393  
SXUS83 KAPX 301438  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1038 AM EDT MON JUN 30 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 301350Z 280 9 10 GRAND MARAIS  
WFPM4 301340Z 180 3 5 WHITEFISH POINT  
PTIM4 301400Z 120 4 6 POINT IROQUOIS  
CYAM 301400Z 130 3 SOO (CANADA)  
KANJ 301355Z 160 4 SAULT STE MARIE  
SWPM4 301400Z 50 3 56.47 S.W. PIER  
LTRM4 301400Z 150 2 5 52.34 LITTLE RAPIDS  
RCKM4 301400Z 140 4 5 59.36 ROCK CUT  
WNEM4 301400Z 150 4 5 55.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 301400Z 170 5 7 60.07 DETOUR VILLAGE  
KDRM 301415Z 170 3 DRUMMOND ISLAND  
KMCD 301415Z 210 4 MACKINAC ISLAND  
MACM4 301400Z 340 4 6 59.18 MACKINAC CITY  
KSLH 301415Z 220 5 CHEBOYGAN AIRPORT  
CYGM4 301425Z 220 6 13 CHEBOYGAN MARINA  
SRLM4 301300Z 170 11 SPECTACLE REEF LIGHT  
KPZQ 301415Z 150 5 ROGERS CITY  
PRIM4 301350Z 120 9 PRESQUE ISLE LIGHT  
KAPN 301354Z 140 6 ALPENA GUARD BASE  
APNM4 301420Z 140 9 10 ALPENA HARBOR LIGHT  
TBIM4 301300Z 110 5 6 THUNDER BAY ISLAND  
SPTM4 301350Z CALM STURGEON POINT LIGHT  
GSLM4 301340Z 120 3 7 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 301415Z 200 6 MANISTIQUE  
PNLM4 301400Z 230 8 65.11 PORT INLAND  
NABM4 301340Z 190 1 2 NAUBINWAY  
KSJX 301415Z 220 8 ST JAMES  
KMGN 301424Z CALM HARBOR SPRINGS  
KCVX 301415Z 210 6 CHARLEVOIX  
NMIM4 301328Z CALM NORTH MANITOU ISLAND  
GTLM4 301340Z 200 6 10 GRAND TRAVERSE LIGHT  
KFKS 301415Z CALM FRANKFORT  
MEEM4 301340Z 210 6 8 MANISTEE HARBOR  
BSBM4 301340Z 200 4 6 BIG SABLE POINT  
LDTM4 301400Z 200 6 8 LUDINGTON  
KLDM 301415Z 220 8 LUDINGTON AIRPORT  
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