077  
SXUS83 KAPX 150538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM EDT SAT AUG 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 160 4 GRAND MARAIS  
GRMM4 150450Z 160 4 GRAND MARAIS  
PTIM4 150500Z 270 5 10 POINT IROQUOIS  
CYAM 150500Z 300 5 SOO (CANADA)  
KANJ 150455Z CALM SAULT STE MARIE  
SWPM4 150500Z 310 5 70.16 S.W. PIER  
LTRM4 150500Z 280 3 4 62.96 LITTLE RAPIDS  
RCKM4 150500Z 260 2 4 70.16 ROCK CUT  
WNEM4 150500Z 300 4 5 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150500Z 320 6 11 67.09 DETOUR VILLAGE  
KDRM 150515Z CALM DRUMMOND ISLAND  
KMCD 150515Z 10 7 MACKINAC ISLAND  
MACM4 150500Z 20 7 8 73.57 MACKINAC CITY  
KSLH 150515Z 270 2 CHEBOYGAN AIRPORT  
CYGM4 150530Z 10 2 6 CHEBOYGAN MARINA  
KPZQ 150515Z 270 3 ROGERS CITY  
PRIM4 150450Z CALM PRESQUE ISLE LIGHT  
KAPN 150454Z CALM ALPENA GUARD BASE  
APNM4 150520Z 320 5 ALPENA HARBOR LIGHT  
TBIM4 150500Z 340 4 THUNDER BAY ISLAND  
SPTM4 150450Z 320 3 4 STURGEON POINT LIGHT  
KOSC 150517Z 300 2 OSCODA  
TAWM4 150440Z 340 3 4 TAWAS POINT  
GSLM4 150440Z 30 4 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150515Z 20 5 MANISTIQUE  
PNLM4 150500Z 10 6 7 69.07 PORT INLAND  
NABM4 150440Z 10 9 12 NAUBINWAY  
KSJX 150515Z 80 2 ST JAMES  
KPLN 150454Z CALM PELLSTON  
KMGN 150515Z 340 2 HARBOR SPRINGS  
KCVX 150515Z 70 3 CHARLEVOIX  
GTLM4 150440Z 50 14 16 GRAND TRAVERSE LIGHT  
KTVC 150453Z CALM TRAVERSE CITY  
KFKS 150515Z 50 5 FRANKFORT  
BSBM4 150440Z 50 7 9 BIG SABLE POINT  
LDTM4 150500Z 80 4 6 LUDINGTON  
KLDM 150515Z 60 2 LUDINGTON AIRPORT  
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