73.39 MACKINAC CITY  
KSLH 151055Z 260 2 CHEBOYGAN AIRPORT  
CYGM4 151105Z 230 6 7 CHEBOYGAN MARINA  
KPZQ 151055Z 250 3 ROGERS CITY  
PRIM4 151050Z 150 1 4 PRESQUE ISLE LIGHT  
KAPN 151101Z CALM ALPENA GUARD BASE  
APNM4 151050Z 310 4 5 ALPENA HARBOR LIGHT  
TBIM4 151030Z 90 6 THUNDER BAY ISLAND  
SPTM4 151050Z CALM STURGEON POINT LIGHT  
KOSC 151037Z 340 2 OSCODA  
TAWM4 151040Z 30 1 4 TAWAS POINT  
GSLM4 151040Z 70 9 12 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151055Z 330 2 MANISTIQUE  
PNLM4 151030Z 30 5 6 68.71 PORT INLAND  
NABM4 151040Z 340 2 3 NAUBINWAY  
KSJX 151055Z 100 4 ST JAMES  
KPLN 151054Z CALM PELLSTON  
KMGN 151055Z 60 4 HARBOR SPRINGS  
KCVX 151055Z 140 4 CHARLEVOIX  
GTLM4 151040Z 140 2 4 GRAND TRAVERSE LIGHT  
KTVC 151053Z CALM TRAVERSE CITY  
KFKS 151055Z 310 2 FRANKFORT  
BSBM4 151040Z 90 10 13 BIG SABLE POINT  
LDTM4 151030Z 80 5 7 LUDINGTON  
KLDM 151055Z 80 7 LUDINGTON AIRPORT  
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