574  
SXUS83 KAPX 202108  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
508 PM EDT THU AUG 20 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 202050Z 90 8 9 GRAND MARAIS  
GRMM4 202050Z 90 8 9 GRAND MARAIS  
PTIM4 202030Z 350 6 7 POINT IROQUOIS  
CYAM 202000Z 260 5 SOO (CANADA)  
KANJ 202055Z CALM SAULT STE MARIE  
SWPM4 202030Z 210 1 3 69.07 S.W. PIER  
LTRM4 202030Z 250 5 7 62.96 LITTLE RAPIDS  
RCKM4 202030Z 130 10 68.36 ROCK CUT  
WNEM4 202030Z 150 7 10 64.57 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 202030Z 180 6 8 65.29 DETOUR VILLAGE  
KDRM 202055Z 190 3 DRUMMOND ISLAND  
MACM4 202030Z 300 7 10 71.59 MACKINAC CITY  
KSLH 202055Z 30 6 CHEBOYGAN AIRPORT  
CYGM4 202105Z 30 6 12 CHEBOYGAN MARINA  
KPZQ 202055Z 80 7 ROGERS CITY  
PRIM4 202050Z 70 3 7 PRESQUE ISLE LIGHT  
KAPN 202054Z 110 8 ALPENA GUARD BASE  
SPTM4 202050Z 100 2 8 STURGEON POINT LIGHT  
KOSC 202037Z 110 9 OSCODA  
TAWM4 202040Z 100 8 12 TAWAS POINT  
GSLM4 202040Z 60 10 12 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 202055Z 180 7 MANISTIQUE  
PNLM4 202030Z 210 9 10 63.31 PORT INLAND  
NABM4 202040Z 220 7 8 NAUBINWAY  
KSJX 202055Z 250 8 ST JAMES  
KPLN 202054Z 320 5 PELLSTON  
KCVX 202055Z 340 6 CHARLEVOIX  
GTLM4 202040Z 290 5 7 GRAND TRAVERSE LIGHT  
KTVC 202053Z 30 6 TRAVERSE CITY  
BSBM4 202040Z 280 5 6 BIG SABLE POINT  
LDTM4 202030Z 280 5 9 LUDINGTON  
KLDM 202055Z 310 8 LUDINGTON AIRPORT  
 
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