930  
SXUS83 KAPX 181638  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1238 PM EDT TUE AUG 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 181550Z 280 20 24 GRAND MARAIS  
GRMM4 181550Z 280 20 24 GRAND MARAIS  
PTIM4 181600Z 270 4 8 POINT IROQUOIS  
CYAM 181600Z 280 9 SOO (CANADA)  
KANJ 181555Z 290 6 SAULT STE MARIE  
SWPM4 181600Z 310 6 7 69.44 S.W. PIER  
LTRM4 181600Z 310 5 7 63.14 LITTLE RAPIDS  
RCKM4 181600Z 270 6 9 69.26 ROCK CUT  
WNEM4 181600Z 260 5 9 64.21 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 181600Z 260 6 15 65.66 DETOUR VILLAGE  
KDRM 181615Z 280 5 DRUMMOND ISLAND  
KMCD 181615Z 250 13 16 MACKINAC ISLAND  
MACM4 181600Z 240 10 19 71.59 MACKINAC CITY  
KSLH 181615Z 220 11 14 CHEBOYGAN AIRPORT  
CYGM4 181630Z 220 14 22 CHEBOYGAN MARINA  
KPZQ 181615Z 250 8 ROGERS CITY  
PRIM4 181550Z 230 6 15 PRESQUE ISLE LIGHT  
KAPN 181554Z 240 9 ALPENA GUARD BASE  
APNM4 181450Z 260 10 12 ALPENA HARBOR LIGHT  
TBIM4 181400Z 220 13 14 THUNDER BAY ISLAND  
SPTM4 181550Z 240 1 12 STURGEON POINT LIGHT  
KOSC 181557Z 220 10 OSCODA  
TAWM4 181540Z 190 2 8 TAWAS POINT  
GSLM4 181540Z 200 9 13 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 181615Z 290 8 MANISTIQUE  
PNLM4 181600Z 280 7 11 71.06 PORT INLAND  
NABM4 181540Z 210 9 12 NAUBINWAY  
KSJX 181615Z 250 13 17 ST JAMES  
KPLN 181554Z 230 9 PELLSTON  
KMGN 181615Z 260 6 HARBOR SPRINGS  
KCVX 181615Z 260 14 20 CHARLEVOIX  
GTLM4 181540Z 240 16 19 GRAND TRAVERSE LIGHT  
KTVC 181553Z 220 11 16 TRAVERSE CITY  
KFKS 181615Z 190 11 16 FRANKFORT  
BSBM4 181540Z 190 7 9 BIG SABLE POINT  
LDTM4 181600Z 210 7 13 LUDINGTON  
KLDM 181615Z 220 9 LUDINGTON AIRPORT  
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