LAGUNA MADRE CHANNEL - BROWNSVILLE CHANNEL
ATON / Advanced Notice of Change
The Coast Guard will convert the following navigational ranges to day/night optics and removing the KRW range boards after November 24, 2026. Change Brownsville Channel F Range Front Light (LLNR-29990/43110) in position 25-57.04N 097-24.19W, from showing Fl G 2.5s, 45ft, KRW-I on skeleton tower, visible 2° each side of rangeline to show Fl G 2.5s (NIGHT), and Fl W 2.5s (DAY), 45ft, visible 1.5° each side of rangeline (NIGHT); Visible only on rangeline (DAY); Lighted throughout 24 hours; Rangeline does not mark centerline of channel.
Position 25-57.03N 097-24.18W
USCG Heartland (Gulf) District Local Notice to Mariners 45/2026