239  
SXUS83 KAPX 150908  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
508 AM EDT FRI AUG 15 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 150850Z 180 18 21 GRAND MARAIS  
WFPM4 150840Z 190 12 17 WHITEFISH POINT  
PTIM4 150830Z 130 6 10 POINT IROQUOIS  
CYAM 150800Z 90 5 SOO (CANADA)  
KANJ 150855Z 70 3 SAULT STE MARIE  
SWPM4 150830Z 90 4 5 69.44 S.W. PIER  
LTRM4 150830Z 100 2 3 62.78 LITTLE RAPIDS  
RCKM4 150830Z 150 6 8 69.79 ROCK CUT  
WNEM4 150830Z 160 6 9 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150830Z 180 9 12 69.61 DETOUR VILLAGE  
KDRM 150855Z 170 4 DRUMMOND ISLAND  
KMCD 150855Z 140 5 MACKINAC ISLAND  
MACM4 150830Z 180 13 15 73.21 MACKINAC CITY  
CYGM4 150855Z 160 10 13 CHEBOYGAN MARINA  
SRLM4 150800Z 160 15 SPECTACLE REEF LIGHT  
KPZQ 150855Z 190 5 ROGERS CITY  
PRIM4 150850Z CALM PRESQUE ISLE LIGHT  
KAPN 150854Z CALM ALPENA GUARD BASE  
APNM4 150850Z 230 1 2 ALPENA HARBOR LIGHT  
TBIM4 150830Z 180 4 5 THUNDER BAY ISLAND  
SPTM4 150850Z 200 1 2 STURGEON POINT LIGHT  
KOSC 150857Z 310 3 OSCODA  
GSLM4 150840Z 120 7 8 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150855Z 190 4 MANISTIQUE  
PNLM4 150830Z 180 14 16 PORT INLAND  
NABM4 150840Z 180 16 19 NAUBINWAY  
KSJX 150855Z 170 6 ST JAMES  
KPLN 150854Z CALM PELLSTON  
KMGN 150855Z 200 5 HARBOR SPRINGS  
KCVX 150855Z 160 5 CHARLEVOIX  
NMIM4 150828Z CALM NORTH MANITOU ISLAND  
GTLM4 150840Z 160 5 11 GRAND TRAVERSE LIGHT  
KTVC 150853Z CALM TRAVERSE CITY  
KFKS 150855Z CALM FRANKFORT  
MEEM4 150840Z 110 6 8 MANISTEE HARBOR  
BSBM4 150840Z 110 8 11 BIG SABLE POINT  
LDTM4 150830Z 80 3 5 LUDINGTON  
KLDM 150855Z 90 4 LUDINGTON AIRPORT  
 
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