Tides Today & Tomorrow in Columbia River entrance, WA

TIDE TIMES for Sunday, August 2, 2026
The tide is currently falling in Columbia River entrance, WA.
Next low tide : in 3h 53m at 9:26 am (-0.3 ft)
Next high tide : 4:04 pm (6.9 ft)
Sunset today : 8:45 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waning Gibbous (83% illuminated)
Tide Station Location : Station #9440574
Common Questions About Tides

Columbia River entrance, WA Tides - Sep 2084

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:416.72:096.97:450.08:080.56:387:53New Moon1Fri
2Sat2:206.62:347.28:140.38:440.26:397:51Waxing Crescent2Sat
3Sun3:026.33:017.48:430.89:210.06:417:49Waxing Crescent3Sun
4Mon3:475.93:317.69:141.310:030.06:427:47Waxing Crescent4Mon
5Tue4:385.54:087.79:491.910:530.16:437:45Waxing Crescent5Tue
6Wed5:395.04:557.510:322.511:570.36:447:43First Quarter6Wed
7Thu6:554.65:557.211:313.16:467:41First Quarter7Thu
8Fri8:184.67:117.01:180.412:553.46:477:39First Quarter8Fri
9Sat9:345.08:356.92:390.22:273.26:487:37Waxing Gibbous9Sat
10Sun10:345.69:537.13:48-0.23:432.66:497:35Waxing Gibbous10Sun
11Mon11:236.310:587.44:44-0.64:471.76:517:33Waxing Gibbous11Mon
12Tue12:056.95:32-0.95:430.86:527:31Full Moon12Tue
13Wed12:447.36:15-0.86:340.16:537:30Full Moon13Wed
14Thu12:497.51:217.76:56-0.67:22-0.46:547:28Full Moon14Thu
15Fri1:387.41:567.97:34-0.28:08-0.76:567:26Full Moon15Fri
16Sat2:277.02:317.98:110.48:52-0.86:577:24Waning Gibbous16Sat
17Sun3:156.63:047.88:471.19:35-0.66:587:22Waning Gibbous17Sun
18Mon4:056.13:377.59:231.810:19-0.26:597:20Waning Gibbous18Mon
19Tue4:575.64:137.110:012.411:060.37:017:18Waning Gibbous19Tue
20Wed5:555.24:546.610:453.07:027:16Third Quarter20Wed
21Thu7:004.95:476.212:030.811:41 AM3.57:037:14Third Quarter21Thu
22Fri8:104.86:575.81:101.112:553.77:047:12Third Quarter22Fri
23Sat9:155.18:175.62:211.12:153.57:067:10Third Quarter23Sat
24Sun10:095.49:295.83:220.93:233.07:077:08Waning Crescent24Sun
25Mon10:535.910:286.04:110.74:192.47:087:06Waning Crescent25Mon
26Tue11:296.311:186.34:520.55:061.77:107:04Waning Crescent26Tue
27Wed12:006.75:280.45:491.07:117:02Waning Crescent27Wed
28Thu12:046.512:297.06:030.56:290.47:127:00New Moon28Thu
29Fri12:476.612:567.36:360.77:08-0.17:136:58New Moon29Fri
30Sat1:296.61:237.67:091.07:46-0.47:156:56New Moon30Sat
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 12:45 pm — 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 83% 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 (83% 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