Tides Today & Tomorrow in Portland, OR

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in Portland, OR.
Next low tide : in 7h 31m at 8:47 am (0.8 ft)
Next high tide : 12:38 pm (1.6 ft)
Sunset today : 8:50 pm
Sunrise tomorrow : 5:43 am
Moon phase : First Quarter (63% illuminated)
Tide Station Location : Station #9439221
Common Questions About Tides

Portland, OR Tides - Nov 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:112.72:182.79:390.110:020.66:494:58Waning Crescent1Tue
2Wed2:142.72:583.110:190.011:040.46:514:57Waning Crescent2Wed
3Thu3:092.63:373.310:560.16:524:55New Moon3Thu
4Fri3:582.54:143.512:000.211:31 AM0.16:544:54New Moon4Fri
5Sat4:442.44:513.612:510.112:040.26:554:53New Moon5Sat
6Sun5:292.25:273.61:410.112:330.46:564:51Waxing Crescent6Sun
7Mon6:152.16:043.52:290.21:000.56:584:50Waxing Crescent7Mon
8Tue7:021.96:413.43:170.31:300.66:594:49Waxing Crescent8Tue
9Wed7:561.77:223.24:070.42:070.87:014:47Waxing Crescent9Wed
10Thu9:041.68:062.95:010.52:510.97:024:46First Quarter10Thu
11Fri11:571.78:592.65:590.63:411.07:034:45First Quarter11Fri
12Sat12:471.96:550.64:401.17:054:44First Quarter12Sat
13Sun1:272.17:430.65:521.17:064:43First Quarter13Sun
14Mon1:572.38:220.57:371.07:084:42Waxing Gibbous14Mon
15Tue12:392.32:122.58:540.59:080.87:094:41Waxing Gibbous15Tue
16Wed1:442.32:312.89:200.410:120.67:104:40Waxing Gibbous16Wed
17Thu2:352.32:563.09:460.411:060.57:124:39Waxing Gibbous17Thu
18Fri3:192.33:273.310:130.411:560.37:134:38Full Moon18Fri
19Sat4:002.33:593.610:440.47:144:37Full Moon19Sat
20Sun4:402.24:353.812:430.211:20 AM0.57:164:36Full Moon20Sun
21Mon5:202.15:123.91:290.211:59 AM0.57:174:35Full Moon21Mon
22Tue6:011.95:523.92:130.212:400.67:184:34Waning Gibbous22Tue
23Wed6:451.86:353.92:590.21:240.77:204:33Waning Gibbous23Wed
24Thu7:351.77:223.73:460.32:110.87:214:33Waning Gibbous24Thu
25Fri8:311.78:153.44:360.33:020.97:224:32Third Quarter25Fri
26Sat9:381.79:163.05:300.44:031.07:244:31Third Quarter26Sat
27Sun10:511.910:262.76:250.35:261.17:254:31Third Quarter27Sun
28Mon12:002.27:170.37:211.07:264:30Third Quarter28Mon
29Tue12:562.68:040.38:510.87:274:30Waning Crescent29Tue
30Wed12:552.31:432.98:470.210:000.57:284:29Waning Crescent30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9439221)

Common Questions About Portland, OR Tides

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What time does the tide turn (slack tide) in Portland, OR today?

Slack tide in Portland, OR is approximately 10:42 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 Portland, OR?

Portland, OR is currently in a transitional phase. Tonight's moon is 63% 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 Portland, 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 Portland, OR?

Tide predictions for Portland, 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 Portland, OR?

Tide data for Portland, OR is sourced from NOAA Station #9439221. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9439221.

What is the moon phase in Portland, OR tonight?

Tonight the moon over Portland, OR is First Quarter (63% illuminated). This places Portland, 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