423  
SXUS83 KAPX 050838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
438 AM EDT SAT SEP 5 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 050750Z 130 1 GRAND MARAIS  
GRMM4 050750Z 130 1 GRAND MARAIS  
PTIM4 050800Z 250 3 5 POINT IROQUOIS  
CYAM 050800Z CALM SOO (CANADA)  
KANJ 050755Z CALM SAULT STE MARIE  
SWPM4 050800Z CALM 67.64 S.W. PIER  
LTRM4 050800Z 360 2 4 62.24 LITTLE RAPIDS  
RCKM4 050800Z 310 3 4 67.81 ROCK CUT  
WNEM4 050800Z 340 2 3 64.04 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 050800Z 360 6 7 62.96 DETOUR VILLAGE  
KDRM 050815Z CALM DRUMMOND ISLAND  
KMCD 050815Z 20 5 MACKINAC ISLAND  
MACM4 050800Z 30 4 5 67.64 MACKINAC CITY  
KSLH 050816Z 300 1 CHEBOYGAN AIRPORT  
CYGM4 050830Z 330 4 CHEBOYGAN MARINA  
KPZQ 050815Z 260 1 ROGERS CITY  
PRIM4 050750Z 300 1 3 PRESQUE ISLE LIGHT  
KAPN 050829Z CALM ALPENA GUARD BASE  
APNM4 050820Z 340 2 3 ALPENA HARBOR LIGHT  
TBIM4 050800Z 360 7 8 THUNDER BAY ISLAND  
SPTM4 050750Z 340 4 8 STURGEON POINT LIGHT  
KOSC 050815Z 360 5 OSCODA  
TAWM4 050740Z 360 2 5 TAWAS POINT  
GSLM4 050740Z 40 12 14 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 050815Z 10 3 MANISTIQUE  
PNLM4 050800Z 30 5 7 66.01 PORT INLAND  
NABM4 050740Z 340 1 2 NAUBINWAY  
KSJX 050815Z 70 5 ST JAMES  
KPLN 050820Z CALM PELLSTON  
KMGN 050815Z 70 4 HARBOR SPRINGS  
KCVX 050815Z 70 5 CHARLEVOIX  
GTLM4 050740Z 90 6 10 GRAND TRAVERSE LIGHT  
KTVC 050753Z 70 4 TRAVERSE CITY  
KFKS 050815Z 90 5 FRANKFORT  
BSBM4 050740Z 100 8 11 BIG SABLE POINT  
LDTM4 050800Z 90 5 7 LUDINGTON  
KLDM 050815Z 100 5 LUDINGTON AIRPORT  
 
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