400  
SXUS83 KAPX 170608  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
208 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 170530Z 320 9 11 POINT IROQUOIS  
CYAM 170500Z 300 4 SOO (CANADA)  
KANJ 170555Z CALM SAULT STE MARIE  
SWPM4 170530Z 320 3 5 69.26 S.W. PIER  
LTRM4 170530Z 240 1 2 59.89 LITTLE RAPIDS  
RCKM4 170530Z 300 4 6 69.61 ROCK CUT  
WNEM4 170530Z 340 4 7 60.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 170530Z 310 4 9 66.19 DETOUR VILLAGE  
KDRM 170555Z CALM DRUMMOND ISLAND  
KMCD 170555Z 330 4 MACKINAC ISLAND  
MACM4 170530Z 310 3 70.69 MACKINAC CITY  
KSLH 170555Z 280 3 CHEBOYGAN AIRPORT  
CYGM4 170605Z 290 6 7 CHEBOYGAN MARINA  
KPZQ 170555Z 270 4 ROGERS CITY  
PRIM4 170550Z 310 6 16 PRESQUE ISLE LIGHT  
KAPN 170554Z 310 4 ALPENA GUARD BASE  
APNM4 170540Z 310 7 10 ALPENA HARBOR LIGHT  
TBIM4 170500Z 330 4 6 THUNDER BAY ISLAND  
SPTM4 170550Z 290 4 10 STURGEON POINT LIGHT  
KOSC 170555Z 250 7 OSCODA  
TAWM4 170540Z 310 2 3 TAWAS POINT  
GSLM4 170540Z 310 6 8 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 170555Z 10 2 MANISTIQUE  
PNLM4 170530Z 360 3 5 62.59 PORT INLAND  
NABM4 170540Z 360 1 4 NAUBINWAY  
KSJX 170555Z 80 2 ST JAMES  
KPLN 170554Z CALM PELLSTON  
KMGN 170555Z CALM HARBOR SPRINGS  
KCVX 170555Z 250 3 CHARLEVOIX  
GTLM4 170540Z 240 3 4 GRAND TRAVERSE LIGHT  
KTVC 170553Z CALM TRAVERSE CITY  
KFKS 170555Z CALM FRANKFORT  
BSBM4 170540Z 120 7 11 BIG SABLE POINT  
LDTM4 170530Z 80 4 5 LUDINGTON  
KLDM 170555Z CALM LUDINGTON AIRPORT  
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