600  
SXUS83 KAPX 140408  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1208 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 140350Z 350 7 9 GRAND MARAIS  
WFPM4 140340Z 330 6 9 WHITEFISH POINT  
PTIM4 140330Z 300 10 12 POINT IROQUOIS  
CYAM 140300Z CALM SOO (CANADA)  
KANJ 140355Z CALM SAULT STE MARIE  
SWPM4 140330Z 350 5 7 69.07 S.W. PIER  
LTRM4 140330Z 320 5 7 62.24 LITTLE RAPIDS  
RCKM4 140330Z 290 6 8 68.71 ROCK CUT  
WNEM4 140330Z 330 7 9 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 140330Z 330 4 8 69.97 DETOUR VILLAGE  
KDRM 140355Z 320 3 DRUMMOND ISLAND  
KMCD 140356Z 360 8 MACKINAC ISLAND  
MACM4 140330Z 350 10 13 72.86 MACKINAC CITY  
CYGM4 140355Z 10 4 14 CHEBOYGAN MARINA  
SRLM4 140300Z 330 17 SPECTACLE REEF LIGHT  
KPZQ 140355Z 340 5 ROGERS CITY  
PRIM4 140350Z 320 13 17 PRESQUE ISLE LIGHT  
KAPN 140354Z 300 4 ALPENA GUARD BASE  
APNM4 140350Z 320 4 7 ALPENA HARBOR LIGHT  
TBIM4 140300Z 320 4 6 THUNDER BAY ISLAND  
SPTM4 140350Z CALM STURGEON POINT LIGHT  
KOSC 140355Z 350 4 OSCODA  
GSLM4 140340Z 20 13 14 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 140355Z CALM MANISTIQUE  
PNLM4 140330Z 360 4 5 PORT INLAND  
NABM4 140340Z 10 3 6 NAUBINWAY  
KSJX 140355Z 30 5 ST JAMES  
KPLN 140354Z CALM PELLSTON  
KMGN 140355Z 10 4 HARBOR SPRINGS  
KCVX 140355Z 50 6 CHARLEVOIX  
NMIM4 140228Z CALM NORTH MANITOU ISLAND  
GTLM4 140340Z 50 14 16 GRAND TRAVERSE LIGHT  
KTVC 140353Z CALM TRAVERSE CITY  
KFKS 140355Z CALM FRANKFORT  
MEEM4 140340Z CALM 1 MANISTEE HARBOR  
BSBM4 140340Z 50 5 6 BIG SABLE POINT  
LDTM4 140330Z 80 1 2 LUDINGTON  
 
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