667  
SXUS83 KAPX 150508  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
108 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 150430Z 130 10 14 POINT IROQUOIS  
CYAM 150400Z 120 9 18 SOO (CANADA)  
KANJ 150455Z 140 9 17 SAULT STE MARIE  
SWPM4 150430Z 130 8 12 66.01 S.W. PIER  
LTRM4 150430Z 130 12 18 61.87 LITTLE RAPIDS  
RCKM4 150430Z 140 16 21 64.04 ROCK CUT  
WNEM4 150430Z 150 14 19 62.78 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150430Z 160 22 27 60.97 DETOUR VILLAGE  
KDRM 150455Z 160 8 15 DRUMMOND ISLAND  
KMCD 150455Z 170 10 18 MACKINAC ISLAND  
MACM4 150430Z 160 10 13 65.84 MACKINAC CITY  
KSLH 150456Z 140 10 CHEBOYGAN AIRPORT  
KPZQ 150455Z 160 13 21 ROGERS CITY  
PRIM4 150450Z 140 10 14 PRESQUE ISLE LIGHT  
KAPN 150454Z 150 10 ALPENA GUARD BASE  
APNM4 150450Z 170 17 20 ALPENA HARBOR LIGHT  
TBIM4 150430Z 170 20 22 THUNDER BAY ISLAND  
SPTM4 150450Z 170 14 20 STURGEON POINT LIGHT  
KOSC 150455Z 170 8 15 OSCODA  
TAWM4 150440Z 150 8 12 TAWAS POINT  
GSLM4 150440Z 140 25 27 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150455Z 170 18 31 MANISTIQUE  
PNLM4 150430Z 170 24 28 66.19 PORT INLAND  
NABM4 150440Z 180 27 34 NAUBINWAY  
KSJX 150455Z 150 12 17 ST JAMES  
KMGN 150455Z 110 5 HARBOR SPRINGS  
KCVX 150455Z 150 12 17 CHARLEVOIX  
GTLM4 150440Z 180 8 17 GRAND TRAVERSE LIGHT  
KTVC 150453Z 170 7 17 TRAVERSE CITY  
KFKS 150455Z 170 12 17 FRANKFORT  
BSBM4 150440Z 150 21 28 BIG SABLE POINT  
LDTM4 150430Z 140 6 11 LUDINGTON  
KLDM 150455Z 150 13 19 LUDINGTON AIRPORT  
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