843  
SXUS83 KAPX 061538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1138 AM EDT THU AUG 6 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 061450Z 240 10 12 GRAND MARAIS  
GRMM4 061450Z 240 10 12 GRAND MARAIS  
PTIM4 061500Z 80 5 POINT IROQUOIS  
CYAM 061500Z 150 3 SOO (CANADA)  
SWPM4 061500Z 300 2 67.28 S.W. PIER  
LTRM4 061500Z CALM 60.26 LITTLE RAPIDS  
RCKM4 061500Z 130 6 7 67.28 ROCK CUT  
WNEM4 061500Z 130 5 6 62.41 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 061500Z 180 4 5 65.84 DETOUR VILLAGE  
KDRM 061515Z CALM DRUMMOND ISLAND  
MACM4 061500Z 50 3 70.34 MACKINAC CITY  
CYGM4 061530Z CALM 9 CHEBOYGAN MARINA  
PRIM4 061450Z 300 1 4 PRESQUE ISLE LIGHT  
KAPN 061454Z 350 6 ALPENA GUARD BASE  
APNM4 061520Z 20 6 7 ALPENA HARBOR LIGHT  
TBIM4 061500Z 360 8 10 THUNDER BAY ISLAND  
SPTM4 061450Z 10 9 12 STURGEON POINT LIGHT  
KOSC 061515Z 10 6 OSCODA  
TAWM4 061440Z CALM TAWAS POINT  
GSLM4 061440Z 20 6 7 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 061515Z 190 6 MANISTIQUE  
PNLM4 061500Z 230 5 6 66.74 PORT INLAND  
NABM4 061440Z 150 4 5 NAUBINWAY  
KSJX 061515Z 270 8 ST JAMES  
KPLN 061454Z CALM PELLSTON  
KMGN 061515Z 230 4 HARBOR SPRINGS  
KCVX 061515Z 100 6 CHARLEVOIX  
GTLM4 061440Z 10 3 GRAND TRAVERSE LIGHT  
BSBM4 061440Z 310 3 4 BIG SABLE POINT  
LDTM4 061500Z 260 3 4 LUDINGTON  
 
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