974  
SXUS83 KAPX 150538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 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 150450Z 180 14 19 GRAND MARAIS  
WFPM4 150440Z 190 12 15 WHITEFISH POINT  
PTIM4 150500Z 130 4 7 POINT IROQUOIS  
CYAM 150500Z 80 6 SOO (CANADA)  
KANJ 150455Z 100 3 SAULT STE MARIE  
SWPM4 150500Z 100 4 5 69.44 S.W. PIER  
LTRM4 150500Z 100 3 5 62.96 LITTLE RAPIDS  
RCKM4 150500Z 150 4 6 69.79 ROCK CUT  
WNEM4 150500Z 140 2 4 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150500Z 160 10 12 69.79 DETOUR VILLAGE  
KDRM 150515Z 160 3 DRUMMOND ISLAND  
KMCD 150515Z 170 8 MACKINAC ISLAND  
MACM4 150500Z 170 9 11 74.29 MACKINAC CITY  
CYGM4 150525Z 140 6 11 CHEBOYGAN MARINA  
SRLM4 150400Z 140 12 SPECTACLE REEF LIGHT  
KPZQ 150515Z 160 3 ROGERS CITY  
PRIM4 150450Z 150 4 8 PRESQUE ISLE LIGHT  
KAPN 150524Z CALM ALPENA GUARD BASE  
APNM4 150520Z 130 6 7 ALPENA HARBOR LIGHT  
TBIM4 150500Z 140 4 5 THUNDER BAY ISLAND  
SPTM4 150450Z CALM STURGEON POINT LIGHT  
KOSC 150457Z 250 3 OSCODA  
GSLM4 150440Z 100 9 11 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150515Z 140 5 MANISTIQUE  
PNLM4 150500Z 150 13 15 PORT INLAND  
NABM4 150440Z 160 15 19 NAUBINWAY  
KSJX 150515Z 130 8 ST JAMES  
KPLN 150454Z CALM PELLSTON  
KMGN 150515Z 60 4 HARBOR SPRINGS  
KCVX 150515Z 130 6 CHARLEVOIX  
NMIM4 150428Z CALM NORTH MANITOU ISLAND  
GTLM4 150440Z 160 4 10 GRAND TRAVERSE LIGHT  
KTVC 150453Z CALM TRAVERSE CITY  
KFKS 150515Z CALM FRANKFORT  
MEEM4 150440Z 110 3 6 MANISTEE HARBOR  
BSBM4 150440Z 100 7 8 BIG SABLE POINT  
LDTM4 150500Z 70 3 4 LUDINGTON  
KLDM 150515Z 70 3 LUDINGTON AIRPORT  
 
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