518  
SXUS83 KAPX 151508  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1108 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 151450Z 200 11 19 GRAND MARAIS  
WFPM4 151440Z 170 11 14 WHITEFISH POINT  
PTIM4 151430Z 90 7 9 POINT IROQUOIS  
CYAM 151400Z 110 3 SOO (CANADA)  
SWPM4 151430Z 150 2 4 69.44 S.W. PIER  
LTRM4 151430Z 150 5 6 63.14 LITTLE RAPIDS  
RCKM4 151430Z 130 7 69.44 ROCK CUT  
WNEM4 151430Z 130 5 7 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151430Z 170 9 11 69.44 DETOUR VILLAGE  
KDRM 151455Z 170 7 DRUMMOND ISLAND  
MACM4 151430Z 200 10 12 73.21 MACKINAC CITY  
CYGM4 151455Z 180 16 21 CHEBOYGAN MARINA  
SRLM4 151400Z 180 11 SPECTACLE REEF LIGHT  
KPZQ 151455Z 200 9 ROGERS CITY  
PRIM4 151450Z 180 7 14 PRESQUE ISLE LIGHT  
KAPN 151454Z 160 9 ALPENA GUARD BASE  
APNM4 151450Z 140 4 ALPENA HARBOR LIGHT  
TBIM4 151430Z 180 5 6 THUNDER BAY ISLAND  
SPTM4 151450Z 190 1 9 STURGEON POINT LIGHT  
KOSC 151308Z 170 5 OSCODA  
GSLM4 151440Z 150 8 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151455Z 170 7 MANISTIQUE  
PNLM4 151430Z 200 5 7 PORT INLAND  
NABM4 151440Z 190 5 6 NAUBINWAY  
KSJX 151455Z 210 6 ST JAMES  
KPLN 151454Z 180 6 PELLSTON  
KMGN 151455Z 240 4 HARBOR SPRINGS  
KCVX 151455Z 190 6 CHARLEVOIX  
NMIM4 151428Z CALM NORTH MANITOU ISLAND  
GTLM4 151440Z 170 6 10 GRAND TRAVERSE LIGHT  
KTVC 151453Z 200 4 TRAVERSE CITY  
KFKS 151455Z 230 5 FRANKFORT  
MEEM4 151440Z 200 3 8 MANISTEE HARBOR  
BSBM4 151440Z 170 9 11 BIG SABLE POINT  
LDTM4 151430Z 200 9 11 LUDINGTON  
KLDM 151455Z 200 8 LUDINGTON AIRPORT  
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