507  
SXUS83 KAPX 131338  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
938 AM EDT SAT SEP 13 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 131250Z 200 8 13 GRAND MARAIS  
WFPM4 131240Z 170 7 9 WHITEFISH POINT  
PTIM4 131300Z 120 3 5 POINT IROQUOIS  
CYAM 131300Z 100 3 SOO (CANADA)  
KANJ 131255Z CALM SAULT STE MARIE  
SWPM4 131300Z 120 2 4 60.97 S.W. PIER  
LTRM4 131300Z 90 2 58.81 LITTLE RAPIDS  
RCKM4 131300Z 120 2 3 60.97 ROCK CUT  
WNEM4 131300Z CALM 1 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 131300Z 190 3 4 56.11 DETOUR VILLAGE  
KDRM 131315Z CALM DRUMMOND ISLAND  
MACM4 131300Z 230 4 5 62.41 MACKINAC CITY  
KSLH 131315Z 210 5 CHEBOYGAN AIRPORT  
CYGM4 131325Z 180 8 CHEBOYGAN MARINA  
SRLM4 131200Z 170 5 SPECTACLE REEF LIGHT  
KPZQ 131315Z 190 2 ROGERS CITY  
PRIM4 131250Z CALM PRESQUE ISLE LIGHT  
KAPN 131254Z CALM ALPENA GUARD BASE  
APNM4 131320Z 350 1 ALPENA HARBOR LIGHT  
TBIM4 131300Z 210 3 THUNDER BAY ISLAND  
SPTM4 131250Z CALM STURGEON POINT LIGHT  
KOSC 131315Z CALM OSCODA  
KOSC 131315Z CALM OSCODA  
GSLM4 131240Z CALM 2 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 131315Z CALM MANISTIQUE  
PNLM4 131300Z 200 2 3 62.06 PORT INLAND  
NABM4 131240Z 50 2 NAUBINWAY  
KPLN 131254Z CALM PELLSTON  
KMGN 131315Z CALM HARBOR SPRINGS  
KCVX 131315Z 110 2 CHARLEVOIX  
NMIM4 131228Z CALM NORTH MANITOU ISLAND  
GTLM4 131240Z 170 4 5 GRAND TRAVERSE LIGHT  
KTVC 131253Z CALM TRAVERSE CITY  
KFKS 131315Z 160 2 FRANKFORT  
MEEM4 131240Z 90 3 5 MANISTEE HARBOR  
BSBM4 131240Z 160 4 6 BIG SABLE POINT  
LDTM4 131300Z 80 2 3 LUDINGTON  
KLDM 131315Z 70 3 LUDINGTON AIRPORT  
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