SXUS83 KAPX 181538 OMRAPX Marine Observations National Weather Service Gaylord MI 1138 AM EDT Sat Jul 18 2026 WIND DATA (KTS) WAVES WATER SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME ------------------------------------------------------------- Lake Superior/St Marys River GRMM4 181450Z 310 20 24 Grand Marais GRMM4 181450Z 310 20 24 Grand Marais CYAM 181512Z 300 15 21 SOO (Canada) KANJ 181526Z 290 13 23 Sault Ste Marie Lake Huron KDRM 181515Z 300 8 15 Drummond Island KMCD 181515Z 290 12 17 Mackinac Island KSLH 181515Z 300 12 21 Cheboygan Airport CYGM4 181530Z 310 29 37 Cheboygan Marina KPZQ 181515Z 320 11 19 Rogers City PRIM4 181450Z 280 21 29 Presque Isle Light KAPN 181532Z 300 13 21 Alpena Guard Base APNM4 181520Z 300 15 19 Alpena Harbor Light TBIM4 181500Z 300 9 14 Thunder Bay Island SPTM4 181450Z 290 10 24 Sturgeon Point Light KOSC 181515Z 290 15 18 Oscoda TAWM4 181440Z 270 9 13 Tawas Point GSLM4 181440Z 270 3 5 Gravelly Shoals Lake Michigan KISQ 181515Z 330 16 22 Manistique NABM4 181440Z 320 8 13 Naubinway KSJX 181515Z 310 12 20 St James KPLN 181507Z 310 12 24 Pellston KMGN 181515Z 300 7 15 Harbor Springs KCVX 181515Z 320 10 17 Charlevoix GTLM4 181440Z 320 17 19 Grand Traverse Light KTVC 181453Z 330 13 20 Traverse City KFKS 181515Z 360 10 16 Frankfort BSBM4 181440Z 350 11 15 Big Sable Point KLDM 181515Z 360 9 Ludington Airport