589  
SXUS83 KAPX 210608  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
208 AM EDT THU MAY 21 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 210550Z 330 3 4 GRAND MARAIS  
GRMM4 210550Z 330 3 4 GRAND MARAIS  
PTIM4 210530Z 290 6 8 POINT IROQUOIS  
KANJ 210555Z 350 4 SAULT STE MARIE  
SWPM4 210530Z 240 1 2 42.79 S.W. PIER  
LTRM4 210530Z 340 4 5 41.71 LITTLE RAPIDS  
RCKM4 210530Z 300 6 8 43.88 ROCK CUT  
WNEM4 210530Z 320 5 6 42.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 210530Z 340 11 17 44.59 DETOUR VILLAGE  
KDRM 210555Z 10 5 DRUMMOND ISLAND  
KMCD 210555Z 10 8 MACKINAC ISLAND  
MACM4 210530Z 360 5 8 45.86 MACKINAC CITY  
KSLH 210556Z 340 5 CHEBOYGAN AIRPORT  
CYGM4 210600Z 350 10 17 CHEBOYGAN MARINA  
KPZQ 210555Z 320 7 ROGERS CITY  
PRIM4 210550Z 290 11 18 PRESQUE ISLE LIGHT  
KAPN 210554Z 310 5 ALPENA GUARD BASE  
APNM4 210550Z 330 9 12 ALPENA HARBOR LIGHT  
TBIM4 210530Z 340 7 11 THUNDER BAY ISLAND  
SPTM4 210550Z 330 11 18 STURGEON POINT LIGHT  
KOSC 210555Z 280 2 OSCODA  
TAWM4 210540Z 360 4 6 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 210555Z 360 4 MANISTIQUE  
PNLM4 210530Z 360 5 8 48.38 PORT INLAND  
NABM4 210540Z 360 10 14 NAUBINWAY  
KSJX 210555Z 10 4 ST JAMES  
KPLN 210554Z 290 4 PELLSTON  
KMGN 210555Z CALM HARBOR SPRINGS  
KCVX 210555Z 20 7 CHARLEVOIX  
GTLM4 210540Z 30 13 15 GRAND TRAVERSE LIGHT  
KTVC 210553Z 10 6 TRAVERSE CITY  
KFKS 210536Z CALM FRANKFORT  
BSBM4 210540Z 40 6 7 BIG SABLE POINT  
LDTM4 210530Z 40 5 7 LUDINGTON  
KLDM 210555Z 30 5 LUDINGTON AIRPORT  
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