881  
SXUS83 KAPX 211808  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
208 PM 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 211750Z 80 14 16 GRAND MARAIS  
GRMM4 211750Z 80 14 16 GRAND MARAIS  
PTIM4 211730Z 70 5 6 POINT IROQUOIS  
CYAM 211700Z 150 5 SOO (CANADA)  
SWPM4 211730Z 10 3 4 42.61 S.W. PIER  
LTRM4 211730Z 150 6 8 41.71 LITTLE RAPIDS  
RCKM4 211730Z 140 10 43.88 ROCK CUT  
WNEM4 211730Z 120 4 11 42.97 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 211730Z 180 9 10 44.59 DETOUR VILLAGE  
KDRM 211755Z 180 6 DRUMMOND ISLAND  
KMCD 211756Z 120 7 MACKINAC ISLAND  
MACM4 211730Z 100 16 18 47.47 MACKINAC CITY  
KSLH 211755Z 60 14 CHEBOYGAN AIRPORT  
CYGM4 211800Z 50 16 24 CHEBOYGAN MARINA  
KPZQ 211755Z 70 10 ROGERS CITY  
PRIM4 211750Z 110 5 9 PRESQUE ISLE LIGHT  
KAPN 211754Z 80 11 ALPENA GUARD BASE  
APNM4 211750Z 110 10 12 ALPENA HARBOR LIGHT  
SPTM4 211750Z 20 5 12 STURGEON POINT LIGHT  
KOSC 211755Z 70 10 17 OSCODA  
TAWM4 211740Z 50 7 17 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 211755Z 140 11 MANISTIQUE  
PNLM4 211730Z 120 15 17 48.19 PORT INLAND  
NABM4 211740Z 150 11 13 NAUBINWAY  
KSJX 211755Z 70 9 ST JAMES  
KPLN 211754Z 100 9 18 PELLSTON  
KMGN 211755Z 70 8 15 HARBOR SPRINGS  
KCVX 211755Z 10 11 CHARLEVOIX  
GTLM4 211740Z 30 12 16 GRAND TRAVERSE LIGHT  
KTVC 211753Z 10 7 TRAVERSE CITY  
BSBM4 211740Z 360 11 15 BIG SABLE POINT  
LDTM4 211730Z CALM 6 LUDINGTON  
KLDM 211755Z 100 8 LUDINGTON AIRPORT  
 
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