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Knappa, Knappa Slough tide times

Oregon · NOAA station 9439069 · times in local time
Tuesday, October 27: high tide 3:26 AM (7.5 ft) and 2:42 PM (9.5 ft); low tide 9:21 AM (1.9 ft) and 10:19 PM (-1.2 ft).
next high tide
3:26 AM
7.5 ft
next low tide
9:21 AM
1.9 ft
moon
–
 

Tide chart — today, Tue, Oct 27

Heights in feet above Mean Lower Low Water (MLLW). Dots are NOAA's predicted highs and lows; the line between them is our interpolation. Shaded: night.

TideTimeHeight
High tide3:26 AM7.49 ft
Low tide9:21 AM1.92 ft
High tide2:42 PM9.50 ft
Low tide10:19 PM-1.22 ft

Knappa, Knappa Slough tide table — next 7 days

DayHigh tidesLow tides
Today
Tue, Oct 27		3:26 AM 7.5 ft2:42 PM 9.5 ft9:21 AM 1.9 ft10:19 PM -1.2 ft
Tomorrow
Wed, Oct 28		4:17 AM 7.4 ft3:22 PM 9.6 ft10:04 AM 2.3 ft11:06 PM -1.1 ft
Thu, Oct 295:10 AM 7.2 ft4:06 PM 9.4 ft10:50 AM 2.6 ft11:56 PM -0.9 ft
Fri, Oct 306:07 AM 6.9 ft4:57 PM 8.9 ft11:41 AM 2.8 ft
Sat, Oct 317:09 AM 6.8 ft5:57 PM 8.3 ft12:52 AM -0.5 ft12:44 PM 3.0 ft
Sun, Nov 17:14 AM 6.8 ft6:11 PM 7.6 ft1:56 AM -0.1 ft1:00 PM 3.0 ft
Mon, Nov 28:17 AM 7.0 ft7:37 PM 7.1 ft2:04 AM 0.2 ft2:24 PM 2.7 ft

The year at Knappa, Knappa Slough

Highest tide, next 12 months10.3 ft on December 24, 2026 at 1:09 PM
Lowest tide, next 12 months-1.8 ft on July 5, 2027 at 10:25 AM
Minus tides (below 0 ft)176 days in the next 12 months
Tide patternTwo high and two low tides a day
Typical daily range8.3 ft (30-day average)
StationNOAA 9439069 · subordinate station · 46.1867, -123.588

Knappa, Knappa Slough is a subordinate station: NOAA computes its tides from Astoria (Tongue Point), Oreg. with fixed time and height corrections.

Moving water at dawn and dusk —

The current runs fastest roughly halfway between a high and a low tide. Many anglers prefer those hours when they fall near sunrise or sunset. This is a rule of thumb, not a fishing forecast.

Map

Nearby tide stations

Settlers Point, Oreg.4.4 mi · OR Harrington Point, Wash.6.3 mi · OR Skamokawa8.5 mi · WA Astoria (Tongue Point), Oreg.8.7 mi · OR Wauna8.9 mi · OR Cathcart Landing, Youngs River11 mi · OR Astoria (Youngs Bay), Oreg.12 mi · OR Astoria (Port Docks), Oreg.13 mi · OR

All Oregon tide stations →

Questions about Knappa, Knappa Slough tides

What time is high tide at Knappa, Knappa Slough today?

On Tuesday, October 27, high tide at Knappa, Knappa Slough is at 3:26 AM (7.5 ft) and 2:42 PM (9.5 ft); low tide is at 9:21 AM (1.9 ft) and 10:19 PM (-1.2 ft) (PDT, heights above MLLW). The table above lists the next 7 days.

When are the highest tides of the year at Knappa, Knappa Slough?

The highest predicted tide in the next 12 months is 10.3 ft on December 24, 2026 at 1:09 PM. The largest tides fall a day or two after a full or new moon, especially when the Moon is closest to Earth.

Are there minus tides at Knappa, Knappa Slough?

Yes — on 176 days in the next 12 months the low tide drops below 0 ft (MLLW). The lowest is -1.8 ft on July 5, 2027 at 10:25 AM. Minus tides expose the most shoreline, which is why tide-poolers look for them.

What time zone are these tide times in?

Station local time (PDT at the time this page was built), with daylight saving time applied where the area observes it — the same convention as NOAA's own tide tables.

Where does this tide data come from?

From NOAA CO-OPS, the U.S. government tide station network (tidesandcurrents.noaa.gov); the predictions are public domain. Knappa, Knappa Slough is a subordinate station: NOAA derives its times and heights from the reference station Astoria (Tongue Point), Oreg. with fixed corrections. The curve between highs and lows is our interpolation. This page is not for navigation.