Copano Bay — TX, United States

Tide times & tide chart

0.3 ft9:51am0.0 ft9:39pmNow
Tide predictions for Copano Bay, computed from harmonic constituents. High 0.3 feet on Mon 19 Oct 2026 at 09:50, low 0.0 feet on Mon 19 Oct 2026 at 21:40, above MLLW, the chart datum.
↑7:31am↓6:54pm

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 Copano Bay (America/Chicago). Heights are in feet above MLLW.
DayTideTimeHeight
Mon 19 Oct 2026High0.3 ft
Mon 19 Oct 2026Low0.0 ft
Tue 20 Oct 2026High0.3 ft
Tue 20 Oct 2026Low0.1 ft
Wed 21 Oct 2026High0.3 ft
Wed 21 Oct 2026Low0.1 ft
Thu 22 Oct 2026High0.3 ft
Thu 22 Oct 2026Low0.2 ft
Fri 23 Oct 2026High0.3 ft
Fri 23 Oct 2026Low0.1 ft
Sat 24 Oct 2026High0.3 ft
Sat 24 Oct 2026Low0.1 ft
Sun 25 Oct 2026High0.3 ft
Sun 25 Oct 2026Low0.0 ft

Station facts

Position
28.1183° N, 97.0217° W
Time zone
America/Chicago
Datum
MLLW datum · computed from harmonic constituents
Source
Harmonic constituents from US National Oceanic and Atmospheric Administration
Region
TX, 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