351  
SXUS83 KAPX 130438  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 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 130350Z 200 12 15 GRAND MARAIS  
WFPM4 130340Z 210 3 5 WHITEFISH POINT  
PTIM4 130400Z 120 1 3 POINT IROQUOIS  
CYAM 130400Z 50 3 SOO (CANADA)  
KANJ 130355Z CALM SAULT STE MARIE  
SWPM4 130400Z 110 1 2 60.97 S.W. PIER  
LTRM4 130400Z CALM 2 58.99 LITTLE RAPIDS  
RCKM4 130400Z 60 2 61.16 ROCK CUT  
WNEM4 130400Z 130 1 2 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 130400Z 210 2 3 55.94 DETOUR VILLAGE  
KDRM 130415Z CALM DRUMMOND ISLAND  
KMCD 130415Z 160 5 MACKINAC ISLAND  
MACM4 130400Z 80 2 4 62.24 MACKINAC CITY  
KSLH 130415Z 200 1 CHEBOYGAN AIRPORT  
CYGM4 130425Z CALM CHEBOYGAN MARINA  
SRLM4 130300Z 140 6 SPECTACLE REEF LIGHT  
KPZQ 130415Z 210 4 ROGERS CITY  
PRIM4 130350Z 180 3 5 PRESQUE ISLE LIGHT  
KAPN 130354Z CALM ALPENA GUARD BASE  
APNM4 130420Z 130 1 ALPENA HARBOR LIGHT  
TBIM4 130400Z 110 2 THUNDER BAY ISLAND  
SPTM4 130350Z CALM STURGEON POINT LIGHT  
KOSC 130415Z CALM OSCODA  
KOSC 130415Z CALM OSCODA  
GSLM4 130340Z 150 14 15 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 130415Z CALM MANISTIQUE  
PNLM4 130400Z 100 1 2 61.69 PORT INLAND  
NABM4 130340Z 110 3 4 NAUBINWAY  
KSJX 130415Z 100 3 ST JAMES  
KPLN 130354Z CALM PELLSTON  
KMGN 130415Z CALM HARBOR SPRINGS  
KCVX 130415Z 100 2 CHARLEVOIX  
NMIM4 130228Z CALM NORTH MANITOU ISLAND  
GTLM4 130340Z CALM 1 GRAND TRAVERSE LIGHT  
KTVC 130353Z CALM TRAVERSE CITY  
KFKS 130415Z 280 1 FRANKFORT  
MEEM4 130340Z 100 2 3 MANISTEE HARBOR  
BSBM4 130340Z 120 5 6 BIG SABLE POINT  
LDTM4 130400Z 60 2 3 LUDINGTON  
KLDM 130415Z 80 2 LUDINGTON AIRPORT  
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