Please note: In many cases, the station position in our database is accurate
to only one minute. Thus, the tide gauge may not appear to be on the coast.
Alert Bay 822/021 RLR(1968) is 14.4m below BM 5,1965
Documentation added 2010-08-19
To clarify the RLR diagram BM 1 1947 was in use 1947-1957, BM 2 1947 was in use 1957-1965. BM 5 1965 came into use 1965 onwards. RLR facto is 4.075m. BM 5 1965 is 14.4m below TGBM BM 5 1965.
Data Authority
Canadian Hydrographic Service 615 Booth Street Ottawa Ontario K1A 0E6