SXUS83 KAPX 190308 OMRAPX Marine Observations National Weather Service Gaylord MI 1108 PM EDT Mon Aug 18 2025 WIND DATA (KTS) WAVES WATER SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME ------------------------------------------------------------- Lake Superior/St Marys River GRMM4 190250Z 100 9 11 Grand Marais WFPM4 190240Z 150 16 22 Whitefish Point PTIM4 190230Z 110 10 15 Point Iroquois CYAM 190200Z 90 6 SOO (Canada) KANJ 190255Z 100 4 Sault Ste Marie SWPM4 190230Z 110 6 8 69.79 S.W. Pier LTRM4 190230Z 100 6 8 63.86 Little Rapids RCKM4 190230Z 110 8 11 68.36 Rock Cut WNEM4 190230Z 120 4 6 64.94 West Nebish Island Lake Huron DTLM4 190230Z 130 8 11 69.26 DeTour Village KDRM 190255Z CALM Drummond Island KMCD 190256Z 120 10 14 Mackinac Island MACM4 190230Z 140 10 15 Mackinac City KSLH 190255Z 110 5 Cheboygan Airport CYGM4 190300Z 110 8 12 Cheboygan Marina SRLM4 190100Z 100 20 Spectacle Reef Light PRIM4 190250Z 90 14 16 Presque Isle Light KAPN 190254Z 110 8 Alpena Guard Base APNM4 190250Z 100 13 14 Alpena Harbor Light TBIM4 190230Z 110 14 16 Thunder Bay Island SPTM4 190250Z 110 12 15 Sturgeon Point Light KOSC 190255Z 110 7 Oscoda GSLM4 190240Z 110 19 21 Gravelly Shoals Lake Michigan KISQ 190255Z 120 10 17 Manistique PNLM4 190230Z 120 20 24 70.69 Port Inland NABM4 190240Z 130 22 26 Naubinway KSJX 190255Z 110 10 St James KPLN 190254Z CALM Pellston KMGN 190255Z 70 8 Harbor Springs KCVX 190255Z 100 13 Charlevoix NMIM4 190228Z CALM North Manitou Island GTLM4 190240Z 90 10 15 Grand Traverse Light KTVC 190253Z 70 3 Traverse City KFKS 190255Z 90 3 Frankfort MEEM4 190240Z 100 7 12 Manistee Harbor BSBM4 190240Z 110 13 18 Big Sable Point LDTM4 190230Z 90 6 9 Ludington KLDM 190255Z 110 8 Ludington Airport