021  
SXUS83 KAPX 130808  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
408 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 130750Z 200 11 14 GRAND MARAIS  
WFPM4 130740Z 130 5 7 WHITEFISH POINT  
PTIM4 130730Z 120 3 5 POINT IROQUOIS  
CYAM 130700Z 80 4 SOO (CANADA)  
KANJ 130755Z CALM SAULT STE MARIE  
SWPM4 130730Z 90 2 60.79 S.W. PIER  
LTRM4 130730Z 70 2 58.99 LITTLE RAPIDS  
RCKM4 130730Z CALM 1 60.97 ROCK CUT  
WNEM4 130730Z CALM 1 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 130730Z CALM 55.94 DETOUR VILLAGE  
KDRM 130755Z CALM DRUMMOND ISLAND  
KMCD 130756Z 170 3 MACKINAC ISLAND  
MACM4 130730Z 130 2 62.06 MACKINAC CITY  
KSLH 130755Z CALM CHEBOYGAN AIRPORT  
CYGM4 130800Z 90 2 CHEBOYGAN MARINA  
SRLM4 130700Z 60 3 SPECTACLE REEF LIGHT  
PRIM4 130750Z 290 3 8 PRESQUE ISLE LIGHT  
KAPN 130754Z CALM ALPENA GUARD BASE  
APNM4 130750Z 320 5 7 ALPENA HARBOR LIGHT  
TBIM4 130730Z 270 4 THUNDER BAY ISLAND  
SPTM4 130750Z CALM STURGEON POINT LIGHT  
KOSC 130755Z 340 3 OSCODA  
KOSC 130755Z 340 3 OSCODA  
GSLM4 130740Z 180 1 4 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 130755Z CALM MANISTIQUE  
PNLM4 130730Z 110 5 6 61.87 PORT INLAND  
NABM4 130740Z 140 4 NAUBINWAY  
KSJX 130755Z 140 3 ST JAMES  
KPLN 130754Z CALM PELLSTON  
KMGN 130755Z CALM HARBOR SPRINGS  
KCVX 130755Z 130 3 CHARLEVOIX  
NMIM4 130728Z CALM NORTH MANITOU ISLAND  
GTLM4 130740Z 170 6 9 GRAND TRAVERSE LIGHT  
KTVC 130753Z CALM TRAVERSE CITY  
KFKS 130755Z 310 2 FRANKFORT  
MEEM4 130740Z 100 4 6 MANISTEE HARBOR  
BSBM4 130740Z 110 6 8 BIG SABLE POINT  
LDTM4 130730Z 80 2 3 LUDINGTON  
KLDM 130755Z 100 2 LUDINGTON AIRPORT  
 
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