665  
SXUS83 KAPX 150338  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1138 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 150250Z 190 8 11 GRAND MARAIS  
WFPM4 150240Z 180 12 17 WHITEFISH POINT  
PTIM4 150300Z 150 3 5 POINT IROQUOIS  
CYAM 150300Z 140 3 SOO (CANADA)  
KANJ 150255Z 140 3 SAULT STE MARIE  
SWPM4 150300Z 120 4 5 69.44 S.W. PIER  
LTRM4 150300Z 160 2 4 62.59 LITTLE RAPIDS  
RCKM4 150300Z 170 3 5 69.79 ROCK CUT  
WNEM4 150300Z 150 4 7 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150300Z 160 9 11 69.79 DETOUR VILLAGE  
KDRM 150315Z 160 3 DRUMMOND ISLAND  
KMCD 150316Z 140 6 MACKINAC ISLAND  
MACM4 150300Z 160 9 12 74.66 MACKINAC CITY  
CYGM4 150325Z 180 6 7 CHEBOYGAN MARINA  
SRLM4 150200Z 120 13 SPECTACLE REEF LIGHT  
KPZQ 150315Z 190 4 ROGERS CITY  
PRIM4 150250Z 150 2 5 PRESQUE ISLE LIGHT  
KAPN 150327Z CALM ALPENA GUARD BASE  
APNM4 150320Z 80 3 ALPENA HARBOR LIGHT  
TBIM4 150300Z 100 4 5 THUNDER BAY ISLAND  
SPTM4 150250Z CALM STURGEON POINT LIGHT  
KOSC 150257Z 330 2 OSCODA  
GSLM4 150240Z 90 9 11 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150315Z 130 4 MANISTIQUE  
PNLM4 150300Z 120 8 10 PORT INLAND  
NABM4 150240Z 130 13 15 NAUBINWAY  
KSJX 150315Z 120 6 ST JAMES  
KPLN 150254Z CALM PELLSTON  
KMGN 150315Z 70 5 HARBOR SPRINGS  
KCVX 150315Z 120 7 CHARLEVOIX  
NMIM4 150228Z CALM NORTH MANITOU ISLAND  
GTLM4 150240Z 100 4 7 GRAND TRAVERSE LIGHT  
KTVC 150253Z CALM TRAVERSE CITY  
KFKS 150315Z CALM FRANKFORT  
MEEM4 150240Z CALM MANISTEE HARBOR  
BSBM4 150240Z 90 5 6 BIG SABLE POINT  
LDTM4 150300Z 80 3 4 LUDINGTON  
KLDM 150315Z 60 1 LUDINGTON AIRPORT  
 
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