Port Chatham — AK, United States

Tide times & tide chart

4.9 ft2:53am10.0 ft10:14am8.2 ft3:33pm10.1 ft9:26pmNow
Tide predictions for Port Chatham, NOAA reference highs and lows, adjusted by published offsets. High 10.1 feet on Mon 19 Oct 2026 at 21:30, low 4.9 feet on Mon 19 Oct 2026 at 02:50, above MLLW, the chart datum.
↑8:54am↓6:47pm

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.

Download on the App StoreSlackwater

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 Port Chatham (America/Anchorage). Heights are in feet above MLLW.
DayTideTimeHeight
Mon 19 Oct 2026Low4.9 ft
Mon 19 Oct 2026High10.0 ft
Mon 19 Oct 2026Low8.2 ft
Mon 19 Oct 2026High10.1 ft
Tue 20 Oct 2026Low4.5 ft
Tue 20 Oct 2026High10.8 ft
Tue 20 Oct 2026Low6.8 ft
Tue 20 Oct 2026High10.7 ft
Wed 21 Oct 2026Low3.7 ft
Wed 21 Oct 2026High11.8 ft
Wed 21 Oct 2026Low4.9 ft
Wed 21 Oct 2026High11.7 ft
Thu 22 Oct 2026Low2.8 ft
Thu 22 Oct 2026High13.0 ft
Thu 22 Oct 2026Low2.9 ft
Fri 23 Oct 2026High12.8 ft
Fri 23 Oct 2026Low2.0 ft
Fri 23 Oct 2026High14.2 ft
Fri 23 Oct 2026Low0.9 ft
Sat 24 Oct 2026High13.9 ft
Sat 24 Oct 2026Low1.4 ft
Sat 24 Oct 2026High15.3 ft
Sat 24 Oct 2026Low-1.0 ft
Sun 25 Oct 2026High14.8 ft
Sun 25 Oct 2026Low1.1 ft
Sun 25 Oct 2026High16.2 ft
Sun 25 Oct 2026Low-2.4 ft

Station facts

Position
59.2133° N, 151.7280° W
Time zone
America/Anchorage
Datum
MLLW datum · NOAA reference highs and lows, adjusted by published offsets
Source
NOAA tide offsets from 9455500
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