158  
SXUS83 KAPX 050138  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
938 PM EDT TUE AUG 4 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 050050Z 170 4 5 GRAND MARAIS  
GRMM4 050050Z 170 4 5 GRAND MARAIS  
PTIM4 050100Z 310 7 10 POINT IROQUOIS  
CYAM 050100Z 300 4 SOO (CANADA)  
KANJ 050114Z 300 4 SAULT STE MARIE  
SWPM4 050100Z 280 6 66.91 S.W. PIER  
LTRM4 050100Z 300 3 5 60.44 LITTLE RAPIDS  
RCKM4 050100Z 290 4 5 68.18 ROCK CUT  
WNEM4 050100Z 310 4 6 62.96 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 050100Z 350 8 10 65.11 DETOUR VILLAGE  
KDRM 050115Z CALM DRUMMOND ISLAND  
KMCD 050116Z 280 3 MACKINAC ISLAND  
MACM4 050100Z 250 4 6 70.69 MACKINAC CITY  
KSLH 050116Z 280 5 CHEBOYGAN AIRPORT  
CYGM4 050130Z 270 2 6 CHEBOYGAN MARINA  
KPZQ 050115Z 20 4 ROGERS CITY  
PRIM4 050050Z 330 8 16 PRESQUE ISLE LIGHT  
KAPN 050054Z 200 3 ALPENA GUARD BASE  
APNM4 050120Z 170 8 ALPENA HARBOR LIGHT  
TBIM4 050100Z 170 14 16 THUNDER BAY ISLAND  
SPTM4 050050Z 190 3 9 STURGEON POINT LIGHT  
KOSC 050115Z 190 7 OSCODA  
TAWM4 050040Z 200 3 6 TAWAS POINT  
GSLM4 050040Z 200 6 8 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 050115Z 10 4 MANISTIQUE  
PNLM4 050100Z 70 3 4 69.26 PORT INLAND  
NABM4 050040Z 20 7 9 NAUBINWAY  
KSJX 050115Z 360 3 ST JAMES  
KPLN 050054Z 270 5 PELLSTON  
KMGN 050115Z 340 5 HARBOR SPRINGS  
KCVX 050115Z 230 5 CHARLEVOIX  
GTLM4 050040Z 240 10 12 GRAND TRAVERSE LIGHT  
KTVC 050053Z 200 4 TRAVERSE CITY  
BSBM4 050040Z 170 11 16 BIG SABLE POINT  
LDTM4 050100Z 200 8 10 LUDINGTON  
KLDM 050115Z 170 5 LUDINGTON AIRPORT  
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