Chart correction 52/21 — chart 12245

★12245 71Ed. 08/01/20 LAST NM 39/21 52/21 Relocate Buoy "22" from 37°00′09.5″N 76°17′52.7″W to 37°00′04.1″N 76°18′00.7″W Buoy "21" from 37°00′04.0″N 76°17′02.2″W to 36°59′57.0″N 76°17′37.4″W Change Note to "NOTE E HAMPTON ROADS TUNNEL APPROACH SPANS Bridges Under Construction (see caution)" 36°56′59.6″N 76°18′19.1″W Legend to "Bridges Under Construction (see caution)" 36°57′41.4″N 76°16′14.3″W (See 12/21) Add Purple tint (construction area) [Dd] 175 yards wide on centerline between 37°00′41.1″N 76°19′22.1″W 37°00′03.0″N 76°19′06.4″W Purple tint (construction area) [Dd] 175 yards wide on centerline joining 36°58′57.4″N 76°18′05.5″W 36°58′13.1″N 76°18′01.3″W 36°58′02.5″N 76°17′51.1″W Purple tint (construction area) [Dd] 175 yards wide on centerline between 36°57′54.1″N 76°17′12.7″W 36°57′45.4″N 76°16′17.2″W Caution Note "CAUTION Fixed and floating obstructions, some submerged, may exist within the magenta tinted bridge construction area. Mariners are advised to proceed with caution." 36°56′27.4″N 76°18′49.6″W (NOS; 46/21 CG5)

Source: NGA U.S. Notice to Mariners · edition: 71Ed. 08/01/20

Reference information — always verify against official Notices to Mariners before navigation.