677  
SXUS83 KAPX 080938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 AM EDT TUE SEP 8 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 080850Z 150 8 9 GRAND MARAIS  
GRMM4 080850Z 150 8 9 GRAND MARAIS  
PTIM4 080900Z 100 7 9 POINT IROQUOIS  
CYAM 080900Z 90 5 SOO (CANADA)  
KANJ 080855Z 70 3 SAULT STE MARIE  
SWPM4 080900Z 90 4 5 67.99 S.W. PIER  
LTRM4 080900Z 90 2 62.78 LITTLE RAPIDS  
RCKM4 080900Z 50 1 3 68.54 ROCK CUT  
WNEM4 080900Z 130 1 63.86 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 080900Z 160 7 8 64.21 DETOUR VILLAGE  
KDRM 080915Z CALM DRUMMOND ISLAND  
KMCD 080915Z 150 8 MACKINAC ISLAND  
MACM4 080900Z 180 6 7 68.18 MACKINAC CITY  
KSLH 080915Z 190 4 CHEBOYGAN AIRPORT  
CYGM4 080930Z 210 8 12 CHEBOYGAN MARINA  
KPZQ 080915Z 180 3 ROGERS CITY  
PRIM4 080850Z 150 2 4 PRESQUE ISLE LIGHT  
KAPN 080918Z CALM ALPENA GUARD BASE  
APNM4 080920Z CALM ALPENA HARBOR LIGHT  
TBIM4 080900Z 190 5 6 THUNDER BAY ISLAND  
SPTM4 080850Z 190 1 3 STURGEON POINT LIGHT  
KOSC 080915Z 250 1 OSCODA  
TAWM4 080840Z 190 2 6 TAWAS POINT  
GSLM4 080840Z 200 5 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 080915Z 170 5 MANISTIQUE  
PNLM4 080900Z 190 6 7 71.41 PORT INLAND  
NABM4 080740Z 70 4 6 NAUBINWAY  
KSJX 080915Z 150 4 ST JAMES  
KMGN 080915Z 60 3 HARBOR SPRINGS  
GTLM4 080840Z 160 5 8 GRAND TRAVERSE LIGHT  
KTVC 080853Z CALM TRAVERSE CITY  
KFKS 080915Z 140 5 FRANKFORT  
BSBM4 080840Z 140 7 10 BIG SABLE POINT  
LDTM4 080900Z 100 3 4 LUDINGTON  
KLDM 080915Z 110 3 LUDINGTON AIRPORT  
 
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