504  
SXUS83 KAPX 150808  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
408 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 150750Z 180 18 23 GRAND MARAIS  
GRMM4 150750Z 180 18 23 GRAND MARAIS  
PTIM4 150730Z 130 5 11 POINT IROQUOIS  
CYAM 150712Z 90 9 SOO (CANADA)  
KANJ 150755Z 140 7 17 SAULT STE MARIE  
SWPM4 150730Z 120 9 13 65.66 S.W. PIER  
LTRM4 150730Z 140 10 16 61.69 LITTLE RAPIDS  
RCKM4 150730Z 140 12 19 64.04 ROCK CUT  
WNEM4 150730Z 160 9 12 62.78 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150730Z 170 17 21 59.71 DETOUR VILLAGE  
KDRM 150755Z 170 8 15 DRUMMOND ISLAND  
KMCD 150755Z 180 5 MACKINAC ISLAND  
MACM4 150730Z CALM 2 64.39 MACKINAC CITY  
KSLH 150755Z 280 5 CHEBOYGAN AIRPORT  
KPZQ 150755Z 170 10 ROGERS CITY  
PRIM4 150750Z 180 15 28 PRESQUE ISLE LIGHT  
KAPN 150754Z 170 11 21 ALPENA GUARD BASE  
APNM4 150750Z 190 18 23 ALPENA HARBOR LIGHT  
TBIM4 150730Z 190 29 34 THUNDER BAY ISLAND  
SPTM4 150750Z 200 9 23 STURGEON POINT LIGHT  
KOSC 150755Z 200 7 OSCODA  
TAWM4 150740Z 170 8 18 TAWAS POINT  
GSLM4 150740Z 150 25 30 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150755Z 190 14 21 MANISTIQUE  
PNLM4 150730Z 180 22 27 65.84 PORT INLAND  
NABM4 150740Z 190 26 31 NAUBINWAY  
KCVX 150755Z 200 6 CHARLEVOIX  
GTLM4 150740Z 210 9 17 GRAND TRAVERSE LIGHT  
KTVC 150801Z 140 7 20 TRAVERSE CITY  
KFKS 150755Z 160 12 20 FRANKFORT  
BSBM4 150740Z 170 18 22 BIG SABLE POINT  
LDTM4 150730Z 210 7 14 LUDINGTON  
KLDM 150755Z 190 7 17 LUDINGTON AIRPORT  
 
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