440  
SXUS83 KAPX 250238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1038 PM EDT MON AUG 24 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 250150Z 290 4 7 GRAND MARAIS  
GRMM4 250150Z 290 4 7 GRAND MARAIS  
PTIM4 250200Z 270 6 11 POINT IROQUOIS  
CYAM 250200Z 290 10 15 SOO (CANADA)  
KANJ 250155Z 280 7 SAULT STE MARIE  
SWPM4 250200Z 270 8 10 67.64 S.W. PIER  
LTRM4 250200Z 260 3 5 62.24 LITTLE RAPIDS  
RCKM4 250200Z 300 5 11 66.19 ROCK CUT  
WNEM4 250200Z 300 8 12 63.49 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 250200Z 300 7 13 62.59 DETOUR VILLAGE  
KDRM 250215Z 290 6 DRUMMOND ISLAND  
KMCD 250215Z 330 8 MACKINAC ISLAND  
MACM4 250200Z 330 6 10 68.71 MACKINAC CITY  
KSLH 250215Z 320 7 CHEBOYGAN AIRPORT  
CYGM4 250230Z 310 16 25 CHEBOYGAN MARINA  
KPZQ 250215Z 320 8 16 ROGERS CITY  
PRIM4 250150Z 300 15 21 PRESQUE ISLE LIGHT  
KAPN 250154Z 300 3 ALPENA GUARD BASE  
SPTM4 250150Z 290 6 10 STURGEON POINT LIGHT  
KOSC 250117Z 300 4 OSCODA  
TAWM4 250140Z 340 2 5 TAWAS POINT  
GSLM4 250140Z CALM GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 250215Z 10 4 MANISTIQUE  
PNLM4 250200Z 10 5 7 53.24 PORT INLAND  
NABM4 250140Z 340 6 7 NAUBINWAY  
KSJX 250215Z 340 1 ST JAMES  
KPLN 250154Z 300 3 PELLSTON  
KMGN 250215Z 360 6 HARBOR SPRINGS  
KCVX 250215Z 340 9 14 CHARLEVOIX  
GTLM4 250140Z 10 14 16 GRAND TRAVERSE LIGHT  
KTVC 250153Z 350 5 TRAVERSE CITY  
KFKS 250215Z CALM FRANKFORT  
BSBM4 250140Z 180 1 BIG SABLE POINT  
LDTM4 250200Z CALM LUDINGTON  
KLDM 250215Z CALM LUDINGTON AIRPORT  
 
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