678  
SXUS83 KAPX 210638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 AM EDT MON SEP 21 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 210550Z 70 21 25 GRAND MARAIS  
GRMM4 210550Z 70 21 25 GRAND MARAIS  
PTIM4 210600Z 60 9 11 POINT IROQUOIS  
SWPM4 210600Z 60 7 9 64.39 S.W. PIER  
LTRM4 210600Z 40 7 9 61.34 LITTLE RAPIDS  
RCKM4 210600Z 340 4 5 63.14 ROCK CUT  
WNEM4 210600Z 20 4 5 62.41 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 210600Z 70 12 16 58.99 DETOUR VILLAGE  
KDRM 210615Z 50 4 DRUMMOND ISLAND  
KMCD 210615Z 60 14 20 MACKINAC ISLAND  
MACM4 210600Z 70 14 20 60.79 MACKINAC CITY  
KSLH 210615Z 70 15 20 CHEBOYGAN AIRPORT  
CYGM4 210630Z 80 21 37 CHEBOYGAN MARINA  
KPZQ 210615Z 60 11 17 ROGERS CITY  
PRIM4 210550Z 50 21 29 PRESQUE ISLE LIGHT  
KAPN 210554Z 40 9 ALPENA GUARD BASE  
SPTM4 210550Z 40 21 27 STURGEON POINT LIGHT  
KOSC 210615Z 60 16 OSCODA  
TAWM4 210540Z 50 8 19 TAWAS POINT  
GSLM4 210540Z 40 21 24 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 210615Z 40 4 MANISTIQUE  
PNLM4 210600Z 70 5 8 64.21 PORT INLAND  
NABM4 210540Z 60 13 16 NAUBINWAY  
KSJX 210615Z 60 8 15 ST JAMES  
KMGN 210615Z 60 9 HARBOR SPRINGS  
KCVX 210615Z 70 13 17 CHARLEVOIX  
GTLM4 210540Z 80 20 24 GRAND TRAVERSE LIGHT  
KTVC 210553Z CALM TRAVERSE CITY  
BSBM4 210540Z 50 5 8 BIG SABLE POINT  
LDTM4 210600Z 50 3 5 LUDINGTON  
KLDM 210615Z 30 4 LUDINGTON AIRPORT  
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