909  
SXUS83 KAPX 170638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 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 170550Z CALM 2 GRAND MARAIS  
GRMM4 170550Z CALM 2 GRAND MARAIS  
PTIM4 170600Z 300 8 11 POINT IROQUOIS  
CYAM 170600Z 270 6 SOO (CANADA)  
KANJ 170626Z 290 4 SAULT STE MARIE  
SWPM4 170600Z 300 4 5 69.26 S.W. PIER  
LTRM4 170600Z 300 2 59.71 LITTLE RAPIDS  
RCKM4 170600Z 270 3 5 69.61 ROCK CUT  
WNEM4 170600Z 330 3 4 60.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 170600Z 330 5 12 66.19 DETOUR VILLAGE  
KDRM 170615Z CALM DRUMMOND ISLAND  
KMCD 170616Z 290 3 MACKINAC ISLAND  
MACM4 170600Z 280 1 4 70.69 MACKINAC CITY  
KSLH 170615Z 270 2 CHEBOYGAN AIRPORT  
CYGM4 170630Z 280 4 6 CHEBOYGAN MARINA  
KPZQ 170615Z 300 3 ROGERS CITY  
PRIM4 170550Z 310 6 16 PRESQUE ISLE LIGHT  
KAPN 170554Z 310 4 ALPENA GUARD BASE  
APNM4 170600Z 320 6 7 ALPENA HARBOR LIGHT  
TBIM4 170530Z 280 7 9 THUNDER BAY ISLAND  
SPTM4 170550Z 290 4 10 STURGEON POINT LIGHT  
KOSC 170615Z 250 2 OSCODA  
TAWM4 170540Z 310 2 3 TAWAS POINT  
GSLM4 170540Z 310 6 8 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 170615Z 350 2 MANISTIQUE  
PNLM4 170600Z 340 3 62.59 PORT INLAND  
NABM4 170540Z 360 1 4 NAUBINWAY  
KSJX 170615Z 50 1 ST JAMES  
KPLN 170622Z CALM PELLSTON  
KMGN 170615Z CALM HARBOR SPRINGS  
KCVX 170615Z 340 1 CHARLEVOIX  
GTLM4 170540Z 240 3 4 GRAND TRAVERSE LIGHT  
KTVC 170553Z CALM TRAVERSE CITY  
KFKS 170615Z CALM FRANKFORT  
BSBM4 170540Z 120 7 11 BIG SABLE POINT  
LDTM4 170600Z 90 3 4 LUDINGTON  
KLDM 170615Z 90 2 LUDINGTON AIRPORT  
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