370  
SXUS83 KAPX 251008  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
608 AM EDT SAT JUL 25 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 250950Z 210 16 21 GRAND MARAIS  
GRMM4 250950Z 210 16 21 GRAND MARAIS  
PTIM4 250930Z 120 5 7 POINT IROQUOIS  
CYAM 250900Z 100 4 SOO (CANADA)  
KANJ 250955Z 120 4 SAULT STE MARIE  
SWPM4 250930Z 90 4 6 66.19 S.W. PIER  
LTRM4 250930Z 90 4 59.54 LITTLE RAPIDS  
RCKM4 250930Z 150 7 9 66.37 ROCK CUT  
WNEM4 250930Z 150 6 8 61.51 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 250930Z 200 2 5 59.18 DETOUR VILLAGE  
KDRM 250955Z 160 3 DRUMMOND ISLAND  
KMCD 250955Z 180 8 MACKINAC ISLAND  
MACM4 250930Z 200 9 11 68.54 MACKINAC CITY  
KSLH 250955Z 180 6 CHEBOYGAN AIRPORT  
CYGM4 251005Z 180 14 19 CHEBOYGAN MARINA  
KPZQ 250955Z 220 6 ROGERS CITY  
PRIM4 250950Z 210 9 11 PRESQUE ISLE LIGHT  
KAPN 250954Z CALM ALPENA GUARD BASE  
APNM4 250950Z CALM ALPENA HARBOR LIGHT  
TBIM4 250930Z 210 4 THUNDER BAY ISLAND  
SPTM4 250950Z 210 1 5 STURGEON POINT LIGHT  
KOSC 250955Z 220 2 OSCODA  
TAWM4 250940Z 290 2 4 TAWAS POINT  
GSLM4 250940Z 250 5 6 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 250955Z 220 7 MANISTIQUE  
PNLM4 250930Z 240 9 12 61.69 PORT INLAND  
NABM4 250940Z 220 8 10 NAUBINWAY  
KSJX 250955Z 210 9 ST JAMES  
KPLN 250954Z 140 4 PELLSTON  
KMGN 250955Z CALM HARBOR SPRINGS  
KCVX 250955Z 170 5 CHARLEVOIX  
GTLM4 250940Z 160 4 6 GRAND TRAVERSE LIGHT  
KTVC 250953Z CALM TRAVERSE CITY  
BSBM4 250940Z 160 9 11 BIG SABLE POINT  
LDTM4 250930Z 190 6 8 LUDINGTON  
KLDM 250955Z 90 2 LUDINGTON AIRPORT  
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