Tanapag Harbor — Northern Mariana Islands

Tide times & tide chart

1.6 ft12:37am0.3 ft8:45am2.0 ft4:43pm1.4 ft10:16pmNow
Tide predictions for Tanapag Harbor, computed from harmonic constituents. High 2.0 feet on Tue 20 Oct 2026 at 16:40, low 0.3 feet on Tue 20 Oct 2026 at 08:50, above MLLW, the chart datum.
↑6:09am↓5:53pm

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

Tue 20 Oct 2026 through Mon 26 Oct 2026. All times are local to Tanapag Harbor (Pacific/Saipan). Heights are in feet above MLLW.
DayTideTimeHeight
Tue 20 Oct 2026High1.6 ft
Tue 20 Oct 2026Low0.3 ft
Tue 20 Oct 2026High2.0 ft
Tue 20 Oct 2026Low1.4 ft
Wed 21 Oct 2026High1.6 ft
Wed 21 Oct 2026Low0.4 ft
Wed 21 Oct 2026High2.0 ft
Wed 21 Oct 2026Low1.1 ft
Thu 22 Oct 2026High1.6 ft
Thu 22 Oct 2026Low0.4 ft
Thu 22 Oct 2026High2.0 ft
Thu 22 Oct 2026Low0.9 ft
Fri 23 Oct 2026High1.8 ft
Fri 23 Oct 2026Low0.5 ft
Fri 23 Oct 2026High2.1 ft
Fri 23 Oct 2026Low0.6 ft
Sat 24 Oct 2026High1.9 ft
Sat 24 Oct 2026Low0.7 ft
Sat 24 Oct 2026High2.1 ft
Sun 25 Oct 2026Low0.3 ft
Sun 25 Oct 2026High2.0 ft
Sun 25 Oct 2026Low0.9 ft
Sun 25 Oct 2026High2.1 ft
Mon 26 Oct 2026Low0.0 ft
Mon 26 Oct 2026High2.2 ft
Mon 26 Oct 2026Low1.1 ft
Mon 26 Oct 2026High2.1 ft

Station facts

Position
15.2267° N, 145.7370° E
Time zone
Pacific/Saipan
Datum
MLLW datum · computed from harmonic constituents
Source
Harmonic constituents from US National Oceanic and Atmospheric Administration
Country
Northern Mariana Islands

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