271  
SXUS83 KAPX 152138  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
538 PM 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 152050Z 200 18 26 GRAND MARAIS  
WFPM4 152040Z 190 12 15 WHITEFISH POINT  
PTIM4 152100Z 180 5 8 POINT IROQUOIS  
CYAM 152100Z 200 9 18 SOO (CANADA)  
KANJ 152055Z 200 11 18 SAULT STE MARIE  
SWPM4 152100Z 220 11 15 69.61 S.W. PIER  
LTRM4 152100Z 190 8 11 63.31 LITTLE RAPIDS  
RCKM4 152100Z 130 10 13 70.16 ROCK CUT  
WNEM4 152100Z 140 8 12 64.57 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 152100Z 150 9 12 69.44 DETOUR VILLAGE  
KDRM 152115Z 130 6 DRUMMOND ISLAND  
KMCD 152115Z 270 10 MACKINAC ISLAND  
MACM4 152100Z 280 12 16 72.49 MACKINAC CITY  
KSLH 152116Z 360 9 CHEBOYGAN AIRPORT  
CYGM4 152125Z 40 6 12 CHEBOYGAN MARINA  
SRLM4 152000Z 100 11 SPECTACLE REEF LIGHT  
KPZQ 152115Z 180 7 ROGERS CITY  
PRIM4 152050Z 110 8 17 PRESQUE ISLE LIGHT  
KAPN 152054Z 170 12 19 ALPENA GUARD BASE  
APNM4 152120Z 150 19 22 ALPENA HARBOR LIGHT  
TBIM4 152100Z 160 13 15 THUNDER BAY ISLAND  
SPTM4 152050Z 150 7 15 STURGEON POINT LIGHT  
GSLM4 152040Z 150 4 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 152115Z 190 9 16 MANISTIQUE  
PNLM4 152100Z 190 10 13 PORT INLAND  
NABM4 152040Z 220 8 10 NAUBINWAY  
KSJX 152115Z 200 6 ST JAMES  
KMGN 152115Z 260 5 HARBOR SPRINGS  
KCVX 152115Z 270 11 CHARLEVOIX  
NMIM4 152028Z 190 2 6 NORTH MANITOU ISLAND  
GTLM4 152040Z 250 6 9 GRAND TRAVERSE LIGHT  
KTVC 152053Z 190 7 TRAVERSE CITY  
KFKS 152115Z 210 7 FRANKFORT  
MEEM4 152040Z 210 8 11 MANISTEE HARBOR  
BSBM4 152040Z 180 8 12 BIG SABLE POINT  
LDTM4 152100Z 210 6 11 LUDINGTON  
KLDM 152115Z 230 10 LUDINGTON AIRPORT  
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