945  
SXUS83 KAPX 070538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM EDT WED MAY 7 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 070450Z 290 10 12 GRAND MARAIS  
WFPM4 070440Z 310 6 12 WHITEFISH POINT  
PTIM4 070500Z 320 7 POINT IROQUOIS  
CYAM 070500Z 280 8 SOO (CANADA)  
KANJ 070455Z 250 4 SAULT STE MARIE  
SWPM4 070500Z 260 9 10 37.94 S.W. PIER  
LTRM4 070500Z 230 1 3 40.46 LITTLE RAPIDS  
RCKM4 070500Z 300 2 43.88 ROCK CUT  
WNEM4 070500Z 280 2 3 42.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 070500Z 310 10 14 41.36 DETOUR VILLAGE  
KDRM 070515Z 280 3 DRUMMOND ISLAND  
KMCD 070516Z 230 6 MACKINAC ISLAND  
MACM4 070500Z 270 6 8 43.69 MACKINAC CITY  
KSLH 070515Z 250 5 CHEBOYGAN AIRPORT  
CYGM4 070530Z 250 10 11 CHEBOYGAN MARINA  
SRLM4 070400Z 280 16 SPECTACLE REEF LIGHT  
KPZQ 070515Z 270 5 ROGERS CITY  
PRIM4 070450Z 280 12 13 PRESQUE ISLE LIGHT  
KAPN 070454Z 270 4 ALPENA GUARD BASE  
APNM4 070520Z 310 1 ALPENA HARBOR LIGHT  
TBIM4 070500Z CALM THUNDER BAY ISLAND  
SPTM4 070450Z CALM STURGEON POINT LIGHT  
KOSC 070515Z 240 4 OSCODA  
TAWM4 070440Z 230 4 TAWAS POINT  
GSLM4 070440Z 260 9 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 070515Z 320 5 MANISTIQUE  
PNLM4 070500Z 320 5 6 50.71 PORT INLAND  
NABM4 070440Z 250 2 3 NAUBINWAY  
KSJX 070515Z 270 6 ST JAMES  
KPLN 070530Z CALM PELLSTON  
KMGN 070515Z 270 3 HARBOR SPRINGS  
KCVX 070515Z 250 8 CHARLEVOIX  
NMIM4 070428Z CALM NORTH MANITOU ISLAND  
GTLM4 070440Z 230 7 8 GRAND TRAVERSE LIGHT  
KTVC 070453Z CALM TRAVERSE CITY  
KFKS 070515Z CALM FRANKFORT  
MEEM4 070440Z CALM 1 MANISTEE HARBOR  
BSBM4 070440Z 190 3 5 BIG SABLE POINT  
LDTM4 070500Z 270 2 3 LUDINGTON  
KLDM 070515Z CALM LUDINGTON AIRPORT  
 
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