577  
SXUS83 KAPX 210408  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1208 AM SAT MAR 21 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 210350Z 320 7 GRAND MARAIS  
GRMM4 210350Z 320 7 GRAND MARAIS  
PTIM4 210330Z 270 6 8 POINT IROQUOIS  
CYAM 210343Z 310 7 SOO (CANADA)  
KANJ 210355Z 310 6 SAULT STE MARIE  
SWPM4 210330Z 310 7 11 S.W. PIER  
LTRM4 210330Z 300 6 8 LITTLE RAPIDS  
RCKM4 210330Z 290 7 10 ROCK CUT  
WNEM4 210330Z 300 9 12 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 210330Z 300 6 9 34.16 DETOUR VILLAGE  
KDRM 210355Z 290 4 DRUMMOND ISLAND  
KMCD 210355Z 300 6 MACKINAC ISLAND  
MACM4 210330Z 300 4 5 32.18 MACKINAC CITY  
KSLH 210355Z 310 5 CHEBOYGAN AIRPORT  
CYGM4 210400Z 310 4 8 CHEBOYGAN MARINA  
KPZQ 210355Z 320 6 ROGERS CITY  
PRIM4 210350Z 290 6 8 PRESQUE ISLE LIGHT  
KAPN 210354Z CALM ALPENA GUARD BASE  
APNM4 210350Z 190 1 ALPENA HARBOR LIGHT  
TBIM4 210300Z 350 2 4 THUNDER BAY ISLAND  
SPTM4 210350Z CALM STURGEON POINT LIGHT  
KOSC 210355Z 100 2 OSCODA  
TAWM4 210340Z 10 4 7 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 210355Z CALM MANISTIQUE  
PNLM4 210330Z 260 3 4 PORT INLAND  
NABM4 210340Z 260 2 4 NAUBINWAY  
KSJX 210355Z 300 4 ST JAMES  
KPLN 210354Z 320 5 PELLSTON  
KMGN 210355Z CALM HARBOR SPRINGS  
KCVX 210355Z 240 3 CHARLEVOIX  
GTLM4 210340Z 280 1 4 GRAND TRAVERSE LIGHT  
KTVC 210353Z CALM TRAVERSE CITY  
KFKS 210355Z CALM FRANKFORT  
BSBM4 210340Z CALM 2 BIG SABLE POINT  
LDTM4 210330Z 60 3 LUDINGTON  
KLDM 210355Z 290 2 LUDINGTON AIRPORT  
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