057  
SXUS83 KAPX 150238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1038 PM EDT THU AUG 14 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 150150Z 170 5 6 GRAND MARAIS  
WFPM4 150140Z 110 7 8 WHITEFISH POINT  
PTIM4 150200Z 140 3 6 POINT IROQUOIS  
CYAM 150200Z 150 4 SOO (CANADA)  
KANJ 150155Z 150 5 SAULT STE MARIE  
SWPM4 150200Z 130 4 6 69.44 S.W. PIER  
LTRM4 150200Z 180 3 62.78 LITTLE RAPIDS  
RCKM4 150200Z 160 4 7 69.79 ROCK CUT  
WNEM4 150200Z 160 5 7 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150200Z 160 7 9 69.61 DETOUR VILLAGE  
KDRM 150215Z CALM DRUMMOND ISLAND  
KMCD 150215Z 130 6 MACKINAC ISLAND  
MACM4 150200Z 140 6 7 74.66 MACKINAC CITY  
CYGM4 150225Z 140 8 11 CHEBOYGAN MARINA  
SRLM4 150100Z 120 11 SPECTACLE REEF LIGHT  
KPZQ 150215Z 150 5 ROGERS CITY  
PRIM4 150150Z 140 3 5 PRESQUE ISLE LIGHT  
KAPN 150154Z CALM ALPENA GUARD BASE  
APNM4 150220Z 80 4 5 ALPENA HARBOR LIGHT  
TBIM4 150200Z 100 2 3 THUNDER BAY ISLAND  
SPTM4 150150Z CALM STURGEON POINT LIGHT  
KOSC 150217Z 50 2 OSCODA  
GSLM4 150140Z 70 10 12 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150215Z CALM MANISTIQUE  
PNLM4 150200Z 120 10 11 PORT INLAND  
NABM4 150140Z 130 11 12 NAUBINWAY  
KSJX 150215Z 100 3 ST JAMES  
KPLN 150154Z CALM PELLSTON  
KMGN 150215Z 80 5 HARBOR SPRINGS  
KCVX 150215Z 110 6 CHARLEVOIX  
NMIM4 150228Z CALM NORTH MANITOU ISLAND  
GTLM4 150140Z 70 6 10 GRAND TRAVERSE LIGHT  
KTVC 150153Z CALM TRAVERSE CITY  
KFKS 150215Z CALM FRANKFORT  
MEEM4 150140Z CALM 3 MANISTEE HARBOR  
BSBM4 150140Z 70 4 5 BIG SABLE POINT  
LDTM4 150200Z 90 1 3 LUDINGTON  
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