598  
SXUS83 KAPX 140538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM 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 140450Z 360 8 10 GRAND MARAIS  
WFPM4 140440Z 340 3 5 WHITEFISH POINT  
PTIM4 140500Z 310 10 12 POINT IROQUOIS  
CYAM 140500Z 270 2 SOO (CANADA)  
KANJ 140455Z 290 4 SAULT STE MARIE  
SWPM4 140500Z 300 5 7 69.07 S.W. PIER  
LTRM4 140500Z 270 2 4 62.24 LITTLE RAPIDS  
RCKM4 140500Z 300 5 6 68.71 ROCK CUT  
WNEM4 140500Z 330 3 5 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 140500Z 330 7 11 69.97 DETOUR VILLAGE  
KDRM 140515Z CALM DRUMMOND ISLAND  
KMCD 140515Z 360 5 MACKINAC ISLAND  
MACM4 140500Z 350 5 6 72.68 MACKINAC CITY  
CYGM4 140525Z 350 8 12 CHEBOYGAN MARINA  
SRLM4 140400Z 340 14 SPECTACLE REEF LIGHT  
KPZQ 140515Z 290 3 ROGERS CITY  
PRIM4 140450Z 300 11 16 PRESQUE ISLE LIGHT  
KAPN 140454Z CALM ALPENA GUARD BASE  
APNM4 140520Z 310 6 7 ALPENA HARBOR LIGHT  
TBIM4 140500Z 310 4 7 THUNDER BAY ISLAND  
SPTM4 140450Z 320 4 9 STURGEON POINT LIGHT  
KOSC 140515Z 320 6 OSCODA  
GSLM4 140440Z 20 13 15 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 140515Z 360 6 MANISTIQUE  
PNLM4 140500Z 10 1 3 PORT INLAND  
NABM4 140440Z 350 4 7 NAUBINWAY  
KSJX 140515Z 340 2 ST JAMES  
KPLN 140525Z CALM PELLSTON  
KMGN 140515Z CALM HARBOR SPRINGS  
KCVX 140515Z 60 4 CHARLEVOIX  
NMIM4 140428Z CALM 1 NORTH MANITOU ISLAND  
GTLM4 140440Z 50 14 17 GRAND TRAVERSE LIGHT  
KTVC 140453Z CALM TRAVERSE CITY  
KFKS 140515Z CALM FRANKFORT  
MEEM4 140440Z CALM 4 MANISTEE HARBOR  
BSBM4 140440Z 60 6 7 BIG SABLE POINT  
LDTM4 140500Z 90 3 4 LUDINGTON  
KLDM 140515Z 90 3 LUDINGTON AIRPORT  
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