Arecibo — Puerto Rico

Tide times & tide chart

1.0 ft1:58am0.4 ft7:47am1.7 ft3:08pm0.7 ft10:03pmNow
Tide predictions for Arecibo, computed from harmonic constituents. High 1.7 feet on Mon 19 Oct 2026 at 15:10, low 0.4 feet on Mon 19 Oct 2026 at 07:50, above MLLW, the chart datum.
↑6:21am↓6:01pm

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 Arecibo (America/Puerto_Rico). Heights are in feet above MLLW.
DayTideTimeHeight
Mon 19 Oct 2026High1.0 ft
Mon 19 Oct 2026Low0.4 ft
Mon 19 Oct 2026High1.7 ft
Mon 19 Oct 2026Low0.7 ft
Tue 20 Oct 2026High1.1 ft
Tue 20 Oct 2026Low0.5 ft
Tue 20 Oct 2026High1.7 ft
Tue 20 Oct 2026Low0.7 ft
Wed 21 Oct 2026High1.3 ft
Wed 21 Oct 2026Low0.6 ft
Wed 21 Oct 2026High1.6 ft
Wed 21 Oct 2026Low0.6 ft
Thu 22 Oct 2026High1.5 ft
Thu 22 Oct 2026Low0.6 ft
Thu 22 Oct 2026High1.6 ft
Thu 22 Oct 2026Low0.5 ft
Fri 23 Oct 2026High1.7 ft
Fri 23 Oct 2026Low0.6 ft
Fri 23 Oct 2026High1.5 ft
Sat 24 Oct 2026Low0.4 ft
Sat 24 Oct 2026High1.9 ft
Sat 24 Oct 2026Low0.5 ft
Sat 24 Oct 2026High1.4 ft
Sun 25 Oct 2026Low0.2 ft
Sun 25 Oct 2026High2.0 ft
Sun 25 Oct 2026Low0.5 ft
Sun 25 Oct 2026High1.3 ft

Station facts

Position
18.4805° N, 66.7024° W
Time zone
America/Puerto_Rico
Datum
MLLW datum · computed from harmonic constituents
Source
Harmonic constituents from US National Oceanic and Atmospheric Administration
Country
Puerto Rico

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