642  
SXUS83 KAPX 310408  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1208 AM EDT SAT MAY 31 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 310350Z 50 15 18 GRAND MARAIS  
WFPM4 310340Z 20 8 16 WHITEFISH POINT  
PTIM4 310330Z 340 12 14 POINT IROQUOIS  
CYAM 310300Z 360 6 SOO (CANADA)  
KANJ 310355Z 10 11 21 SAULT STE MARIE  
SWPM4 310330Z 30 12 19 50.18 S.W. PIER  
LTRM4 310330Z 10 13 17 46.04 LITTLE RAPIDS  
RCKM4 310330Z 350 10 16 51.61 ROCK CUT  
WNEM4 310330Z 10 13 22 47.47 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 310330Z 10 25 29 51.07 DETOUR VILLAGE  
KDRM 310355Z 10 10 20 DRUMMOND ISLAND  
KMCD 310355Z 10 12 17 MACKINAC ISLAND  
MACM4 310330Z 350 8 14 50.54 MACKINAC CITY  
KSLH 310355Z 350 9 15 CHEBOYGAN AIRPORT  
CYGM4 310400Z 330 8 24 CHEBOYGAN MARINA  
SRLM4 310300Z 320 16 SPECTACLE REEF LIGHT  
KPZQ 310355Z 360 6 ROGERS CITY  
PRIM4 310250Z 360 13 20 PRESQUE ISLE LIGHT  
KAPN 310354Z 340 11 ALPENA GUARD BASE  
APNM4 310350Z 360 9 14 ALPENA HARBOR LIGHT  
TBIM4 310300Z 360 9 12 THUNDER BAY ISLAND  
SPTM4 310250Z 360 16 24 STURGEON POINT LIGHT  
KOSC 310355Z 20 13 OSCODA  
TAWM4 310340Z 10 9 15 TAWAS POINT  
GSLM4 310340Z 360 20 23 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 310355Z 330 4 MANISTIQUE  
PNLM4 310330Z 360 5 11 53.06 PORT INLAND  
NABM4 310340Z 10 10 16 NAUBINWAY  
KSJX 310355Z 360 9 ST JAMES  
KPLN 310354Z 340 11 PELLSTON  
KMGN 310355Z 330 5 HARBOR SPRINGS  
KCVX 310355Z 350 10 14 CHARLEVOIX  
NMIM4 310228Z 330 6 14 NORTH MANITOU ISLAND  
GTLM4 310340Z 340 10 12 GRAND TRAVERSE LIGHT  
KTVC 310353Z 320 9 TRAVERSE CITY  
KFKS 310355Z 340 6 FRANKFORT  
MEEM4 310340Z 360 7 8 MANISTEE HARBOR  
BSBM4 310340Z 10 9 12 BIG SABLE POINT  
LDTM4 310330Z 10 4 8 LUDINGTON  
KLDM 310355Z 10 8 LUDINGTON AIRPORT  
 
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