437  
SXUS83 KAPX 131638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 PM 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 131550Z 340 4 6 GRAND MARAIS  
WFPM4 131540Z 190 2 4 WHITEFISH POINT  
PTIM4 131600Z 90 3 5 POINT IROQUOIS  
CYAM 131600Z 60 4 SOO (CANADA)  
KANJ 131555Z CALM SAULT STE MARIE  
SWPM4 131600Z 40 3 4 60.97 S.W. PIER  
LTRM4 131600Z CALM 58.99 LITTLE RAPIDS  
RCKM4 131600Z 130 2 3 60.97 ROCK CUT  
WNEM4 131600Z 150 4 5 60.07 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 131600Z 170 5 56.11 DETOUR VILLAGE  
KDRM 131615Z 220 3 DRUMMOND ISLAND  
KMCD 131615Z 250 4 MACKINAC ISLAND  
MACM4 131600Z 160 1 4 62.59 MACKINAC CITY  
KSLH 131615Z 220 5 CHEBOYGAN AIRPORT  
CYGM4 131625Z 190 4 7 CHEBOYGAN MARINA  
SRLM4 131500Z 200 4 SPECTACLE REEF LIGHT  
KPZQ 131615Z 160 3 ROGERS CITY  
PRIM4 131550Z CALM PRESQUE ISLE LIGHT  
KAPN 131554Z CALM ALPENA GUARD BASE  
APNM4 131620Z 140 4 ALPENA HARBOR LIGHT  
TBIM4 131600Z 220 4 5 THUNDER BAY ISLAND  
SPTM4 131550Z 170 2 8 STURGEON POINT LIGHT  
GSLM4 131540Z 200 3 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 131615Z 180 5 MANISTIQUE  
PNLM4 131600Z 180 3 62.06 PORT INLAND  
NABM4 131540Z 170 4 NAUBINWAY  
KPLN 131554Z 180 4 PELLSTON  
KMGN 131615Z CALM HARBOR SPRINGS  
NMIM4 131528Z 120 2 4 NORTH MANITOU ISLAND  
GTLM4 131540Z 230 5 6 GRAND TRAVERSE LIGHT  
KFKS 131615Z 160 5 FRANKFORT  
MEEM4 131540Z 140 5 7 MANISTEE HARBOR  
BSBM4 131540Z 170 9 13 BIG SABLE POINT  
LDTM4 131600Z 220 4 10 LUDINGTON  
KLDM 131615Z 230 6 LUDINGTON AIRPORT  
 
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