873  
SXUS83 KAPX 140238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1038 PM EDT WED AUG 13 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 140150Z 350 9 11 GRAND MARAIS  
WFPM4 140140Z 330 6 9 WHITEFISH POINT  
PTIM4 140200Z 300 13 17 POINT IROQUOIS  
CYAM 140200Z 320 10 SOO (CANADA)  
KANJ 140055Z 310 7 SAULT STE MARIE  
SWPM4 140200Z 310 3 8 69.07 S.W. PIER  
LTRM4 140200Z 340 7 9 62.41 LITTLE RAPIDS  
RCKM4 140200Z 310 5 7 68.71 ROCK CUT  
WNEM4 140200Z 300 7 8 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 140200Z 340 8 13 69.79 DETOUR VILLAGE  
KDRM 140215Z CALM DRUMMOND ISLAND  
KMCD 140215Z 360 9 MACKINAC ISLAND  
MACM4 140200Z 10 11 15 72.86 MACKINAC CITY  
CYGM4 140225Z 20 12 14 CHEBOYGAN MARINA  
SRLM4 140100Z 340 20 SPECTACLE REEF LIGHT  
KPZQ 140215Z 330 6 ROGERS CITY  
PRIM4 140150Z 330 12 18 PRESQUE ISLE LIGHT  
KAPN 140154Z 300 3 ALPENA GUARD BASE  
APNM4 140220Z 300 3 4 ALPENA HARBOR LIGHT  
TBIM4 140200Z 330 2 4 THUNDER BAY ISLAND  
SPTM4 140150Z CALM STURGEON POINT LIGHT  
KOSC 140215Z 50 4 OSCODA  
GSLM4 140140Z 50 12 13 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 140215Z 360 6 MANISTIQUE  
PNLM4 140200Z 10 5 7 PORT INLAND  
NABM4 140140Z 360 6 9 NAUBINWAY  
KSJX 140215Z 40 4 ST JAMES  
KPLN 140154Z CALM PELLSTON  
KMGN 140215Z 360 4 HARBOR SPRINGS  
KCVX 140215Z 360 6 CHARLEVOIX  
NMIM4 140128Z CALM NORTH MANITOU ISLAND  
GTLM4 140140Z 20 7 8 GRAND TRAVERSE LIGHT  
KTVC 140153Z 10 3 TRAVERSE CITY  
KFKS 140215Z CALM FRANKFORT  
MEEM4 140140Z 20 7 8 MANISTEE HARBOR  
BSBM4 140140Z 70 4 BIG SABLE POINT  
LDTM4 140200Z 50 2 3 LUDINGTON  
KLDM 140215Z 360 2 LUDINGTON AIRPORT  
 
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