860  
SXUS83 KAPX 170538  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
138 AM EDT FRI JUL 17 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 170450Z 300 2 3 GRAND MARAIS  
GRMM4 170450Z 300 2 3 GRAND MARAIS  
PTIM4 170500Z 300 4 10 POINT IROQUOIS  
CYAM 170500Z 300 4 SOO (CANADA)  
KANJ 170455Z 350 3 SAULT STE MARIE  
SWPM4 170500Z 310 4 5 69.26 S.W. PIER  
LTRM4 170500Z 300 1 2 59.54 LITTLE RAPIDS  
RCKM4 170500Z 300 5 7 69.79 ROCK CUT  
WNEM4 170500Z 300 8 9 60.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 170500Z 340 4 9 66.19 DETOUR VILLAGE  
KDRM 170515Z CALM DRUMMOND ISLAND  
KMCD 170515Z 330 3 MACKINAC ISLAND  
MACM4 170500Z 340 2 3 70.87 MACKINAC CITY  
KSLH 170515Z 150 2 CHEBOYGAN AIRPORT  
CYGM4 170530Z 350 4 CHEBOYGAN MARINA  
KPZQ 170515Z 270 4 ROGERS CITY  
PRIM4 170450Z 270 10 13 PRESQUE ISLE LIGHT  
KAPN 170527Z 300 3 ALPENA GUARD BASE  
APNM4 170510Z 290 7 8 ALPENA HARBOR LIGHT  
TBIM4 170430Z 340 4 6 THUNDER BAY ISLAND  
SPTM4 170450Z 290 4 10 STURGEON POINT LIGHT  
KOSC 170515Z 220 2 OSCODA  
TAWM4 170440Z 330 4 6 TAWAS POINT  
GSLM4 170440Z 310 8 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 170515Z CALM MANISTIQUE  
PNLM4 170500Z 10 5 6 62.59 PORT INLAND  
NABM4 170440Z 330 3 NAUBINWAY  
KSJX 170515Z 240 1 ST JAMES  
KPLN 170454Z 290 4 PELLSTON  
KMGN 170515Z CALM HARBOR SPRINGS  
KCVX 170515Z 250 4 CHARLEVOIX  
GTLM4 170440Z 270 2 3 GRAND TRAVERSE LIGHT  
KTVC 170453Z CALM TRAVERSE CITY  
KFKS 170515Z 340 2 FRANKFORT  
BSBM4 170440Z 110 7 9 BIG SABLE POINT  
LDTM4 170500Z 80 4 LUDINGTON  
KLDM 170515Z CALM LUDINGTON AIRPORT  
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