970  
SXUS83 KAPX 210508  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
108 AM EDT TUE APR 21 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 210450Z 200 21 28 GRAND MARAIS  
GRMM4 210450Z 200 21 28 GRAND MARAIS  
PTIM4 210430Z 110 9 12 POINT IROQUOIS  
CYAM 210400Z 110 6 SOO (CANADA)  
KANJ 210455Z 110 4 SAULT STE MARIE  
SWPM4 210430Z 110 4 7 33.97 S.W. PIER  
LTRM4 210430Z 100 4 5 38.29 LITTLE RAPIDS  
RCKM4 210430Z 120 9 10 36.68 ROCK CUT  
WNEM4 210430Z 130 6 10 38.47 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 210430Z 160 6 9 33.79 DETOUR VILLAGE  
KDRM 210455Z 160 3 DRUMMOND ISLAND  
KMCD 210456Z 200 6 MACKINAC ISLAND  
MACM4 210430Z 190 6 9 37.39 MACKINAC CITY  
KSLH 210455Z 170 3 CHEBOYGAN AIRPORT  
CYGM4 210500Z 210 6 9 CHEBOYGAN MARINA  
KPZQ 210455Z 190 8 ROGERS CITY  
PRIM4 210450Z 190 11 17 PRESQUE ISLE LIGHT  
KAPN 210454Z 180 8 ALPENA GUARD BASE  
APNM4 210440Z 190 16 19 ALPENA HARBOR LIGHT  
SPTM4 210450Z 190 10 23 STURGEON POINT LIGHT  
KOSC 210455Z 190 12 18 OSCODA  
TAWM4 210440Z 170 13 19 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 210455Z 190 5 MANISTIQUE  
PNLM4 210430Z 200 3 4 42.97 PORT INLAND  
NABM4 210440Z 180 8 10 NAUBINWAY  
KSJX 210455Z 200 11 17 ST JAMES  
KPLN 210454Z CALM PELLSTON  
KMGN 210455Z 230 5 HARBOR SPRINGS  
KCVX 210455Z 190 12 17 CHARLEVOIX  
GTLM4 210440Z 190 8 16 GRAND TRAVERSE LIGHT  
KTVC 210453Z 190 8 TRAVERSE CITY  
KFKS 210455Z 180 11 19 FRANKFORT  
BSBM4 210440Z 160 15 22 BIG SABLE POINT  
LDTM4 210430Z 170 8 12 LUDINGTON  
KLDM 210455Z 170 9 LUDINGTON AIRPORT  
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