Tides Today & Tomorrow in Astoria (Port Docks), OR

TIDE TIMES for Friday, August 21, 2026
The tide is currently rising in Astoria (Port Docks), OR.
Next low tide (tomorrow) : 4:13 am (0.7 ft)
Next high tide : in 4h 27m at 8:18 pm (6.7 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:22 am
Moon phase : First Quarter (66% illuminated)
Tide Station Location : Station #9439023
Common Questions About Tides

Astoria (Port Docks), OR Tides - Sep 1920

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:297.22:407.98:400.29:160.05:356:54Waning Gibbous1Wed
2Thu3:146.83:138.09:140.69:590.05:376:52Waning Gibbous2Thu
3Fri4:046.43:528.19:511.210:490.05:386:50Waning Gibbous3Fri
4Sat5:035.94:397.910:361.711:510.25:396:49Third Quarter4Sat
5Sun6:135.65:377.711:342.35:406:47Third Quarter5Sun
6Mon7:315.56:497.51:060.312:502.75:426:45Third Quarter6Mon
7Tue8:475.78:097.52:240.12:152.65:436:43Waning Crescent7Tue
8Wed9:516.29:237.63:33-0.23:302.15:446:41Waning Crescent8Wed
9Thu10:456.810:287.94:31-0.64:341.55:456:39Waning Crescent9Thu
10Fri11:327.411:258.15:22-0.95:310.85:476:37Waning Crescent10Fri
11Sat12:147.86:07-0.96:230.25:486:35New Moon11Sat
12Sun12:188.112:548.16:50-0.87:11-0.35:496:33New Moon12Sun
13Mon1:078.01:318.27:30-0.57:57-0.55:506:31New Moon13Mon
14Tue1:547.72:078.28:080.08:41-0.65:526:29Waxing Crescent14Tue
15Wed2:417.32:418.18:440.69:23-0.45:536:27Waxing Crescent15Wed
16Thu3:286.83:157.89:201.210:05-0.15:546:25Waxing Crescent16Thu
17Fri4:176.33:517.59:571.810:490.35:566:23Waxing Crescent17Fri
18Sat5:105.94:307.110:392.411:400.75:576:21First Quarter18Sat
19Sun6:115.55:196.711:302.95:586:19First Quarter19Sun
20Mon7:185.46:216.312:421.012:363.25:596:17First Quarter20Mon
21Tue8:255.57:346.21:511.11:523.26:016:15First Quarter21Tue
22Wed9:245.88:466.32:551.03:012.86:026:13Waxing Gibbous22Wed
23Thu10:126.29:476.53:490.73:592.36:036:11Waxing Gibbous23Thu
24Fri10:536.710:396.84:340.54:501.66:046:09Waxing Gibbous24Fri
25Sat11:287.111:267.15:140.35:351.06:066:07Waxing Gibbous25Sat
26Sun12:007.45:520.26:170.46:076:05Full Moon26Sun
27Mon12:117.312:307.76:270.36:570.06:086:03Full Moon27Mon
28Tue12:547.41:008.07:030.57:37-0.46:106:02Full Moon28Tue
29Wed1:377.41:318.37:380.78:17-0.76:116:00Full Moon29Wed
30Thu2:227.22:048.58:151.18:59-0.86:125:58Waning Gibbous30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9439023)

Common Questions About Astoria (Port Docks), OR Tides

Show All
What time does the tide turn (slack tide) in Astoria (Port Docks), OR today?

Slack tide in Astoria (Port Docks), OR is approximately 12:15 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 Astoria (Port Docks), OR?

Astoria (Port Docks), OR is currently in a transitional phase. Tonight's moon is 66% 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 shifting between spring and neap.

What datum are Astoria (Port Docks), OR 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 Astoria (Port Docks), OR?

Tide predictions for Astoria (Port Docks), OR 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 Astoria (Port Docks), OR?

Tide data for Astoria (Port Docks), OR is sourced from NOAA Station #9439023. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9439023.

What is the moon phase in Astoria (Port Docks), OR tonight?

Tonight the moon over Astoria (Port Docks), OR is First Quarter (66% illuminated). This places Astoria (Port Docks), OR in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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