720  
SXUS83 KAPX 150638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 AM EDT TUE SEP 15 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 150450Z 170 5 13 GRAND MARAIS  
GRMM4 150450Z 170 5 13 GRAND MARAIS  
PTIM4 150600Z 120 4 9 POINT IROQUOIS  
CYAM 150600Z 140 9 15 SOO (CANADA)  
KANJ 150555Z 140 10 20 SAULT STE MARIE  
SWPM4 150600Z 130 8 13 65.84 S.W. PIER  
LTRM4 150600Z 170 10 17 61.87 LITTLE RAPIDS  
RCKM4 150600Z 140 19 22 64.04 ROCK CUT  
WNEM4 150600Z 160 10 18 62.78 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150600Z 170 20 24 60.79 DETOUR VILLAGE  
KDRM 150615Z 160 7 14 DRUMMOND ISLAND  
KMCD 150615Z 160 12 18 MACKINAC ISLAND  
MACM4 150600Z 140 6 10 66.01 MACKINAC CITY  
KSLH 150615Z 170 8 15 CHEBOYGAN AIRPORT  
KPZQ 150615Z 160 12 16 ROGERS CITY  
PRIM4 150550Z 180 16 22 PRESQUE ISLE LIGHT  
KAPN 150554Z 160 11 ALPENA GUARD BASE  
APNM4 150620Z 170 22 24 ALPENA HARBOR LIGHT  
TBIM4 150600Z 180 26 29 THUNDER BAY ISLAND  
SPTM4 150550Z 180 16 23 STURGEON POINT LIGHT  
KOSC 150615Z 180 9 OSCODA  
TAWM4 150540Z 170 8 15 TAWAS POINT  
GSLM4 150540Z 150 23 26 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150615Z 200 18 24 MANISTIQUE  
PNLM4 150600Z 200 25 32 66.01 PORT INLAND  
NABM4 150540Z 170 23 28 NAUBINWAY  
KSJX 150615Z 180 10 17 ST JAMES  
KMGN 150615Z 180 6 HARBOR SPRINGS  
KCVX 150615Z 180 9 20 CHARLEVOIX  
GTLM4 150540Z 190 11 20 GRAND TRAVERSE LIGHT  
KTVC 150553Z 180 10 15 TRAVERSE CITY  
KFKS 150615Z 130 7 FRANKFORT  
BSBM4 150540Z 150 17 28 BIG SABLE POINT  
LDTM4 150600Z 150 8 16 LUDINGTON  
KLDM 150615Z 150 15 18 LUDINGTON AIRPORT  
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