503  
SXUS83 KAPX 180608  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
208 AM EDT SAT JUL 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 180550Z 220 14 20 GRAND MARAIS  
GRMM4 180550Z 220 14 20 GRAND MARAIS  
CYAM 180532Z 90 9 SOO (CANADA)  
KANJ 180555Z 100 7 SAULT STE MARIE  
 
LAKE HURON  
 
KDRM 180555Z 110 4 DRUMMOND ISLAND  
KMCD 180555Z 90 10 MACKINAC ISLAND  
KSLH 180555Z 360 4 CHEBOYGAN AIRPORT  
CYGM4 180605Z 10 6 10 CHEBOYGAN MARINA  
KPZQ 180555Z 230 13 17 ROGERS CITY  
PRIM4 180550Z 220 10 14 PRESQUE ISLE LIGHT  
KAPN 180554Z 270 6 ALPENA GUARD BASE  
APNM4 180550Z 290 6 7 ALPENA HARBOR LIGHT  
TBIM4 180530Z 210 9 THUNDER BAY ISLAND  
SPTM4 180550Z 210 6 11 STURGEON POINT LIGHT  
KOSC 180555Z 210 10 OSCODA  
TAWM4 180540Z 210 4 8 TAWAS POINT  
GSLM4 180540Z 200 10 16 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 180555Z 50 3 MANISTIQUE  
NABM4 180540Z 130 7 8 NAUBINWAY  
KSJX 180555Z 230 11 16 ST JAMES  
KPLN 180554Z 20 7 18 PELLSTON  
KMGN 180555Z 20 6 HARBOR SPRINGS  
KCVX 180555Z 210 11 CHARLEVOIX  
GTLM4 180540Z 240 21 26 GRAND TRAVERSE LIGHT  
KTVC 180553Z 240 13 19 TRAVERSE CITY  
KFKS 180555Z 210 7 16 FRANKFORT  
BSBM4 180540Z 190 8 12 BIG SABLE POINT  
KLDM 180555Z 230 9 LUDINGTON AIRPORT  
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