SXUS83 KAPX 181708 OMRAPX Marine Observations National Weather Service Gaylord MI 108 PM EDT Mon May 18 2026 WIND DATA (KTS) WAVES WATER SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME ------------------------------------------------------------- Lake Superior/St Marys River GRMM4 181650Z 270 15 16 Grand Marais GRMM4 181650Z 270 15 16 Grand Marais PTIM4 181630Z 110 6 8 Point Iroquois CYAM 181600Z 70 6 SOO (Canada) SWPM4 181630Z 120 5 8 42.26 S.W. Pier LTRM4 181630Z 150 5 6 41.36 Little Rapids RCKM4 181630Z 140 6 8 45.31 Rock Cut WNEM4 181630Z 150 6 10 42.61 West Nebish Island Lake Huron DTLM4 181630Z 170 4 5 43.88 DeTour Village KDRM 181655Z 140 3 Drummond Island MACM4 181630Z 90 4 5 46.94 Mackinac City KSLH 181656Z 350 3 Cheboygan Airport CYGM4 181700Z 40 4 7 Cheboygan Marina KPZQ 181655Z 230 10 16 Rogers City PRIM4 181650Z 150 1 15 Presque Isle Light KAPN 181654Z 180 9 Alpena Guard Base APNM4 181650Z 90 6 7 Alpena Harbor Light SPTM4 181650Z 180 11 17 Sturgeon Point Light KOSC 181655Z 200 18 24 Oscoda TAWM4 181640Z 180 8 10 Tawas Point GSLM4 181640Z 170 2 5 Gravelly Shoals Lake Michigan KISQ 181655Z 180 5 Manistique PNLM4 181630Z 210 9 12 46.94 Port Inland NABM4 181640Z 190 5 7 Naubinway KSJX 181655Z 240 14 20 St James KPLN 181654Z 210 10 17 Pellston KMGN 181655Z 220 4 Harbor Springs KCVX 181655Z 300 10 Charlevoix GTLM4 181640Z 250 9 21 Grand Traverse Light KTVC 181653Z 260 9 Traverse City BSBM4 181640Z 170 14 19 Big Sable Point LDTM4 181630Z 210 11 18 Ludington KLDM 181655Z 200 15 21 Ludington Airport