Cape Constantine — AK, United States

Tide times & tide chart

11.2 ft7:10am5.1 ft1:50pm6.2 ft5:52pmNow
Tide predictions for Cape Constantine, computed from harmonic constituents. High 11.2 feet on Mon 19 Oct 2026 at 07:10, low 1.3 feet on Mon 19 Oct 2026 at 00:00, above MLLW, the chart datum.
↑9:22am↓7:19pm

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

Slackwater predicts tides and currents offline, on your phone — tides worldwide, currents across the US and Canada.

Requires iOS 26 or later.

Tide times for the next 7 days

Mon 19 Oct 2026 through Sun 25 Oct 2026. All times are local to Cape Constantine (America/Anchorage). Heights are in feet above MLLW.
DayTideTimeHeight
Mon 19 Oct 2026High11.2 ft
Mon 19 Oct 2026Low5.1 ft
Mon 19 Oct 2026High6.2 ft
Tue 20 Oct 2026Low1.6 ft
Tue 20 Oct 2026High10.8 ft
Tue 20 Oct 2026Low5.0 ft
Tue 20 Oct 2026High6.4 ft
Wed 21 Oct 2026Low2.1 ft
Wed 21 Oct 2026High10.2 ft
Wed 21 Oct 2026Low4.7 ft
Wed 21 Oct 2026High6.7 ft
Thu 22 Oct 2026Low2.8 ft
Thu 22 Oct 2026High9.7 ft
Thu 22 Oct 2026Low4.2 ft
Thu 22 Oct 2026High7.2 ft
Fri 23 Oct 2026Low3.6 ft
Fri 23 Oct 2026High9.1 ft
Fri 23 Oct 2026Low3.4 ft
Fri 23 Oct 2026High7.9 ft
Sat 24 Oct 2026Low4.3 ft
Sat 24 Oct 2026High8.5 ft
Sat 24 Oct 2026Low2.6 ft
Sat 24 Oct 2026High8.9 ft
Sun 25 Oct 2026Low5.0 ft
Sun 25 Oct 2026High8.0 ft
Sun 25 Oct 2026Low1.6 ft
Sun 25 Oct 2026High10.0 ft

Station facts

Position
58.5217° N, 159.1520° W
Time zone
America/Anchorage
Datum
MLLW datum · computed from harmonic constituents
Region
AK, United States

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)

How we check predictions — dated samples and their limits.

Nearby

All tide stations