172  
SXUS83 KAPX 301938  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
338 PM EDT FRI MAY 30 2025  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 301740Z 290 13 17 GRAND MARAIS  
WFPM4 301840Z 310 10 17 WHITEFISH POINT  
PTIM4 301718Z 70 4 5 POINT IROQUOIS  
CYAM 301700Z CALM SOO (CANADA)  
KANJ 301755Z CALM SAULT STE MARIE  
SWPM4 301718Z 250 4 7 49.99 S.W. PIER  
LTRM4 301718Z 330 3 4 46.04 LITTLE RAPIDS  
RCKM4 301718Z 220 3 5 51.44 ROCK CUT  
WNEM4 301718Z 200 2 5 47.66 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 301718Z 160 5 6 50.89 DETOUR VILLAGE  
KDRM 301755Z CALM DRUMMOND ISLAND  
KMCD 301755Z 200 10 MACKINAC ISLAND  
MACM4 301718Z 210 4 6 49.81 MACKINAC CITY  
KSLH 301755Z 200 5 CHEBOYGAN AIRPORT  
CYGM4 301750Z 180 10 16 CHEBOYGAN MARINA  
KPZQ 301755Z 310 7 ROGERS CITY  
PRIM4 301850Z 240 7 18 PRESQUE ISLE LIGHT  
KAPN 301754Z 330 6 ALPENA GUARD BASE  
APNM4 301740Z 330 13 19 ALPENA HARBOR LIGHT  
TBIM4 301730Z 340 10 19 THUNDER BAY ISLAND  
SPTM4 301850Z 310 11 24 STURGEON POINT LIGHT  
KOSC 301755Z 280 7 OSCODA  
TAWM4 301840Z 260 4 6 TAWAS POINT  
GSLM4 301740Z 250 17 21 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 301755Z 310 7 MANISTIQUE  
PNLM4 301718Z 220 7 8 55.21 PORT INLAND  
NABM4 301740Z 280 5 10 NAUBINWAY  
KSJX 301755Z 220 8 ST JAMES  
KPLN 301754Z 210 6 PELLSTON  
KMGN 301755Z CALM HARBOR SPRINGS  
KCVX 301755Z 230 4 CHARLEVOIX  
NMIM4 301828Z CALM NORTH MANITOU ISLAND  
GTLM4 301740Z 240 7 9 GRAND TRAVERSE LIGHT  
KFKS 301755Z CALM FRANKFORT  
MEEM4 301740Z 200 11 15 MANISTEE HARBOR  
BSBM4 301740Z 170 8 11 BIG SABLE POINT  
LDTM4 301718Z 220 4 6 LUDINGTON  
KLDM 301755Z 240 7 LUDINGTON AIRPORT  
 
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