688  
SXUS83 KAPX 170808  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
408 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 170750Z CALM 1 GRAND MARAIS  
GRMM4 170750Z CALM 1 GRAND MARAIS  
PTIM4 170730Z 320 10 11 POINT IROQUOIS  
CYAM 170700Z 290 2 SOO (CANADA)  
KANJ 170755Z 290 3 SAULT STE MARIE  
SWPM4 170730Z 300 5 6 69.26 S.W. PIER  
LTRM4 170730Z 280 2 3 59.71 LITTLE RAPIDS  
RCKM4 170730Z 290 3 4 69.61 ROCK CUT  
WNEM4 170730Z 320 4 6 60.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 170730Z 330 5 9 66.19 DETOUR VILLAGE  
KDRM 170755Z CALM DRUMMOND ISLAND  
KMCD 170755Z 20 6 MACKINAC ISLAND  
MACM4 170730Z 330 4 6 70.69 MACKINAC CITY  
KSLH 170756Z 240 2 CHEBOYGAN AIRPORT  
CYGM4 170805Z 330 2 3 CHEBOYGAN MARINA  
KPZQ 170755Z 260 3 ROGERS CITY  
PRIM4 170750Z 300 6 11 PRESQUE ISLE LIGHT  
KAPN 170754Z 330 4 ALPENA GUARD BASE  
APNM4 170730Z 330 6 8 ALPENA HARBOR LIGHT  
TBIM4 170700Z 320 6 9 THUNDER BAY ISLAND  
SPTM4 170750Z 320 2 12 STURGEON POINT LIGHT  
KOSC 170755Z 250 4 OSCODA  
TAWM4 170740Z 330 3 5 TAWAS POINT  
GSLM4 170740Z 300 9 10 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 170755Z 350 2 MANISTIQUE  
PNLM4 170730Z 360 2 3 62.78 PORT INLAND  
NABM4 170740Z 260 1 3 NAUBINWAY  
KSJX 170755Z 90 3 ST JAMES  
KPLN 170754Z CALM PELLSTON  
KMGN 170755Z CALM HARBOR SPRINGS  
KCVX 170755Z 200 2 CHARLEVOIX  
GTLM4 170740Z 10 4 5 GRAND TRAVERSE LIGHT  
KTVC 170753Z CALM TRAVERSE CITY  
KFKS 170755Z 280 1 FRANKFORT  
BSBM4 170740Z 40 3 4 BIG SABLE POINT  
LDTM4 170730Z 150 1 3 LUDINGTON  
KLDM 170755Z 340 1 LUDINGTON AIRPORT  
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