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2077 - Lake Ontario/Lac Ontario (Western Portion/Partie Ouest) - New Edition - 17-JUL-2020 - NAD 1983

24-OCT-2025LNM/D. 13-OCT-2023
Amend yellow cautionary lighted pillar buoy Fl Y (priv), marked WY to read yellow cautionary lighted spar buoy Fl Y (priv), marked WY
(See Chart 1, Qi)
This notice affects Electronic Navigational Chart: CA273096
43°14′44.6″N 079°36′08.6″W

(B2025029) LL(538.2) DFO(6605555-01)
24-OCT-2025LNM/D. 13-OCT-2023
Reposition yellow cautionary lighted spar buoy Fl Y (priv), marked WY
(See Chart 1, Qi)

This notice affects Electronic Navigational Chart: CA273096
from 43°14′44.6″N 079°36′08.6″W
to 43°15′07.8″N 079°36′08.2″W

(B2025029) LL(538.2) DFO(6605555-02)
24-OCT-2025LNM/D. 13-OCT-2023
Amend yellow cautionary lighted pillar buoy Fl Y (priv), marked WT to read yellow cautionary lighted spar buoy Fl Y (priv), marked WT
(See Chart 1, Qi)

This notice affects Electronic Navigational Chart: CA273096
43°14′29.1″N 079°35′29.4″W

(B2025030) LL(538.3) DFO(6605556-01)
24-OCT-2025LNM/D. 13-OCT-2023
Reposition yellow cautionary lighted spar buoy Fl Y (priv), marked WT
(See Chart 1, Qi)

This notice affects Electronic Navigational Chart: CA273096
from 43°14′29.1″N 079°35′29.4″W
to 43°14′51.1″N 079°35′16.1″W

(B2025030) LL(538.3) DFO(6605556-02)
24-OCT-2025LNM/D. 13-OCT-2023
Add crib which covers and uncovers 0.3m, Rep (2025)
(See Chart 1, Fb)
43°40′15.6″N 079°16′18.0″W

DFO(6605561-01)
13-OCT-2023LNM/D. 04-AUG-2023
Reposition green port hand spar buoy, marked MJ1
(See Chart 1, Qc)
This notice affects Electronic Navigational Chart: CA373091
from 43°12′39.5″N 079°15′12.2″W
to 43°12′35.0″N 079°15′11.8″W

(B2023028) DFO(6605153-02)
04-AUG-2023LNM/D. 28-OCT-2022
Amend Iso 4s 13m to read Iso G 4s 13m
(See Chart 1, P16)
This notice affects Electronic Navigational Chart: CA373091
43°12′39.8″N 079°15′48.3″W

(B2023020) LL(539) DFO(6605073-01)
28-OCT-2022LNM/D. 12-NOV-2021
Add water intake
(See Chart 1, L41.1)
This notice affects Electronic Navigational Chart: CA373091, CA473519, CA573008
joining 43°36′25.3″N 079°22′47.1″W
43°36′12.0″N 079°22′42.5″W
and 43°35′44.4″N 079°21′17.3″W

DFO(6604941-01)
12-NOV-2021
Amend Fl R 10m to read Fl R 7m against light (See Chart No. 1, P16)
This notice affects Electronic Navigational Chart: CA373091, CA473519
43°23′34.3″N 079°42′21.1″W

(B2021029) LL(530) DFO(6604817-01)
12-NOV-2021
Amend Fl R 13m to read Fl R 9m against light
(See Chart No. 1, P16)
This notice affects Electronic Navigational Chart: CA373091
43°13′51.2″N 079°12′39.3″W

(B2021030) LL(544.7) DFO(6604818-01)

Click here for the list of replaced and withdrawn charts by the Canadian Hydrographic Service (CHS).


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