577  
SXUS83 KAPX 080638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 AM EDT FRI MAY 8 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 080550Z 250 5 7 GRAND MARAIS  
GRMM4 080550Z 250 5 7 GRAND MARAIS  
PTIM4 080600Z CALM 2 POINT IROQUOIS  
CYAM 080600Z CALM SOO (CANADA)  
KANJ 080555Z CALM SAULT STE MARIE  
SWPM4 080600Z CALM 1 37.94 S.W. PIER  
LTRM4 080600Z 150 1 2 39.74 LITTLE RAPIDS  
RCKM4 080600Z 310 1 3 40.46 ROCK CUT  
WNEM4 080600Z CALM 1 40.64 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 080600Z 220 3 5 40.99 DETOUR VILLAGE  
KDRM 080622Z CALM DRUMMOND ISLAND  
KMCD 080616Z 240 7 MACKINAC ISLAND  
MACM4 080600Z 250 6 8 42.26 MACKINAC CITY  
KSLH 080615Z 280 4 CHEBOYGAN AIRPORT  
CYGM4 080630Z 250 4 8 CHEBOYGAN MARINA  
KPZQ 080615Z 200 2 ROGERS CITY  
PRIM4 080550Z CALM PRESQUE ISLE LIGHT  
KAPN 080554Z CALM ALPENA GUARD BASE  
APNM4 080620Z 290 3 ALPENA HARBOR LIGHT  
SPTM4 080550Z 230 2 5 STURGEON POINT LIGHT  
KOSC 080615Z 240 2 OSCODA  
TAWM4 080540Z 350 1 2 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 080615Z CALM MANISTIQUE  
PNLM4 080600Z 330 2 4 45.14 PORT INLAND  
NABM4 080540Z 350 8 11 NAUBINWAY  
KSJX 080615Z 220 4 ST JAMES  
KPLN 080554Z 320 4 PELLSTON  
KMGN 080615Z CALM HARBOR SPRINGS  
KCVX 080615Z 300 7 CHARLEVOIX  
GTLM4 080540Z 220 6 9 GRAND TRAVERSE LIGHT  
KTVC 080553Z 180 3 TRAVERSE CITY  
BSBM4 080540Z 200 5 BIG SABLE POINT  
LDTM4 080600Z CALM 1 LUDINGTON  
KLDM 080615Z 70 1 LUDINGTON AIRPORT  
 
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