643  
SXUS83 KAPX 131208  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
808 AM EDT THU AUG 13 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 131150Z 180 3 GRAND MARAIS  
GRMM4 131150Z 180 3 GRAND MARAIS  
PTIM4 131130Z 300 5 7 POINT IROQUOIS  
CYAM 131100Z CALM SOO (CANADA)  
KANJ 131155Z CALM SAULT STE MARIE  
SWPM4 131130Z 190 1 2 69.26 S.W. PIER  
LTRM4 131130Z 200 2 62.24 LITTLE RAPIDS  
RCKM4 131130Z CALM 3 69.61 ROCK CUT  
WNEM4 131130Z CALM 1 63.86 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 131130Z 280 2 3 66.91 DETOUR VILLAGE  
KDRM 131155Z CALM DRUMMOND ISLAND  
KMCD 131155Z 30 3 MACKINAC ISLAND  
MACM4 131130Z 210 2 3 72.31 MACKINAC CITY  
KSLH 131155Z 290 2 CHEBOYGAN AIRPORT  
CYGM4 131205Z 250 6 7 CHEBOYGAN MARINA  
KPZQ 131155Z 260 3 ROGERS CITY  
PRIM4 131150Z 260 5 10 PRESQUE ISLE LIGHT  
KAPN 131154Z 280 3 ALPENA GUARD BASE  
APNM4 131150Z 310 6 8 ALPENA HARBOR LIGHT  
TBIM4 131100Z 300 6 8 THUNDER BAY ISLAND  
SPTM4 131150Z 310 3 9 STURGEON POINT LIGHT  
KOSC 131155Z CALM OSCODA  
TAWM4 131140Z 320 4 6 TAWAS POINT  
GSLM4 131040Z 320 4 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 131155Z 360 2 MANISTIQUE  
PNLM4 131130Z 330 2 4 70.16 PORT INLAND  
NABM4 131140Z 20 2 3 NAUBINWAY  
KSJX 131155Z 90 1 ST JAMES  
KPLN 131154Z CALM PELLSTON  
KMGN 131155Z 60 3 HARBOR SPRINGS  
KCVX 131155Z 120 2 CHARLEVOIX  
GTLM4 131140Z 190 3 6 GRAND TRAVERSE LIGHT  
KTVC 131153Z 190 3 TRAVERSE CITY  
KFKS 131155Z CALM FRANKFORT  
BSBM4 131140Z 80 4 5 BIG SABLE POINT  
LDTM4 131130Z 80 3 4 LUDINGTON  
KLDM 131155Z 100 2 LUDINGTON AIRPORT  
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