545  
SXUS83 KAPX 070438  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 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 070350Z 280 14 15 GRAND MARAIS  
WFPM4 070340Z 320 7 10 WHITEFISH POINT  
PTIM4 070400Z 290 3 5 POINT IROQUOIS  
CYAM 070400Z 260 2 SOO (CANADA)  
KANJ 070355Z 240 5 SAULT STE MARIE  
SWPM4 070400Z 250 6 9 38.11 S.W. PIER  
LTRM4 070400Z 300 2 4 40.46 LITTLE RAPIDS  
RCKM4 070400Z 50 2 43.88 ROCK CUT  
WNEM4 070400Z 310 2 3 42.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 070400Z 310 8 13 41.36 DETOUR VILLAGE  
KDRM 070415Z 270 4 DRUMMOND ISLAND  
KMCD 070415Z 320 4 MACKINAC ISLAND  
MACM4 070400Z 230 3 7 43.51 MACKINAC CITY  
KSLH 070415Z CALM CHEBOYGAN AIRPORT  
CYGM4 070430Z 200 4 5 CHEBOYGAN MARINA  
SRLM4 070200Z 280 15 SPECTACLE REEF LIGHT  
KPZQ 070415Z 280 3 ROGERS CITY  
PRIM4 070350Z 270 4 PRESQUE ISLE LIGHT  
KAPN 070354Z 300 3 ALPENA GUARD BASE  
APNM4 070410Z 10 1 ALPENA HARBOR LIGHT  
TBIM4 070400Z 320 3 4 THUNDER BAY ISLAND  
SPTM4 070350Z CALM STURGEON POINT LIGHT  
KOSC 070415Z 250 3 OSCODA  
TAWM4 070340Z 20 1 2 TAWAS POINT  
GSLM4 070240Z 270 2 3 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 070415Z 310 7 MANISTIQUE  
PNLM4 070400Z 320 5 8 50.54 PORT INLAND  
NABM4 070340Z 90 1 3 NAUBINWAY  
KSJX 070415Z 270 7 ST JAMES  
KPLN 070354Z 290 5 PELLSTON  
KMGN 070415Z CALM HARBOR SPRINGS  
KCVX 070415Z 260 3 CHARLEVOIX  
NMIM4 070328Z CALM NORTH MANITOU ISLAND  
GTLM4 070340Z 250 4 6 GRAND TRAVERSE LIGHT  
KTVC 070353Z CALM TRAVERSE CITY  
KFKS 070415Z CALM FRANKFORT  
MEEM4 070340Z 210 5 MANISTEE HARBOR  
BSBM4 070340Z 230 3 BIG SABLE POINT  
LDTM4 070400Z 290 1 3 LUDINGTON  
KLDM 070415Z CALM LUDINGTON AIRPORT  
 
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