Tides Today & Tomorrow in Columbia River entrance, WA

TIDE TIMES for Friday, July 31, 2026
The tide is currently rising in Columbia River entrance, WA.
Next low tide (tomorrow) : 8:58 am (-0.6 ft)
Next high tide (tomorrow) : in 5h 39m at 2:34 am (7.0 ft)
Sunset today : 8:48 pm
Sunrise tomorrow : 5:57 am
Moon phase : Waning Gibbous (95% illuminated)
Tide Station Location : Station #9440574
Common Questions About Tides

Columbia River entrance, WA Tides - Sep 1969

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:525.74:397.210:131.511:170.36:367:55Third Quarter1Mon
2Tue5:515.15:166.910:522.46:387:53Third Quarter2Tue
3Wed6:594.76:026.512:150.611:40 AM3.26:397:51Third Quarter3Wed
4Thu8:164.57:026.11:240.912:473.76:407:49Third Quarter4Thu
5Fri9:324.78:165.92:380.92:083.96:417:47Waning Crescent5Fri
6Sat10:335.19:286.03:440.73:223.66:437:45Waning Crescent6Sat
7Sun11:215.510:286.34:360.34:223.16:447:43Waning Crescent7Sun
8Mon12:005.95:190.05:122.66:457:42Waning Crescent8Mon
9Tue12:336.25:56-0.35:562.06:467:40Waning Crescent9Tue
10Wed12:036.71:036.46:29-0.46:361.46:487:38New Moon10Wed
11Thu12:446.81:306.77:00-0.37:140.96:497:36New Moon11Thu
12Fri1:236.81:556.97:30-0.17:510.56:507:34New Moon12Fri
13Sat2:036.62:197.27:580.28:270.16:517:32Waxing Crescent13Sat
14Sun2:456.42:447.58:270.79:04-0.26:537:30Waxing Crescent14Sun
15Mon3:296.13:127.78:571.39:43-0.26:547:28Waxing Crescent15Mon
16Tue4:195.63:467.89:301.910:29-0.16:557:26Waxing Crescent16Tue
17Wed5:185.14:287.710:102.611:280.16:577:24First Quarter17Wed
18Thu6:314.75:227.411:023.26:587:22First Quarter18Thu
19Fri7:564.66:347.012:460.312:203.76:597:20First Quarter19Fri
20Sat9:164.98:026.82:130.31:583.77:007:18First Quarter20Sat
21Sun10:205.59:276.93:27-0.13:223.17:027:16Waxing Gibbous21Sun
22Mon11:106.110:377.24:27-0.54:292.27:037:14Waxing Gibbous22Mon
23Tue11:526.711:377.45:16-0.75:261.37:047:12Waxing Gibbous23Tue
24Wed12:317.26:00-0.86:170.47:057:10Full Moon24Wed
25Thu12:317.51:067.66:40-0.67:05-0.27:077:08Full Moon25Thu
26Fri1:217.31:407.87:17-0.17:50-0.67:087:06Full Moon26Fri
27Sat2:097.02:127.97:530.58:33-0.87:097:04Waning Gibbous27Sat
28Sun2:576.72:437.88:281.29:14-0.77:117:02Waning Gibbous28Sun
29Mon3:456.23:147.69:021.99:56-0.47:127:00Waning Gibbous29Mon
30Tue4:365.83:457.39:382.610:390.17:136:58Waning Gibbous30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9440574)

Common Questions About Columbia River entrance, WA Tides

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

Slack tide in Columbia River entrance, WA is approximately 5:46 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 95% 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 (95% 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