Saint John — NB, Canada

Tide times & tide chart

6.7 ft12:31am20.7 ft6:45am7.8 ft12:53pm21.6 ft7:05pmNow
Tide predictions for Saint John, computed from harmonic constituents. High 21.6 feet on Mon 19 Oct 2026 at 19:10, low 6.7 feet on Mon 19 Oct 2026 at 00:30, above LLWLT, the chart datum.
↑7:45am↓6:32pm

Predictions are not observations — conditions vary with weather and river flow. Not for navigation.

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Tide times for the next 7 days

Mon 19 Oct 2026 through Sun 25 Oct 2026. All times are local to Saint John (America/Moncton). Heights are in feet above LLWLT.
DayTideTimeHeight
Mon 19 Oct 2026Low6.7 ft
Mon 19 Oct 2026High20.7 ft
Mon 19 Oct 2026Low7.8 ft
Mon 19 Oct 2026High21.6 ft
Tue 20 Oct 2026Low6.7 ft
Tue 20 Oct 2026High20.9 ft
Tue 20 Oct 2026Low7.5 ft
Tue 20 Oct 2026High21.8 ft
Wed 21 Oct 2026Low6.4 ft
Wed 21 Oct 2026High21.5 ft
Wed 21 Oct 2026Low6.8 ft
Wed 21 Oct 2026High22.3 ft
Thu 22 Oct 2026Low5.7 ft
Thu 22 Oct 2026High22.4 ft
Thu 22 Oct 2026Low5.8 ft
Thu 22 Oct 2026High23.0 ft
Fri 23 Oct 2026Low4.9 ft
Fri 23 Oct 2026High23.5 ft
Fri 23 Oct 2026Low4.6 ft
Fri 23 Oct 2026High23.8 ft
Sat 24 Oct 2026Low4.1 ft
Sat 24 Oct 2026High24.6 ft
Sat 24 Oct 2026Low3.4 ft
Sat 24 Oct 2026High24.6 ft
Sun 25 Oct 2026Low3.4 ft
Sun 25 Oct 2026High25.5 ft
Sun 25 Oct 2026Low2.4 ft

Station facts

Position
45.2546° N, 66.0600° W
Time zone
America/Moncton
Datum
LLWLT datum · computed from harmonic constituents
Source
Harmonic constituents from TICON-4
Region
NB, Canada

Heights are measured above chart datum. A negative height means there is that much less water than the charted depth shows.

Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data

How we check predictions — dated samples and their limits.

Nearby

All tide stations