142  
SXUS83 KAPX 250538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM EDT FRI JUL 25 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 250450Z 220 3 GRAND MARAIS  
WFPM4 250440Z 310 6 10 WHITEFISH POINT  
PTIM4 250500Z 300 6 12 POINT IROQUOIS  
CYAM 250500Z 290 9 SOO (CANADA)  
KANJ 250455Z 250 3 SAULT STE MARIE  
SWPM4 250500Z 300 7 8 66.37 S.W. PIER  
LTRM4 250500Z 250 2 3 60.26 LITTLE RAPIDS  
RCKM4 250500Z 270 3 67.28 ROCK CUT  
WNEM4 250500Z 290 4 6 60.61 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 250500Z 340 2 4 64.76 DETOUR VILLAGE  
KDRM 250515Z 290 3 DRUMMOND ISLAND  
KMCD 250515Z 340 5 MACKINAC ISLAND  
MACM4 250500Z 330 6 8 68.54 MACKINAC CITY  
KSLH 250515Z 290 3 CHEBOYGAN AIRPORT  
CYGM4 250525Z 300 6 11 CHEBOYGAN MARINA  
SRLM4 250400Z 320 13 SPECTACLE REEF LIGHT  
KPZQ 250515Z 300 3 ROGERS CITY  
PRIM4 250450Z 300 6 12 PRESQUE ISLE LIGHT  
KAPN 250527Z 330 7 ALPENA GUARD BASE  
APNM4 250520Z 350 4 6 ALPENA HARBOR LIGHT  
TBIM4 250500Z 330 4 8 THUNDER BAY ISLAND  
SPTM4 250450Z CALM STURGEON POINT LIGHT  
KOSC 250515Z 330 3 OSCODA  
GSLM4 250440Z 270 5 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 250515Z 320 4 MANISTIQUE  
PNLM4 250500Z 360 2 66.91 PORT INLAND  
NABM4 250440Z 270 1 2 NAUBINWAY  
KSJX 250515Z 110 3 ST JAMES  
KPLN 250454Z CALM PELLSTON  
KMGN 250515Z 10 3 HARBOR SPRINGS  
KCVX 250515Z 10 4 CHARLEVOIX  
NMIM4 250428Z 330 3 6 NORTH MANITOU ISLAND  
GTLM4 250440Z 340 5 6 GRAND TRAVERSE LIGHT  
KTVC 250453Z 10 3 TRAVERSE CITY  
KFKS 250515Z 50 3 FRANKFORT  
MEEM4 250440Z CALM MANISTEE HARBOR  
BSBM4 250440Z 50 2 3 BIG SABLE POINT  
LDTM4 250500Z CALM 1 LUDINGTON  
KLDM 250515Z CALM LUDINGTON AIRPORT  
 
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