735  
SXUS83 KAPX 151838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 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 151750Z 220 14 20 GRAND MARAIS  
WFPM4 151740Z 160 8 13 WHITEFISH POINT  
PTIM4 151800Z 170 4 7 POINT IROQUOIS  
CYAM 151800Z 190 6 SOO (CANADA)  
KANJ 151755Z 220 5 SAULT STE MARIE  
SWPM4 151800Z 220 4 7 69.44 S.W. PIER  
LTRM4 151800Z 150 4 9 63.31 LITTLE RAPIDS  
RCKM4 151800Z 140 8 9 69.79 ROCK CUT  
WNEM4 151800Z 130 6 13 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 151800Z 150 8 10 69.44 DETOUR VILLAGE  
KDRM 151815Z 180 6 DRUMMOND ISLAND  
KMCD 151815Z 250 5 MACKINAC ISLAND  
MACM4 151800Z 310 9 13 73.57 MACKINAC CITY  
KSLH 151815Z 240 7 CHEBOYGAN AIRPORT  
CYGM4 151825Z 210 10 19 CHEBOYGAN MARINA  
SRLM4 151700Z 100 6 SPECTACLE REEF LIGHT  
KPZQ 151815Z 240 5 ROGERS CITY  
PRIM4 151750Z 170 3 12 PRESQUE ISLE LIGHT  
KAPN 151754Z 210 8 ALPENA GUARD BASE  
APNM4 151820Z 140 17 18 ALPENA HARBOR LIGHT  
TBIM4 151800Z 160 11 13 THUNDER BAY ISLAND  
SPTM4 151750Z 180 2 11 STURGEON POINT LIGHT  
GSLM4 151740Z CALM 3 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 151815Z 180 9 14 MANISTIQUE  
PNLM4 151800Z 210 10 12 PORT INLAND  
NABM4 151740Z 200 11 13 NAUBINWAY  
KSJX 151815Z 230 7 ST JAMES  
KPLN 151754Z 240 8 15 PELLSTON  
KMGN 151815Z 250 4 HARBOR SPRINGS  
KCVX 151815Z 240 5 CHARLEVOIX  
NMIM4 151728Z CALM NORTH MANITOU ISLAND  
GTLM4 151740Z 260 9 12 GRAND TRAVERSE LIGHT  
KFKS 151815Z 220 8 FRANKFORT  
MEEM4 151740Z 220 8 10 MANISTEE HARBOR  
BSBM4 151740Z 180 10 12 BIG SABLE POINT  
LDTM4 151800Z 210 5 11 LUDINGTON  
KLDM 151815Z 230 9 LUDINGTON AIRPORT  
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