Chart: 11355, Current Edition: 32, Print Date: Feb. /2019
Intracoastal Waterway Catahoula Bay to Wax Lake Outlet including the Houma Navigation canal
This is the Last Edition of this chart. It will be canceled on May 1, 2024

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ActionItem NameCharting LabelLatitudeLongitudePublished DocumentKappRNC PanelRNC PostedPDF Posted
AddDangerous WreckPA Chart No. 1: K28N 29° 41' 43.980"W 091° 12' 58.140"LNM 12/24, 8th Dist3211355_53/28/20243/28/2024
AddVisible WreckPA Chart No. 1: K24N 29° 13' 08.400"W 090° 39' 17.100"LNM 50/23, 8th Dist3011355_312/21/202312/21/2023
AddCentral Boat Rentals Mooring Dolphin LightFl 2.5s 14ft PrivN 29° 39' 03.840"W 091° 12' 01.800"LNM 25/23, 8th Dist3211355_56/29/20236/29/2023
AddCentral Boat Rentals Mooring Dolphin LightFl 2.5s 14ft PrivN 29° 39' 08.760"W 091° 12' 04.620"LNM 25/23, 8th Dist3211355_56/29/20236/29/2023
AddCentral Boat Rentals Mooring Dolphin LightFl 2.5s 14ft PrivN 29° 39' 14.040"W 091° 12' 09.240"LNM 25/23, 8th Dist3211355_56/29/20236/29/2023
AddCentral Boat Rentals Mooring Dolphin LightFl 2.5s 14ft PrivN 29° 39' 17.820"W 091° 12' 12.420"LNM 25/23, 8th Dist3211355_56/29/20236/29/2023
RelocateHouma Navigation Canal B Range Rear Light Passing LightFl 4s 14ft 5MN 29° 10' 47.928"W 090° 35' 58.994"LNM 02/23, 8th Dist3011355_31/19/20231/19/2023
RelocateHouma Navigation Canal B Range Rear LightIso 6s 67ft Ra RefN 29° 10' 47.928"W 090° 35' 58.994"LNM 02/23, 8th Dist3011355_31/19/20231/19/2023
RelocateHouma Navigation Canal A Range Rear Light Passing LightFl 4s 12ft 4MN 29° 12' 30.656"W 090° 37' 09.315"LNM 02/23, 8th Dist3011355_31/19/20231/19/2023
ChangeHouma Navigation Canal A Range Rear LightIso 6s 57ftN 29° 12' 30.656"W 090° 37' 09.315"LNM 02/23, 8th Dist3011355_31/19/20231/19/2023
RelocateHouma Navigation Canal A Range Rear LightIso 6s 57ftN 29° 12' 30.656"W 090° 37' 09.315"LNM 02/23, 8th Dist3011355_31/19/20231/19/2023
RelocateLake Cocodrie Buoy 7G C "7"N 29° 36' 33.429"W 090° 58' 46.668"Not Yet Published3111355_412/8/202212/8/2022
AddTLCD Bayou Plat Alternate Channel Danger Closure LightFl 2.5s PrivN 29° 19' 58.940"W 090° 43' 44.350"LNM 35/22, 8th Dist2911355_29/8/20229/8/2022
AddTLCD Bayou Plat Alternate Channel Daybeacon 6R "6" PrivN 29° 20' 23.270"W 090° 43' 49.270"LNM 35/22, 8th Dist2911355_29/8/20229/8/2022
AddTLCD Bayou Plat Alternate Channel Light 5Fl G 2.5s "5" PrivN 29° 20' 23.970"W 090° 43' 49.320"LNM 35/22, 8th Dist2911355_29/8/20229/8/2022
AddTLCD Bayou Plat Alternate Channel Light 2Fl R 2.5s "2" PrivN 29° 20' 22.650"W 090° 44' 00.570"LNM 35/22, 8th Dist2911355_29/8/20229/8/2022
AddTLCD Bayou Plat Alternate Channel Daybeacon 1G "1" PrivN 29° 20' 23.520"W 090° 44' 00.560"LNM 35/22, 8th Dist2911355_29/8/20229/8/2022
AddDangerous WreckPA Chart No. 1: K28N 29° 33' 33.000"W 090° 28' 28.200"LNM 47/21, 8th Dist2811355_112/2/202112/2/2021
AddSubmerged ObstructionObstn PA Chart No. 1: K40N 29° 07' 57.400"W 090° 35' 27.200"LNM 46/21, 8th Dist3011355_311/25/202111/25/2021
AddBayou Chene Floodgate Light 6Fl R 2.5s "6" PrivN 29° 37' 18.670"W 091° 05' 32.580"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
AddBayou Chene Floodgate Light 5Fl G 2.5s "5" PrivN 29° 37' 22.900"W 091° 05' 31.020"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
AddBayou Chene Floodgate Light 4Fl R 2.5s "4" PrivN 29° 37' 19.360"W 091° 05' 34.210"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
AddBayou Chene Floodgate Light 3Fl G 2.5s "3" PrivN 29° 37' 23.470"W 091° 05' 32.620"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
AddBayou Chene Floodgate Light 2Fl R 2.5s "2" PrivN 29° 37' 20.160"W 091° 05' 36.720"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
AddBayou Chene Floodgate Light 1Fl G 2.5s "1" PrivN 29° 37' 24.880"W 091° 05' 38.270"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
DeleteBayou Chene Light 4Fl R 2.5s "4" PrivN 29° 37' 17.472"W 091° 05' 21.771"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
DeleteBayou Chene Light 3Fl G 2.5s "3" PrivN 29° 37' 21.795"W 091° 05' 21.952"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
DeleteBayou Chene Light 2Fl R 2.5s "2" PrivN 29° 37' 17.413"W 091° 05' 23.787"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
DeleteBayou Chene Light 1Fl G 2.5s "1" PrivN 29° 37' 21.724"W 091° 05' 23.941"LNM 34/21, 8th Dist3111355_49/2/20219/2/2021
AddSubmerged ObstructionObstn PA Chart No. 1: K40N 29° 34' 27.400"W 090° 34' 46.600"LNM 15/21, 8th Dist2811355_14/29/20214/22/2021
AddSubmerged ObstructionObstn PA Chart No. 1: K40N 29° 41' 15.600"W 091° 12' 37.900"LNM 03/21, 8th Dist3211355_51/28/20211/28/2021
AddHutchinson Upstream Dock LightFl 2.5s PrivN 29° 36' 08.500"W 090° 42' 36.200"LNM 44/20, 8th Dist10411355_611/12/202011/12/2020
AddHutchinson Upstream Dock LightFl 2.5s PrivN 29° 36' 08.500"W 090° 42' 36.200"LNM 44/20, 8th Dist2811355_111/12/202011/12/2020
AddHutchinson Downstream Dock LightFl 2.5s PrivN 29° 36' 06.500"W 090° 42' 36.200"LNM 44/20, 8th Dist10411355_611/12/202011/12/2020
AddHutchinson Downstream Dock LightFl 2.5s PrivN 29° 36' 06.500"W 090° 42' 36.200"LNM 44/20, 8th Dist2811355_111/12/202011/12/2020
AddProject Depths Note:Channel legends and tabulations, where indicated, reflect the U.S. Army Corps of Engineers (USACE) project depths. The channel may be significantly shoaler, particularly at the edges. For detailed channel information and minimum depths as reported by USACE, use NOAA Electronic Navigational Charts. USACE surveys and channel condition reports are available at http://navigation.usace.army.mil/Survey/Hydro.N 29° 37' 16.600"W 090° 46' 42.250"LNM 39/20, 8th Dist2811355_19/24/20209/24/2020
ChangeDepth Note - Note B - HOUMA NAVIGATION CANAL to:The project depth is 15 feet for Houma Navigation Channel. See Project Depths note.N 29° 37' 16.600"W 090° 46' 42.250"LNM 39/20, 8th Dist2811355_19/24/20209/24/2020
DeleteSounding in Feet20N 29° 05' 11.000"W 090° 34' 55.900"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 12 OF 12Chart No. 1: I20N 29° 05' 59.390"W 090° 34' 35.810"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 11 OF 12Chart No. 1: I20N 29° 05' 53.680"W 090° 34' 36.970"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 10 OF 12Chart No. 1: I20N 29° 05' 41.140"W 090° 34' 40.490"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 9 OF 12Chart No. 1: I20N 29° 05' 23.370"W 090° 34' 45.640"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 8 OF 12Chart No. 1: I20N 29° 05' 23.500"W 090° 34' 46.480"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 7 OF 12Chart No. 1: I20N 29° 04' 58.390"W 090° 34' 53.630"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 6 OF 12Chart No. 1: I20N 29° 05' 59.240"W 090° 34' 34.130"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 5 OF 12Chart No. 1: I20N 29° 05' 53.790"W 090° 34' 35.190"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 4 OF 12Chart No. 1: I20N 29° 05' 40.920"W 090° 34' 38.910"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 3 OF 12Chart No. 1: I20N 29° 05' 22.990"W 090° 34' 43.960"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 2 OF 12Chart No. 1: I20N 29° 05' 22.760"W 090° 34' 43.180"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
DeleteChannel Limits PT 1 OF 12Chart No. 1: I20N 29° 05' 00.380"W 090° 34' 49.500"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
ChangeDepth Note - NOTE B - HOUMA NAVIGATION CANAL to:The controlling depth in the Bar Channel was 16 feet; thence 11 feet in the Bay Channel; thence 4 1/2 feet in the Lower Channel to the junction with the Intracoastal Waterway. This waterway is subject to shoaling, particularly at the edges. May - Jul 2019N 29° 37' 16.220"W 090° 46' 45.560"LNM 15/20, 8th Dist2811355_14/9/20204/9/2020
AddChannel Limits PT 12 OF 12Chart No. 1: I20N 29° 05' 59.390"W 090° 34' 35.810"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 11 OF 12Chart No. 1: I20N 29° 05' 54.490"W 090° 34' 36.750"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 10 OF 12Chart No. 1: I20N 29° 05' 46.510"W 090° 34' 39.620"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 9 OF 12Chart No. 1: I20N 29° 05' 25.010"W 090° 34' 49.760"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 8 OF 12Chart No. 1: I20N 29° 05' 25.320"W 090° 34' 50.530"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 7 OF 12Chart No. 1: I20N 29° 04' 53.130"W 090° 35' 04.760"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 6 OF 12Chart No. 1: I20N 29° 05' 59.240"W 090° 34' 34.130"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 5 OF 12Chart No. 1: I20N 29° 05' 54.170"W 090° 34' 35.100"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 4 OF 12Chart No. 1: I20N 29° 05' 45.940"W 090° 34' 38.060"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 3 OF 12Chart No. 1: I20N 29° 05' 24.410"W 090° 34' 48.220"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 2 OF 12Chart No. 1: I20N 29° 05' 24.100"W 090° 34' 47.450"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
AddChannel Limits PT 1 OF 12Chart No. 1: I20N 29° 04' 55.040"W 090° 35' 00.690"LNM 15/20, 8th Dist3011355_34/9/20204/9/2020
RelocateMorgan City-Port Allen Alternate Route Daybeacon 14R "14" Ra RefN 29° 43' 37.180"W 091° 11' 08.393"LNM 45/19, 8th Dist3211355_511/14/201911/14/2019
ChangeHouma Navigation Canal B Range Front LightQ 26ftN 29° 11' 13.291"W 090° 36' 33.636"LNM 41/19, 8th Dist3011355_310/17/201910/17/2019
RelocateHouma Navigation Canal B Range Front LightQ 26ftN 29° 11' 13.291"W 090° 36' 33.636"LNM 41/19, 8th Dist3011355_310/17/201910/17/2019
AddSubmerged ObstructionObstn PA Chart No. 1:K40N 29° 36' 07.000"W 090° 40' 28.000"LNM 35/19, 8th Dist10411355_69/5/20199/5/2019
AddSubmerged ObstructionObstn PA Chart No. 1:K40N 29° 36' 07.000"W 090° 40' 28.000"LNM 35/19, 8th Dist2811355_19/5/20199/5/2019
RelocateLittle Wax Bayou Light 2Fl R 2.5s 17ft 4M "2" Ra RefN 29° 39' 29.722"W 091° 14' 50.571"LNM 34/19, 8th Dist3211355_59/5/20199/5/2019
RelocateHouma Navigation Canal B Range Rear Light Passing LightFl 4s 14ft 5MN 29° 10' 47.930"W 090° 35' 58.988"LNM 34/19, 8th Dist3011355_39/5/20199/5/2019
ChangeHouma Navigation Canal B Range Rear LightIso 6s 67ft Ra RefN 29° 10' 47.930"W 090° 35' 58.988"LNM 34/19, 8th Dist3011355_39/5/20199/5/2019
RelocateHouma Navigation Canal B Range Rear LightIso 6s 67ft Ra RefN 29° 10' 47.930"W 090° 35' 58.988"LNM 34/19, 8th Dist3011355_39/5/20199/5/2019
RelocateCat Island Pass Buoy 17G C "17"N 29° 05' 31.080"W 090° 34' 48.405"LNM 33/19, 8th Dist3011355_38/22/20198/22/2019
RelocateCat Island Pass Lighted Buoy 15G "15" Fl G 4sN 29° 05' 03.675"W 090° 35' 01.412"LNM 33/19, 8th Dist3011355_38/22/20198/22/2019
ChangeDepth Legend - BAYOU BOEUF INT. to:7 1/2 FT MID 200 FT JUL 2018N 29° 37' 29.190"W 091° 05' 03.400"LNM 36/19, 8th Dist3111355_48/29/20198/29/2019
ChangeDepth Legend - BAYOU CHENE to:7 1/2 FT MID 200 FT JUL 2018N 29° 37' 06.190"W 091° 06' 16.840"LNM 36/19, 8th Dist3111355_48/29/20198/29/2019
ChangeDepth Legend - BERWICK HARBOR to:9 1/2 FT CENTERLINE AUG 2018N 29° 42' 58.610"W 091° 13' 23.420"LNM 36/19, 8th Dist3211355_58/29/20198/29/2019
ChangeDepth Note - NOTE B HOUMA NAVIGATION CANAL to:The controlling depth in the Bar Channel was 11 1/2 feet; thence 12 feet in the Bay Channel; thence 4 1/2 feet in the Lower Channel to the junction with the Intracoastal Waterway. This waterway is subject to shoaling, particularly at the edges. May – Aug 2018N 29° 37' 18.000"W 090° 46' 00.000"LNM 36/19, 8th Dist2811355_18/29/20198/29/2019
ChangeDepth Legend - BAYOU BLACK to:8 1/2 FT MID 200 FT JUL 2018N 29° 38' 35.580"W 091° 02' 30.540"LNM 36/19, 8th Dist3111355_48/29/20198/29/2019
ChangeDepth Legend - BAYOU BLACK INT. to:12 FT MID 200 FT JUL 2018N 29° 37' 35.920"W 091° 04' 46.590"LNM 36/19, 8th Dist3111355_48/29/20198/29/2019
AddHouma Navigation Canal A Range Rear Light Passing LightFl 4s 14ft 5MN 29° 12' 30.646"W 090° 37' 09.330"LNM 23/19, 8th Dist3011355_36/27/20196/27/2019
ChangeChannel Limits PT 4 OF 4Chart No. 1: I20N 29° 34' 14.130"W 090° 43' 02.100"LNM 20/19, 8th Dist2811355_15/9/20195/9/2019
ChangeChannel Limits PT 3 OF 4Chart No. 1: I20N 29° 31' 56.120"W 090° 42' 21.990"LNM 20/19, 8th Dist2811355_15/9/20195/9/2019
ChangeChannel Limits PT 2 OF 4Chart No. 1: I20N 29° 34' 15.130"W 090° 43' 00.790"LNM 20/19, 8th Dist2811355_15/9/20195/9/2019
ChangeChannel Limits PT 1 OF 4Chart No. 1: I20N 29° 31' 56.260"W 090° 42' 20.230"LNM 20/19, 8th Dist2811355_15/9/20195/9/2019
ChangeChannel Limits PT 4 OF 4Chart No. 1: I20N 29° 19' 47.650"W 090° 43' 49.060"LNM 20/19, 8th Dist3011355_35/9/20195/9/2019
ChangeChannel Limits PT 3 OF 4Chart No. 1: I20N 29° 04' 58.650"W 090° 34' 53.500"LNM 20/19, 8th Dist3011355_35/9/20195/9/2019
ChangeChannel Limits PT 2 OF 4Chart No. 1: I20N 29° 19' 48.510"W 090° 43' 47.670"LNM 20/19, 8th Dist3011355_35/9/20195/9/2019
ChangeChannel Limits PT 1 OF 4Chart No. 1: I20N 29° 05' 00.520"W 090° 34' 49.500"LNM 20/19, 8th Dist3011355_35/9/20195/9/2019
ChangeChannel Limits PT 4 OF 4Chart No. 1: I20N 29° 34' 14.130"W 090° 43' 02.100"LNM 20/19, 8th Dist2911355_25/9/20195/9/2019
ChangeChannel Limits PT 3 OF 4Chart No. 1: I20N 29° 19' 30.160"W 090° 43' 39.380"LNM 20/19, 8th Dist2911355_25/9/20195/9/2019
ChangeChannel Limits PT 2 OF 4Chart No. 1: I20N 29° 34' 15.130"W 090° 43' 00.790"LNM 20/19, 8th Dist2911355_25/9/20195/9/2019
ChangeChannel Limits PT 1 OF 4Chart No. 1: I20N 29° 19' 30.360"W 090° 43' 37.530"LNM 20/19, 8th Dist2911355_25/9/20195/9/2019
ChangeChannel Limits PT 4 OF 4Chart No. 1: I20N 29° 34' 14.130"W 090° 43' 02.100"LNM 20/19, 8th Dist10411355_65/9/20195/9/2019
ChangeChannel Limits PT 3 OF 4Chart No. 1: I20N 29° 32' 12.700"W 090° 42' 19.620"LNM 20/19, 8th Dist10411355_65/9/20195/9/2019
ChangeChannel Limits PT 2 OF 4Chart No. 1: I20N 29° 34' 15.130"W 090° 43' 00.790"LNM 20/19, 8th Dist10411355_65/9/20195/9/2019
ChangeChannel Limits PT 1 OF 4Chart No. 1: I20N 29° 32' 12.390"W 090° 42' 17.960"LNM 20/19, 8th Dist10411355_65/9/20195/9/2019
ChangeDepth Legend - Lily Boom East Cutoff to:11 1/2 FT MID 200 FT FEB 2018N 29° 37' 35.000"W 091° 04' 50.000"LNM 17/19, 8th Dist3111355_44/18/20194/18/2019
ChangeDepth Legend - Bayou Black to:9 FT MID 200 FT FEB 2018N 29° 38' 41.000"W 091° 02' 23.000"LNM 17/19, 8th Dist3111355_44/18/20194/18/2019
ChangeDepth Legend - Lily Boom West Cutoff to:8 1/2 FT MID 200 FT FEB 2018N 29° 37' 41.000"W 091° 04' 58.000"LNM 17/19, 8th Dist3111355_44/18/20194/18/2019
ChangeDepth Legend - Bayou Chene to:4 1/2 FT MID 200 FT OCT 2017N 29° 37' 06.000"W 091° 06' 35.000"LNM 17/19, 8th Dist3111355_44/18/20194/18/2019
ChangeDepth Note B - HOUMA NAVIGATION CANAL to: The controlling depth was 13 feet through Cat Island Pass; thence 13 feet from the entrance of the improved channel in Terrebonne Bay (29°06'00"N 90°34'30"W), to Bayou Petit Caillou; thence 12 feet to Bayou Grand Caillou; thence 11 feet to Bayou Pelton; thence 13 feet to the junction with the Intracoastal Waterway. This waterway is subject to shoaling, particularly at the edges. Dec 2016 - Jan 2017N 29° 37' 18.000"W 090° 46' 00.000"LNM 17/19, 8th Dist2811355_14/18/20194/18/2019
ChangeSounding in Feet20N 29° 05' 10.830"W 090° 34' 56.060"LNM 17/19, 8th Dist3011355_34/18/20194/18/2019
ChangeDump SiteDump Site (discontinued) (dredged material) (see note S) Depths from surveys of 1934-2016N 29° 05' 07.300"W 090° 35' 08.100"LNM 17/19, 8th Dist3011355_34/18/20194/18/2019


This listing provides all corrections to this chart since 2/5/2019, the Release Date of Edition 32.

Edition: 32, Print Date: Feb. /2019
Edition: 31, Print Date: Jul. /2016
Edition: 30, Print Date: Aug. /2013
Edition: 29, Print Date: May. /2011
Edition: 28, Print Date: Mar. /2008
Edition: 27, Print Date: Feb. /2006
Edition: 26, Print Date: Apr. /2004
Edition: 25, Print Date: Jul. /2003
Edition: 24, Print Date: Jun. /2002
Edition: 23, Print Date: 5/13/2000


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While information provided by this listing is intended to assist in the updating of nautical charts, it must not be used as a substitute for the United States Coast Guard, National Geospatial-Intelligence Agency or Canadian Coast Guard Notice to Mariner publications.

The information available on this listing is derived from the NOS Critical Chart Corrections database (CRIT), which is used as an in-house chart production tool, and may contain some naming conventions, textual abbreviations or acronyms that are unfamiliar to the general public.

Due to ongoing development of the NOS Critical Chart Corrections database (CRIT) throughout the previous decade of the 1990’s, channel tabulations, depth legends, depth notes and chartlets may not be included in chart update listings prior to January 2000.

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1. The user agrees not to copy or distribute the chart updates from this listing, nor to send the chart updates from this listing to any other server or location for further reproduction or distribution, unless the following conditions are followed: a) the NOAA Chart Update Disclaimer in its entirety is displayed to anyone who accesses the chart updates, and b) a reference to the NOAA Chart Update web site is included so that anyone accessing the chart updates is advised of where they originated.

2. The user acknowledges that should these chart updates be incorporated into any other product in a form other than as provided by the NOAA Chart Update web site, the producer of that product assumes full liability.

3. The user acknowledges that information provided by the NOAA Chart Update web site is intended as a tool for the convenient updating of nautical charts, but it must not be used as a substitute for the United States Coast Guard, National Imagery & Mapping Agency or Canadian Coast Guard Notice to Mariner publications.

4. The user acknowledges that certain information, such as temporary changes to aids to navigation, special published announcements and other important information affecting navigational safety, are not available on the NOAA Chart Update web site.

Requesting this listing signifies acknowledgement of having read the above terms and conditions.