Harbor Island, Aransas Channel

Fri 21 Aug 2026

0.5 kn0.5 kn09:0221:48Now
Tidal current at Harbor Island, Aransas Channel, computed from harmonic constituents. Slack water on Fri 21 Aug 2026 at 09:02.

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

Get the beta on TestFlightSlackwater