543  
SXUS83 KAPX 050808  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
408 AM EDT SUN JUL 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 CALM 4 GRAND MARAIS  
GRMM4 050750Z CALM 4 GRAND MARAIS  
PTIM4 050730Z CALM 1 POINT IROQUOIS  
CYAM 050700Z CALM SOO (CANADA)  
KANJ 050755Z 70 4 SAULT STE MARIE  
SWPM4 050730Z 80 5 7 60.07 S.W. PIER  
LTRM4 050730Z 110 2 3 53.41 LITTLE RAPIDS  
RCKM4 050730Z 290 2 3 61.87 ROCK CUT  
WNEM4 050730Z 340 2 3 56.29 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 050730Z 50 8 11 61.34 DETOUR VILLAGE  
KDRM 050755Z 50 6 DRUMMOND ISLAND  
KMCD 050755Z 60 10 MACKINAC ISLAND  
MACM4 050730Z 30 7 9 67.28 MACKINAC CITY  
KSLH 050755Z 260 1 CHEBOYGAN AIRPORT  
CYGM4 050805Z 40 8 11 CHEBOYGAN MARINA  
KPZQ 050755Z 280 2 ROGERS CITY  
KAPN 050754Z CALM ALPENA GUARD BASE  
APNM4 050750Z 10 7 9 ALPENA HARBOR LIGHT  
TBIM4 050730Z 360 7 8 THUNDER BAY ISLAND  
SPTM4 050750Z 320 4 10 STURGEON POINT LIGHT  
KOSC 050755Z 350 5 OSCODA  
TAWM4 050740Z 30 3 8 TAWAS POINT  
GSLM4 050740Z 30 12 14 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 050755Z 20 4 MANISTIQUE  
PNLM4 050730Z 10 2 3 66.01 PORT INLAND  
NABM4 050740Z 40 9 12 NAUBINWAY  
KSJX 050755Z 60 1 ST JAMES  
KMGN 050755Z CALM HARBOR SPRINGS  
KCVX 050755Z 100 3 CHARLEVOIX  
GTLM4 050740Z 60 7 9 GRAND TRAVERSE LIGHT  
KTVC 050753Z 40 4 TRAVERSE CITY  
KFKS 050755Z 60 5 FRANKFORT  
BSBM4 050740Z 10 6 8 BIG SABLE POINT  
LDTM4 050730Z 70 3 4 LUDINGTON  
KLDM 050755Z 360 5 LUDINGTON AIRPORT  
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