820  
SXUS83 KAPX 170338  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1138 PM EDT THU JUL 16 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 170250Z CALM 2 GRAND MARAIS  
GRMM4 170250Z CALM 2 GRAND MARAIS  
PTIM4 170300Z 290 5 12 POINT IROQUOIS  
CYAM 170300Z 260 5 SOO (CANADA)  
KANJ 170255Z 60 3 SAULT STE MARIE  
SWPM4 170300Z 50 3 5 69.44 S.W. PIER  
LTRM4 170300Z 60 4 5 59.54 LITTLE RAPIDS  
RCKM4 170300Z 350 5 9 69.61 ROCK CUT  
WNEM4 170300Z 50 2 4 60.79 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 170300Z 320 9 16 66.19 DETOUR VILLAGE  
KDRM 170315Z CALM DRUMMOND ISLAND  
KMCD 170315Z 360 3 MACKINAC ISLAND  
MACM4 170300Z CALM 2 70.87 MACKINAC CITY  
KSLH 170316Z 240 2 CHEBOYGAN AIRPORT  
CYGM4 170330Z 20 2 8 CHEBOYGAN MARINA  
KPZQ 170315Z 320 6 ROGERS CITY  
PRIM4 170250Z 290 12 19 PRESQUE ISLE LIGHT  
KAPN 170309Z 280 5 ALPENA GUARD BASE  
APNM4 170310Z 310 7 9 ALPENA HARBOR LIGHT  
TBIM4 170300Z 310 5 8 THUNDER BAY ISLAND  
SPTM4 170250Z 290 3 8 STURGEON POINT LIGHT  
KOSC 170315Z 290 5 OSCODA  
TAWM4 170240Z 300 3 5 TAWAS POINT  
GSLM4 170240Z 280 10 11 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 170315Z 330 1 MANISTIQUE  
PNLM4 170300Z 280 3 4 62.24 PORT INLAND  
NABM4 170240Z 300 4 NAUBINWAY  
KSJX 170315Z CALM ST JAMES  
KPLN 170254Z CALM PELLSTON  
KMGN 170315Z CALM HARBOR SPRINGS  
KCVX 170315Z 210 2 CHARLEVOIX  
GTLM4 170240Z 250 3 5 GRAND TRAVERSE LIGHT  
KTVC 170253Z CALM TRAVERSE CITY  
BSBM4 170240Z 80 4 5 BIG SABLE POINT  
LDTM4 170300Z 80 3 4 LUDINGTON  
KLDM 170315Z 80 4 LUDINGTON AIRPORT  
 
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