SXUS83 KAPX 181138 OMRAPX Marine Observations National Weather Service Gaylord MI 738 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 181050Z 300 19 22 Grand Marais GRMM4 181050Z 300 19 22 Grand Marais CYAM 181119Z 320 6 SOO (Canada) KANJ 181055Z 280 3 Sault Ste Marie Lake Huron KDRM 181115Z CALM Drummond Island KMCD 181115Z 300 10 16 Mackinac Island KSLH 181115Z 270 6 Cheboygan Airport CYGM4 181130Z 250 8 13 Cheboygan Marina KPZQ 181115Z 240 6 Rogers City PRIM4 181050Z 210 11 17 Presque Isle Light KAPN 181113Z 220 10 Alpena Guard Base APNM4 181120Z 250 9 11 Alpena Harbor Light TBIM4 181100Z 240 29 34 Thunder Bay Island SPTM4 181050Z CALM Sturgeon Point Light KOSC 181115Z 240 12 Oscoda TAWM4 181040Z 240 6 11 Tawas Point GSLM4 181040Z 220 22 25 Gravelly Shoals Lake Michigan KISQ 181115Z 330 11 19 Manistique NABM4 181040Z 320 12 18 Naubinway KSJX 181115Z 330 7 St James KPLN 181115Z 300 11 Pellston KMGN 181115Z 290 7 Harbor Springs KCVX 181115Z 310 9 Charlevoix GTLM4 181040Z 300 11 13 Grand Traverse Light KTVC 181053Z 280 10 Traverse City KFKS 181115Z 300 11 15 Frankfort BSBM4 181040Z 230 17 20 Big Sable Point KLDM 181115Z 260 8 Ludington Airport