538  
SXUS83 KAPX 141838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 PM EDT THU AUG 14 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 141750Z 20 6 7 GRAND MARAIS  
WFPM4 141740Z 100 5 6 WHITEFISH POINT  
PTIM4 141800Z 20 4 5 POINT IROQUOIS  
CYAM 141800Z 240 3 SOO (CANADA)  
KANJ 141755Z CALM SAULT STE MARIE  
SWPM4 141800Z CALM 69.07 S.W. PIER  
LTRM4 141800Z CALM 62.24 LITTLE RAPIDS  
RCKM4 141800Z 120 5 6 68.54 ROCK CUT  
WNEM4 141800Z 80 1 4 63.86 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 141800Z 180 10 11 69.79 DETOUR VILLAGE  
KDRM 141815Z CALM DRUMMOND ISLAND  
MACM4 141800Z 60 10 11 73.39 MACKINAC CITY  
CYGM4 141825Z 60 10 14 CHEBOYGAN MARINA  
SRLM4 141700Z 100 10 SPECTACLE REEF LIGHT  
KPZQ 141815Z 70 8 ROGERS CITY  
PRIM4 141750Z 90 8 11 PRESQUE ISLE LIGHT  
KAPN 141754Z 90 7 ALPENA GUARD BASE  
APNM4 141820Z 100 9 ALPENA HARBOR LIGHT  
TBIM4 141800Z 70 7 9 THUNDER BAY ISLAND  
SPTM4 141750Z 50 4 8 STURGEON POINT LIGHT  
KOSC 141815Z 50 11 16 OSCODA  
GSLM4 141740Z 70 8 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 141815Z 180 6 MANISTIQUE  
PNLM4 141800Z 150 6 7 PORT INLAND  
NABM4 141740Z 160 7 8 NAUBINWAY  
KMGN 141815Z CALM HARBOR SPRINGS  
KCVX 141815Z 360 8 CHARLEVOIX  
NMIM4 141728Z CALM NORTH MANITOU ISLAND  
GTLM4 141740Z 40 5 7 GRAND TRAVERSE LIGHT  
KTVC 141753Z 20 7 TRAVERSE CITY  
KFKS 141815Z 260 7 FRANKFORT  
MEEM4 141740Z 340 5 MANISTEE HARBOR  
BSBM4 141740Z 290 6 BIG SABLE POINT  
LDTM4 141800Z 270 4 8 LUDINGTON  
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