219  
SXUS83 KAPX 120238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1038 PM EDT TUE AUG 11 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 120150Z 120 3 4 GRAND MARAIS  
GRMM4 120150Z 120 3 4 GRAND MARAIS  
PTIM4 120200Z CALM 2 POINT IROQUOIS  
CYAM 120200Z CALM SOO (CANADA)  
KANJ 120155Z CALM SAULT STE MARIE  
SWPM4 120200Z 220 2 4 68.89 S.W. PIER  
LTRM4 120200Z 240 2 3 62.41 LITTLE RAPIDS  
RCKM4 120200Z CALM 1 69.07 ROCK CUT  
WNEM4 120200Z CALM 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 120200Z 40 1 3 66.91 DETOUR VILLAGE  
KDRM 120215Z CALM DRUMMOND ISLAND  
KMCD 120215Z 60 5 MACKINAC ISLAND  
MACM4 120200Z 240 2 3 72.31 MACKINAC CITY  
KSLH 120215Z 240 2 CHEBOYGAN AIRPORT  
CYGM4 120230Z 180 4 CHEBOYGAN MARINA  
PRIM4 120150Z CALM PRESQUE ISLE LIGHT  
KAPN 120154Z CALM ALPENA GUARD BASE  
APNM4 120220Z 140 6 7 ALPENA HARBOR LIGHT  
TBIM4 120200Z 190 5 6 THUNDER BAY ISLAND  
SPTM4 120150Z CALM STURGEON POINT LIGHT  
KOSC 120215Z 300 2 OSCODA  
TAWM4 120140Z 100 2 5 TAWAS POINT  
GSLM4 120140Z 60 5 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 120215Z 350 4 MANISTIQUE  
PNLM4 120200Z 30 5 69.61 PORT INLAND  
NABM4 120140Z 360 2 3 NAUBINWAY  
KSJX 120215Z 90 1 ST JAMES  
KPLN 120154Z CALM PELLSTON  
KMGN 120215Z 30 2 HARBOR SPRINGS  
KCVX 120215Z 130 1 CHARLEVOIX  
GTLM4 120140Z 190 2 3 GRAND TRAVERSE LIGHT  
KTVC 120153Z CALM TRAVERSE CITY  
KFKS 120215Z 120 1 FRANKFORT  
BSBM4 120140Z 90 4 5 BIG SABLE POINT  
LDTM4 120200Z CALM 2 LUDINGTON  
KLDM 120215Z 80 2 LUDINGTON AIRPORT  
 
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