458  
SXUS83 KAPX 251038  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
638 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 250950Z 230 3 GRAND MARAIS  
WFPM4 250940Z 320 6 10 WHITEFISH POINT  
PTIM4 251000Z 300 10 12 POINT IROQUOIS  
CYAM 251000Z CALM SOO (CANADA)  
KANJ 250955Z CALM SAULT STE MARIE  
SWPM4 251000Z 260 3 5 66.37 S.W. PIER  
LTRM4 251000Z 310 3 6 59.89 LITTLE RAPIDS  
RCKM4 251000Z 300 5 7 67.09 ROCK CUT  
WNEM4 251000Z 330 6 8 60.61 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 251000Z 330 8 13 64.57 DETOUR VILLAGE  
KDRM 251015Z CALM DRUMMOND ISLAND  
KMCD 251015Z 330 7 MACKINAC ISLAND  
MACM4 251000Z 310 6 9 68.36 MACKINAC CITY  
KSLH 251015Z CALM CHEBOYGAN AIRPORT  
CYGM4 251025Z 300 8 14 CHEBOYGAN MARINA  
SRLM4 250900Z 300 11 SPECTACLE REEF LIGHT  
KPZQ 251015Z 290 3 ROGERS CITY  
PRIM4 250950Z 300 9 16 PRESQUE ISLE LIGHT  
KAPN 250954Z 290 4 ALPENA GUARD BASE  
APNM4 251020Z 310 7 9 ALPENA HARBOR LIGHT  
TBIM4 251000Z 330 3 6 THUNDER BAY ISLAND  
SPTM4 250950Z CALM STURGEON POINT LIGHT  
KOSC 251016Z 340 3 OSCODA  
GSLM4 250940Z 350 9 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 251015Z 340 5 MANISTIQUE  
PNLM4 251000Z 360 4 6 66.01 PORT INLAND  
NABM4 250940Z 350 5 6 NAUBINWAY  
KSJX 251015Z 360 3 ST JAMES  
KPLN 251024Z CALM PELLSTON  
KMGN 251015Z CALM HARBOR SPRINGS  
KCVX 251015Z 230 1 CHARLEVOIX  
NMIM4 250928Z CALM NORTH MANITOU ISLAND  
GTLM4 250940Z CALM 2 GRAND TRAVERSE LIGHT  
KTVC 250953Z CALM TRAVERSE CITY  
KFKS 251015Z CALM FRANKFORT  
MEEM4 250940Z CALM 4 MANISTEE HARBOR  
BSBM4 250940Z 60 3 5 BIG SABLE POINT  
LDTM4 251000Z 80 4 7 LUDINGTON  
KLDM 251015Z 80 4 LUDINGTON AIRPORT  
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