SXUS83 KAPX 211538 OMRAPX Marine Observations National Weather Service Gaylord MI 1138 AM EDT Tue Apr 21 2026 WIND DATA (KTS) WAVES WATER SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME ------------------------------------------------------------- Lake Superior/St Marys River GRMM4 211450Z 240 6 8 Grand Marais GRMM4 211450Z 240 6 8 Grand Marais PTIM4 211500Z CALM 4 Point Iroquois CYAM 211500Z 70 4 SOO (Canada) SWPM4 211500Z 70 7 8 33.79 S.W. Pier LTRM4 211500Z 130 3 5 37.94 Little Rapids RCKM4 211500Z 110 6 7 37.94 Rock Cut WNEM4 211500Z 140 4 6 38.66 West Nebish Island Lake Huron DTLM4 211500Z 180 7 8 33.79 DeTour Village KDRM 211515Z 220 5 Drummond Island KMCD 211515Z 250 13 20 Mackinac Island MACM4 211500Z 280 13 16 39.37 Mackinac City KSLH 211515Z 240 10 Cheboygan Airport CYGM4 211530Z 240 31 Cheboygan Marina KPZQ 211515Z 230 9 Rogers City PRIM4 211450Z 200 9 21 Presque Isle Light KAPN 211454Z 170 13 18 Alpena Guard Base APNM4 211520Z 160 12 14 Alpena Harbor Light SPTM4 211450Z 160 7 15 Sturgeon Point Light KOSC 211515Z 210 19 24 Oscoda TAWM4 211440Z 200 6 10 Tawas Point Lake Michigan KISQ 211515Z 200 10 16 Manistique PNLM4 211500Z 230 8 12 41.89 Port Inland NABM4 211440Z 220 13 15 Naubinway KSJX 211515Z 240 10 St James KPLN 211454Z 220 13 20 Pellston KMGN 211515Z 250 6 Harbor Springs KCVX 211515Z 220 6 Charlevoix GTLM4 211440Z 170 6 13 Grand Traverse Light KTVC 211453Z 180 11 18 Traverse City KFKS 211515Z 220 10 17 Frankfort BSBM4 211440Z 170 13 20 Big Sable Point LDTM4 211500Z 200 13 16 Ludington KLDM 211515Z 200 11 Ludington Airport