236  
SXUS83 KAPX 300908  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
508 AM EDT MON JUN 30 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 300850Z 200 7 8 GRAND MARAIS  
WFPM4 300840Z CALM WHITEFISH POINT  
PTIM4 300830Z 110 5 8 POINT IROQUOIS  
CYAM 300800Z 340 6 SOO (CANADA)  
KANJ 300855Z CALM SAULT STE MARIE  
SWPM4 300830Z 150 5 7 56.66 S.W. PIER  
LTRM4 300830Z 160 4 5 52.34 LITTLE RAPIDS  
RCKM4 300830Z CALM 2 59.71 ROCK CUT  
WNEM4 300830Z 140 2 3 54.86 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 300830Z 200 6 9 59.71 DETOUR VILLAGE  
KDRM 300855Z CALM DRUMMOND ISLAND  
KMCD 300855Z 200 10 MACKINAC ISLAND  
MACM4 300830Z 240 8 11 59.18 MACKINAC CITY  
KSLH 300855Z 230 5 CHEBOYGAN AIRPORT  
CYGM4 300900Z 220 10 18 CHEBOYGAN MARINA  
SRLM4 300800Z 230 12 SPECTACLE REEF LIGHT  
KPZQ 300855Z 240 4 ROGERS CITY  
PRIM4 300750Z 250 5 7 PRESQUE ISLE LIGHT  
KAPN 300854Z 270 3 ALPENA GUARD BASE  
APNM4 300850Z 250 1 3 ALPENA HARBOR LIGHT  
TBIM4 300830Z 240 3 4 THUNDER BAY ISLAND  
SPTM4 300750Z 210 2 10 STURGEON POINT LIGHT  
GSLM4 300840Z 120 7 12 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 300855Z CALM MANISTIQUE  
PNLM4 300830Z 130 2 64.57 PORT INLAND  
NABM4 300840Z 110 3 4 NAUBINWAY  
KSJX 300855Z 190 9 ST JAMES  
KPLN 300854Z CALM PELLSTON  
KMGN 300809Z 250 3 HARBOR SPRINGS  
KCVX 300855Z 200 9 CHARLEVOIX  
NMIM4 300828Z CALM 6 NORTH MANITOU ISLAND  
GTLM4 300840Z 190 5 11 GRAND TRAVERSE LIGHT  
KTVC 300853Z 60 5 TRAVERSE CITY  
KFKS 300855Z CALM FRANKFORT  
MEEM4 300840Z 70 3 6 MANISTEE HARBOR  
BSBM4 300840Z 50 5 7 BIG SABLE POINT  
LDTM4 300830Z 50 2 3 LUDINGTON  
KLDM 300855Z 120 6 LUDINGTON AIRPORT  
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