The Narrows, South End (Midstream) — WA, United States

Tidal currents & slack water

↑2.5 kn↑3.1 kn↑1.7 kn↑1.3 kn06:3313:3719:47Now
Tidal current at The Narrows, South End (Midstream), computed from harmonic constituents. Slack water on Mon 19 Oct 2026 at 19:47.
↑7:34am↓6:14pm

Predictions are not observations — conditions vary with weather and river flow. Not for navigation.

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Slack water and maximums for the next 7 days

Mon 19 Oct 2026 through Sun 25 Oct 2026. All times are local to The Narrows, South End (Midstream) (America/Los_Angeles). What slack water is, and why it isn’t high or low tide.
DayCurrentTimeSpeed
Mon 19 Oct 2026Max ebb2.5 kn
Mon 19 Oct 2026Slack
Mon 19 Oct 2026Max flood3.1 kn
Mon 19 Oct 2026Slack
Mon 19 Oct 2026Max ebb1.7 kn
Mon 19 Oct 2026Slack
Mon 19 Oct 2026Max flood1.3 kn
Tue 20 Oct 2026Slack
Tue 20 Oct 2026Max ebb2.7 kn
Tue 20 Oct 2026Slack
Tue 20 Oct 2026Max flood3.3 kn
Tue 20 Oct 2026Slack
Tue 20 Oct 2026Max ebb2.1 kn
Tue 20 Oct 2026Slack
Tue 20 Oct 2026Max flood1.7 kn
Wed 21 Oct 2026Slack
Wed 21 Oct 2026Max ebb3.0 kn
Wed 21 Oct 2026Slack
Wed 21 Oct 2026Max flood3.6 kn
Wed 21 Oct 2026Slack
Wed 21 Oct 2026Max ebb2.6 kn
Wed 21 Oct 2026Slack
Wed 21 Oct 2026Max flood2.2 kn
Thu 22 Oct 2026Slack
Thu 22 Oct 2026Max ebb3.2 kn
Thu 22 Oct 2026Slack
Thu 22 Oct 2026Max flood3.9 kn
Thu 22 Oct 2026Slack
Thu 22 Oct 2026Max ebb3.2 kn
Thu 22 Oct 2026Slack
Fri 23 Oct 2026Max flood3.0 kn
Fri 23 Oct 2026Slack
Fri 23 Oct 2026Max ebb3.3 kn
Fri 23 Oct 2026Slack
Fri 23 Oct 2026Max flood4.1 kn
Fri 23 Oct 2026Slack
Fri 23 Oct 2026Max ebb3.8 kn
Fri 23 Oct 2026Slack
Sat 24 Oct 2026Max flood3.8 kn
Sat 24 Oct 2026Slack
Sat 24 Oct 2026Max ebb3.3 kn
Sat 24 Oct 2026Slack
Sat 24 Oct 2026Max flood4.1 kn
Sat 24 Oct 2026Slack
Sat 24 Oct 2026Max ebb4.4 kn
Sat 24 Oct 2026Slack
Sun 25 Oct 2026Max flood4.7 kn
Sun 25 Oct 2026Slack
Sun 25 Oct 2026Max ebb3.1 kn
Sun 25 Oct 2026Slack
Sun 25 Oct 2026Max flood4.0 kn
Sun 25 Oct 2026Slack
Sun 25 Oct 2026Max ebb4.8 kn

Station facts

Position
47.2613° N, 122.5583° W
Time zone
America/Los_Angeles
Source
NOAA harmonic constituents
Region
WA, United States

How we check predictions — dated samples and their limits.

Nearby

All current stations