East of Battery Islets:
East of Tow Channel Buoy 1 TC.
East of Tow Channel Buoy 3 TC.
West of Tow Channel Buoy 4 TC.
East of Colorado Reef:
East of Wrangell Narrows Channel Light 21.
West of Wrangell Narrows Channel Lighted Buoy 25.
East of Tow Channel Buoy 5 TC.
East of Tow Channel Buoy 7 TC.
West of Petersburg:
East of Wrangell Narrows Channel Light 54 Fr.
East of Wrangell Narrows Channel Light 56 Qk FR.
East of Wrangell Narrows Channel Light 58 Fr., thence proceeding to west side of channel and leaving Wrangell Narrows by making passage between Wrangell Narrows Channel Daybeacon 61 and Wrangell Narrows North Entrance Lighted Bell Buoy 63 F.
33 C.F.R. §162.255