238  
SXUS83 KAPX 121838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 PM EDT SAT SEP 12 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 121750Z 280 19 26 GRAND MARAIS  
GRMM4 121750Z 280 19 26 GRAND MARAIS  
PTIM4 121800Z 200 6 12 POINT IROQUOIS  
CYAM 121800Z 220 10 18 SOO (CANADA)  
KANJ 121804Z 200 13 21 SAULT STE MARIE  
SWPM4 121800Z 210 9 14 66.56 S.W. PIER  
LTRM4 121800Z 200 7 12 62.41 LITTLE RAPIDS  
RCKM4 121800Z 190 7 16 66.01 ROCK CUT  
WNEM4 121800Z 210 8 12 63.49 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 121800Z 190 6 10 61.51 DETOUR VILLAGE  
KDRM 121815Z 210 9 14 DRUMMOND ISLAND  
KMCD 121815Z 240 14 21 MACKINAC ISLAND  
MACM4 121800Z 240 17 23 67.64 MACKINAC CITY  
KSLH 121815Z 220 7 CHEBOYGAN AIRPORT  
CYGM4 121830Z 210 19 30 CHEBOYGAN MARINA  
KPZQ 121815Z 220 13 16 ROGERS CITY  
PRIM4 121750Z 220 9 17 PRESQUE ISLE LIGHT  
KAPN 121754Z 210 11 17 ALPENA GUARD BASE  
APNM4 121820Z 220 14 17 ALPENA HARBOR LIGHT  
TBIM4 121800Z 170 19 21 THUNDER BAY ISLAND  
SPTM4 121750Z 180 11 15 STURGEON POINT LIGHT  
KOSC 121815Z 210 10 OSCODA  
TAWM4 121740Z 180 6 10 TAWAS POINT  
GSLM4 121740Z CALM 4 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 121815Z 210 5 MANISTIQUE  
PNLM4 121800Z 240 17 20 66.91 PORT INLAND  
NABM4 121740Z 220 18 22 NAUBINWAY  
KSJX 121815Z 240 13 25 ST JAMES  
KMGN 121815Z 230 8 HARBOR SPRINGS  
KCVX 121815Z 220 10 16 CHARLEVOIX  
GTLM4 121740Z 230 16 24 GRAND TRAVERSE LIGHT  
KTVC 121753Z 220 10 21 TRAVERSE CITY  
KFKS 121815Z 210 11 19 FRANKFORT  
BSBM4 121740Z 180 14 19 BIG SABLE POINT  
LDTM4 121800Z 210 12 17 LUDINGTON  
KLDM 121815Z 210 15 LUDINGTON AIRPORT  
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