188  
SXUS83 KAPX 250938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 AM EDT TUE AUG 25 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 250850Z 190 4 5 GRAND MARAIS  
GRMM4 250850Z 190 4 5 GRAND MARAIS  
PTIM4 250900Z 270 3 8 POINT IROQUOIS  
CYAM 250900Z CALM SOO (CANADA)  
KANJ 250926Z CALM SAULT STE MARIE  
SWPM4 250900Z 330 1 2 67.46 S.W. PIER  
LTRM4 250900Z CALM 1 62.24 LITTLE RAPIDS  
RCKM4 250900Z 240 1 2 65.84 ROCK CUT  
WNEM4 250900Z 310 2 63.49 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 250900Z 320 4 6 62.24 DETOUR VILLAGE  
KDRM 250915Z CALM DRUMMOND ISLAND  
KMCD 250915Z 300 4 MACKINAC ISLAND  
MACM4 250900Z 250 4 5 68.18 MACKINAC CITY  
KSLH 250915Z 250 1 CHEBOYGAN AIRPORT  
CYGM4 250930Z 190 4 CHEBOYGAN MARINA  
KPZQ 250915Z 270 3 ROGERS CITY  
PRIM4 250850Z 280 8 13 PRESQUE ISLE LIGHT  
KAPN 250854Z CALM ALPENA GUARD BASE  
SPTM4 250850Z 280 4 7 STURGEON POINT LIGHT  
KOSC 250919Z 250 1 OSCODA  
TAWM4 250840Z 330 5 8 TAWAS POINT  
GSLM4 250840Z 310 10 11 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 250915Z 20 2 MANISTIQUE  
PNLM4 250900Z 330 3 4 51.61 PORT INLAND  
NABM4 250840Z 290 4 6 NAUBINWAY  
KSJX 250915Z 170 1 ST JAMES  
KPLN 250854Z CALM PELLSTON  
KMGN 250915Z 40 2 HARBOR SPRINGS  
KCVX 250915Z 100 1 CHARLEVOIX  
GTLM4 250840Z 270 2 GRAND TRAVERSE LIGHT  
KTVC 250853Z CALM TRAVERSE CITY  
KFKS 250915Z 160 1 FRANKFORT  
BSBM4 250840Z 150 4 5 BIG SABLE POINT  
LDTM4 250900Z 90 2 3 LUDINGTON  
KLDM 250915Z 80 2 LUDINGTON AIRPORT  
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