821  
SXUS83 KAPX 300238  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1038 PM EDT THU MAY 29 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 300150Z 260 11 12 GRAND MARAIS  
WFPM4 300140Z 290 4 5 WHITEFISH POINT  
PTIM4 300200Z 290 5 10 POINT IROQUOIS  
CYAM 300200Z 280 7 SOO (CANADA)  
KANJ 300155Z 280 5 SAULT STE MARIE  
SWPM4 300200Z 260 7 8 49.64 S.W. PIER  
LTRM4 300200Z 260 3 5 45.68 LITTLE RAPIDS  
RCKM4 300200Z 260 3 4 51.44 ROCK CUT  
WNEM4 300200Z CALM 2 47.66 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 300200Z 260 3 4 50.71 DETOUR VILLAGE  
KDRM 300215Z CALM DRUMMOND ISLAND  
KMCD 300215Z 240 14 17 MACKINAC ISLAND  
MACM4 300200Z 250 8 12 49.46 MACKINAC CITY  
KSLH 300215Z 260 6 CHEBOYGAN AIRPORT  
CYGM4 300230Z 250 16 24 CHEBOYGAN MARINA  
SRLM4 300100Z 290 19 SPECTACLE REEF LIGHT  
KPZQ 300215Z 260 5 ROGERS CITY  
PRIM4 300150Z 270 17 PRESQUE ISLE LIGHT  
KAPN 300154Z 260 4 ALPENA GUARD BASE  
APNM4 300220Z 270 5 6 ALPENA HARBOR LIGHT  
TBIM4 300200Z 280 4 6 THUNDER BAY ISLAND  
SPTM4 300150Z 280 3 9 STURGEON POINT LIGHT  
KOSC 300035Z 350 2 OSCODA  
GSLM4 300140Z 250 12 13 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 300215Z 260 3 MANISTIQUE  
PNLM4 300200Z CALM 2 54.68 PORT INLAND  
NABM4 300140Z 250 4 9 NAUBINWAY  
KSJX 300215Z 250 7 ST JAMES  
KPLN 300154Z 280 8 PELLSTON  
KMGN 300215Z 270 8 15 HARBOR SPRINGS  
KCVX 300215Z 240 11 17 CHARLEVOIX  
NMIM4 300228Z 260 3 8 NORTH MANITOU ISLAND  
GTLM4 300140Z 240 18 20 GRAND TRAVERSE LIGHT  
KTVC 300153Z 240 6 TRAVERSE CITY  
KFKS 300215Z 260 3 FRANKFORT  
MEEM4 300140Z 200 7 10 MANISTEE HARBOR  
BSBM4 300140Z 190 7 10 BIG SABLE POINT  
LDTM4 300200Z 230 2 8 LUDINGTON  
KLDM 300215Z 240 6 LUDINGTON AIRPORT  
 
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