715  
SXUS83 KAPX 150838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
438 AM EDT FRI AUG 15 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 150750Z 180 17 20 GRAND MARAIS  
WFPM4 150740Z 170 14 15 WHITEFISH POINT  
PTIM4 150800Z 130 5 9 POINT IROQUOIS  
CYAM 150800Z 90 5 SOO (CANADA)  
KANJ 150755Z CALM SAULT STE MARIE  
SWPM4 150800Z 90 4 6 69.44 S.W. PIER  
LTRM4 150800Z 90 2 3 62.96 LITTLE RAPIDS  
RCKM4 150800Z 150 6 9 69.79 ROCK CUT  
WNEM4 150800Z 160 5 8 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150800Z 170 10 12 69.61 DETOUR VILLAGE  
KDRM 150815Z 170 3 DRUMMOND ISLAND  
KMCD 150815Z 170 9 MACKINAC ISLAND  
MACM4 150800Z 180 13 16 73.57 MACKINAC CITY  
CYGM4 150825Z 180 10 13 CHEBOYGAN MARINA  
SRLM4 150700Z 150 14 SPECTACLE REEF LIGHT  
KPZQ 150815Z 200 6 ROGERS CITY  
PRIM4 150750Z 180 1 8 PRESQUE ISLE LIGHT  
KAPN 150754Z CALM ALPENA GUARD BASE  
APNM4 150820Z 270 2 ALPENA HARBOR LIGHT  
TBIM4 150800Z 160 5 THUNDER BAY ISLAND  
SPTM4 150750Z CALM STURGEON POINT LIGHT  
KOSC 150817Z 310 2 OSCODA  
GSLM4 150740Z 130 6 8 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150815Z 180 5 MANISTIQUE  
PNLM4 150800Z 170 15 19 PORT INLAND  
NABM4 150740Z 180 14 19 NAUBINWAY  
KSJX 150815Z 150 6 ST JAMES  
KPLN 150754Z CALM PELLSTON  
KMGN 150815Z CALM HARBOR SPRINGS  
KCVX 150815Z 170 6 CHARLEVOIX  
NMIM4 150728Z CALM 3 NORTH MANITOU ISLAND  
GTLM4 150740Z 170 6 12 GRAND TRAVERSE LIGHT  
KTVC 150753Z CALM TRAVERSE CITY  
KFKS 150815Z CALM FRANKFORT  
MEEM4 150740Z 110 5 8 MANISTEE HARBOR  
BSBM4 150740Z 120 8 10 BIG SABLE POINT  
LDTM4 150800Z 80 4 5 LUDINGTON  
KLDM 150815Z 80 5 LUDINGTON AIRPORT  
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