SXUS83 KAPX 181838 OMRAPX Marine Observations National Weather Service Gaylord MI 238 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 181750Z 250 7 10 Grand Marais GRMM4 181750Z 250 7 10 Grand Marais PTIM4 181800Z 100 5 6 Point Iroquois CYAM 181800Z 200 5 SOO (Canada) KANJ 181755Z 260 5 Sault Ste Marie SWPM4 181800Z 60 5 6 S.W. Pier LTRM4 181800Z CALM 4 Little Rapids RCKM4 181800Z 210 6 10 Rock Cut WNEM4 181800Z 220 5 8 West Nebish Island Lake Huron DTLM4 181800Z 10 3 5 DeTour Village KDRM 181815Z 280 3 Drummond Island KMCD 181815Z 250 10 15 Mackinac Island MACM4 181800Z 270 10 14 Mackinac City CYGM4 181830Z 360 8 13 Cheboygan Marina KPZQ 181815Z 360 5 Rogers City PRIM4 181750Z 110 8 9 Presque Isle Light KAPN 181754Z 200 12 19 Alpena Guard Base APNM4 181820Z 120 12 14 Alpena Harbor Light SPTM4 181750Z 180 11 18 Sturgeon Point Light KOSC 181815Z 190 22 28 Oscoda TAWM4 181740Z 180 9 13 Tawas Point GSLM4 181740Z 170 4 7 Gravelly Shoals Lake Michigan KISQ 181815Z 210 4 Manistique PNLM4 181800Z 210 1 2 Port Inland NABM4 181740Z 240 5 12 Naubinway KSJX 181815Z 230 7 St James KPLN 181754Z 290 10 21 Pellston KMGN 181815Z 210 3 Harbor Springs KCVX 181815Z 290 4 Charlevoix GTLM4 181740Z 280 22 26 Grand Traverse Light BSBM4 181740Z 180 10 16 Big Sable Point LDTM4 181800Z 200 18 24 Ludington KLDM 181815Z 200 17 24 Ludington Airport