541  
SXUS83 KAPX 140538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM EDT MON SEP 14 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 140450Z 340 17 19 GRAND MARAIS  
GRMM4 140450Z 340 17 19 GRAND MARAIS  
PTIM4 140500Z 300 15 23 POINT IROQUOIS  
CYAM 140500Z 320 12 SOO (CANADA)  
KANJ 140455Z 300 3 SAULT STE MARIE  
SWPM4 140500Z 300 7 10 66.37 S.W. PIER  
LTRM4 140500Z 280 2 6 61.87 LITTLE RAPIDS  
RCKM4 140500Z 270 7 11 65.11 ROCK CUT  
WNEM4 140500Z 260 6 9 63.14 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 140500Z 320 4 8 61.34 DETOUR VILLAGE  
KDRM 140515Z 320 3 DRUMMOND ISLAND  
KMCD 140515Z 300 8 MACKINAC ISLAND  
MACM4 140500Z 320 10 16 66.91 MACKINAC CITY  
KSLH 140516Z 290 5 CHEBOYGAN AIRPORT  
KPZQ 140515Z 280 6 ROGERS CITY  
PRIM4 140450Z 300 17 24 PRESQUE ISLE LIGHT  
KAPN 140454Z 240 3 ALPENA GUARD BASE  
APNM4 140510Z 260 6 8 ALPENA HARBOR LIGHT  
TBIM4 140450Z 290 7 9 THUNDER BAY ISLAND  
SPTM4 140450Z 310 6 13 STURGEON POINT LIGHT  
KOSC 140515Z 250 4 OSCODA  
TAWM4 140440Z 320 4 8 TAWAS POINT  
GSLM4 140440Z 300 10 12 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 140515Z 330 5 MANISTIQUE  
PNLM4 140500Z 330 6 8 65.47 PORT INLAND  
NABM4 140440Z 320 5 8 NAUBINWAY  
KSJX 140515Z 320 9 ST JAMES  
KMGN 140515Z CALM HARBOR SPRINGS  
KCVX 140515Z 320 9 15 CHARLEVOIX  
GTLM4 140440Z 360 19 24 GRAND TRAVERSE LIGHT  
KTVC 140453Z 340 5 TRAVERSE CITY  
KFKS 140515Z 350 7 FRANKFORT  
BSBM4 140440Z 50 10 14 BIG SABLE POINT  
LDTM4 140500Z 50 5 8 LUDINGTON  
KLDM 140515Z 40 4 LUDINGTON AIRPORT  
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