Tides Today & Tomorrow in Columbia River entrance, WA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Columbia River entrance, WA.
Next low tide : in 1h 23m at 9:17 pm (1.5 ft)
Next high tide (tomorrow) : 3:16 am (6.7 ft)
Sunset today : 8:46 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9440574
Common Questions About Tides

Columbia River entrance, WA Tides - Jan 2084

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:497.96:505.312:332.07:584:40Third Quarter1Sat
2Sun6:428.28:205.31:471.47:584:41Third Quarter2Sun
3Mon7:408.59:385.71:043.62:550.67:584:42Waning Crescent3Mon
4Tue8:418.910:436.22:183.93:57-0.17:584:43Waning Crescent4Tue
5Wed9:419.211:386.83:263.94:52-0.77:584:44Waning Crescent5Wed
6Thu10:389.54:303.75:44-1.27:584:45New Moon6Thu
7Fri12:287.211:33 AM9.65:293.46:32-1.47:584:46New Moon7Fri
8Sat1:147.612:269.46:243.07:17-1.47:574:48New Moon8Sat
9Sun1:587.81:189.17:172.67:58-1.17:574:49Waxing Crescent9Sun
10Mon2:408.02:098.58:092.38:38-0.67:574:50Waxing Crescent10Mon
11Tue3:218.13:017.89:002.09:160.17:564:51Waxing Crescent11Tue
12Wed4:018.13:557.09:532.09:531.07:564:52Waxing Crescent12Wed
13Thu4:418.14:556.210:491.910:331.97:554:54First Quarter13Thu
14Fri5:237.96:045.511:521.911:192.87:554:55First Quarter14Fri
15Sat6:087.87:205.21:001.87:544:56First Quarter15Sat
16Sun6:587.78:385.312:153.52:071.57:534:58Waxing Gibbous16Sun
17Mon7:527.69:475.61:204.13:081.17:534:59Waxing Gibbous17Mon
18Tue8:477.710:436.02:254.34:010.87:525:00Waxing Gibbous18Tue
19Wed9:387.811:286.43:254.34:460.47:515:02Waxing Gibbous19Wed
20Thu10:257.94:184.15:260.17:505:03Waxing Gibbous20Thu
21Fri12:086.711:07 AM8.05:053.86:030.07:505:04Full Moon21Fri
22Sat12:456.911:47 AM8.15:493.56:36-0.27:495:06Full Moon22Sat
23Sun1:187.112:258.06:303.27:06-0.27:485:07Full Moon23Sun
24Mon1:487.21:037.97:092.97:35-0.17:475:09Full Moon24Mon
25Tue2:157.41:417.77:462.58:020.27:465:10Waning Gibbous25Tue
26Wed2:417.62:237.38:242.28:300.67:455:12Waning Gibbous26Wed
27Thu3:097.83:096.89:051.99:011.17:445:13Waning Gibbous27Thu
28Fri3:398.14:036.29:511.79:361.87:435:15Third Quarter28Fri
29Sat4:168.25:105.610:481.610:192.67:425:16Third Quarter29Sat
30Sun5:018.36:355.112:001.57:405:17Third Quarter30Sun
31Mon5:588.38:075.21:211.27:395:19Third Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9440574)

Common Questions About Columbia River entrance, WA Tides

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What time does the tide turn (slack tide) in Columbia River entrance, WA today?

Slack tide in Columbia River entrance, WA is approximately 12:16 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Columbia River entrance, WA?

Columbia River entrance, WA is currently in a spring phase. Tonight's moon is 90% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Columbia River entrance, WA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Columbia River entrance, WA?

Tide predictions for Columbia River entrance, WA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Columbia River entrance, WA?

Tide data for Columbia River entrance, WA is sourced from NOAA Station #9440574. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9440574.

What is the moon phase in Columbia River entrance, WA tonight?

Tonight the moon over Columbia River entrance, WA is Waning Gibbous (90% illuminated). This places Columbia River entrance, WA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA