SXUS83 KAPX 181338 OMRAPX Marine Observations National Weather Service Gaylord MI 938 AM 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 181250Z 170 23 27 Grand Marais GRMM4 181250Z 170 23 27 Grand Marais CYAM 181300Z 100 8 SOO (Canada) KANJ 181317Z 120 8 Sault Ste Marie Lake Huron KDRM 181315Z 130 7 Drummond Island KMCD 181315Z 100 10 Mackinac Island KSLH 181315Z 170 4 Cheboygan Airport CYGM4 181330Z 140 6 8 Cheboygan Marina KPZQ 181315Z 200 9 Rogers City PRIM4 181250Z 150 1 10 Presque Isle Light KAPN 181254Z 170 5 Alpena Guard Base APNM4 181320Z 120 7 8 Alpena Harbor Light SPTM4 181250Z 170 10 13 Sturgeon Point Light KOSC 181315Z 230 10 Oscoda TAWM4 181240Z 130 2 3 Tawas Point GSLM4 181240Z CALM 2 Gravelly Shoals Lake Michigan KISQ 181315Z 140 9 14 Manistique NABM4 181240Z 130 9 12 Naubinway KSJX 181315Z 260 6 St James KPLN 181254Z 140 6 Pellston KMGN 181315Z CALM Harbor Springs KCVX 181315Z 200 12 18 Charlevoix GTLM4 181240Z 170 6 17 Grand Traverse Light KTVC 181253Z 200 6 16 Traverse City BSBM4 181240Z 170 16 25 Big Sable Point KLDM 181315Z 200 15 23 Ludington Airport