SXUS83 KAPX 181238 OMRAPX Marine Observations National Weather Service Gaylord MI 838 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 181150Z 300 21 23 Grand Marais GRMM4 181150Z 300 21 23 Grand Marais CYAM 181223Z 300 18 25 SOO (Canada) KANJ 181210Z 290 9 17 Sault Ste Marie Lake Huron KDRM 181215Z 290 5 Drummond Island KMCD 181215Z 320 11 17 Mackinac Island KSLH 181216Z 300 15 19 Cheboygan Airport CYGM4 181230Z 300 16 33 Cheboygan Marina KPZQ 181215Z 250 6 Rogers City PRIM4 181150Z 240 12 16 Presque Isle Light KAPN 181154Z 230 7 Alpena Guard Base APNM4 181220Z 270 7 10 Alpena Harbor Light TBIM4 181200Z 240 19 21 Thunder Bay Island SPTM4 181150Z CALM Sturgeon Point Light KOSC 181215Z 290 14 19 Oscoda TAWM4 181140Z 230 6 11 Tawas Point GSLM4 181140Z 230 15 20 Gravelly Shoals Lake Michigan KISQ 181215Z 330 11 21 Manistique NABM4 181140Z 330 12 18 Naubinway KSJX 181215Z 320 11 18 St James KPLN 181225Z 310 13 Pellston KMGN 181215Z 300 7 Harbor Springs KCVX 181215Z 320 10 17 Charlevoix GTLM4 181140Z 340 13 18 Grand Traverse Light KTVC 181153Z 300 7 Traverse City KFKS 181215Z 330 10 14 Frankfort BSBM4 181140Z 260 15 17 Big Sable Point KLDM 181215Z 280 5 Ludington Airport