850  
SXUS83 KAPX 121138  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
738 AM EDT TUE MAY 12 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 121050Z 180 23 29 GRAND MARAIS  
GRMM4 121050Z 180 23 29 GRAND MARAIS  
PTIM4 121100Z 130 5 10 POINT IROQUOIS  
CYAM 121100Z 90 5 SOO (CANADA)  
KANJ 121055Z 80 4 SAULT STE MARIE  
SWPM4 121100Z 90 5 7 39.37 S.W. PIER  
LTRM4 121100Z 80 3 4 40.27 LITTLE RAPIDS  
RCKM4 121100Z CALM 3 41.71 ROCK CUT  
WNEM4 121100Z CALM 41.18 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 121100Z 180 11 12 41.71 DETOUR VILLAGE  
KMCD 121115Z 160 9 MACKINAC ISLAND  
MACM4 121100Z 170 9 11 43.88 MACKINAC CITY  
KSLH 121115Z 160 4 CHEBOYGAN AIRPORT  
CYGM4 121130Z 160 4 8 CHEBOYGAN MARINA  
KPZQ 121115Z 190 10 ROGERS CITY  
PRIM4 121050Z 170 5 10 PRESQUE ISLE LIGHT  
KAPN 121054Z CALM ALPENA GUARD BASE  
APNM4 121120Z 190 10 12 ALPENA HARBOR LIGHT  
SPTM4 121050Z 180 1 5 STURGEON POINT LIGHT  
KOSC 121115Z CALM OSCODA  
TAWM4 121040Z 130 8 9 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 121115Z 160 6 MANISTIQUE  
PNLM4 121100Z 160 12 14 46.04 PORT INLAND  
NABM4 121040Z 160 12 14 NAUBINWAY  
KSJX 121115Z 140 6 ST JAMES  
KPLN 121054Z CALM PELLSTON  
KMGN 121115Z 50 6 HARBOR SPRINGS  
KCVX 121115Z 150 5 CHARLEVOIX  
GTLM4 121040Z 170 4 11 GRAND TRAVERSE LIGHT  
KTVC 121053Z 170 8 16 TRAVERSE CITY  
KFKS 121115Z 140 8 FRANKFORT  
BSBM4 121040Z 140 6 10 BIG SABLE POINT  
LDTM4 121100Z 100 2 4 LUDINGTON  
KLDM 121115Z 120 5 LUDINGTON AIRPORT  
 
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