Tides Today & Tomorrow in Portland, OR

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Portland, OR.
Next low tide : in 1h 18m at 3:41 am (0.8 ft)
Next high tide : 8:16 am (2.8 ft)
Sunset today : 9:02 pm
Sunrise tomorrow : 5:27 am
Moon phase : Waning Gibbous (80% illuminated)
Tide Station Location : Station #9439221
Common Questions About Tides

Portland, OR Tides - Jan 2003

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed3:341.93:213.79:370.47:504:37New Moon1Wed
2Thu4:232.04:053.612:35-0.110:54 AM0.57:504:38New Moon2Thu
3Fri5:102.04:493.51:21-0.111:59 AM0.67:504:39New Moon3Fri
4Sat5:562.05:323.32:05-0.112:530.77:504:40Waxing Crescent4Sat
5Sun6:412.06:153.12:460.11:400.87:504:41Waxing Crescent5Sun
6Mon7:282.07:002.93:240.22:240.97:504:42Waxing Crescent6Mon
7Tue8:162.17:482.63:590.43:070.97:504:43Waxing Crescent7Tue
8Wed9:072.18:432.44:270.53:531.07:494:44First Quarter8Wed
9Thu9:592.39:482.14:460.64:511.17:494:46First Quarter9Thu
10Fri10:492.411:061.95:000.66:361.17:494:47First Quarter10Fri
11Sat11:362.65:270.68:190.97:484:48First Quarter11Sat
12Sun12:291.812:222.86:050.69:260.77:484:49Waxing Gibbous12Sun
13Mon1:411.81:063.06:500.610:200.47:474:50Waxing Gibbous13Mon
14Tue2:361.81:503.27:380.611:080.27:474:52Waxing Gibbous14Tue
15Wed3:201.82:333.38:300.711:520.17:464:53Waxing Gibbous15Wed
16Thu3:581.83:163.49:300.77:464:54Full Moon16Thu
17Fri4:331.93:593.512:330.010:40 AM0.87:454:55Full Moon17Fri
18Sat5:071.94:433.61:110.011:45 AM0.87:444:57Full Moon18Sat
19Sun5:432.05:273.61:470.012:400.87:444:58Full Moon19Sun
20Mon6:212.16:123.52:210.01:290.87:434:59Waning Gibbous20Mon
21Tue7:032.26:593.32:530.02:170.87:425:01Waning Gibbous21Tue
22Wed7:482.47:493.03:230.13:080.97:415:02Waning Gibbous22Wed
23Thu8:372.68:452.73:520.14:061.07:415:04Third Quarter23Thu
24Fri9:302.89:482.34:210.25:281.07:405:05Third Quarter24Fri
25Sat10:263.011:002.04:520.27:131.07:395:06Third Quarter25Sat
26Sun11:233.15:280.28:390.77:385:08Third Quarter26Sun
27Mon12:151.812:203.36:100.39:450.47:375:09Waning Crescent27Mon
28Tue1:271.81:153.36:580.410:410.27:365:11Waning Crescent28Tue
29Wed2:301.82:083.37:570.511:310.07:355:12Waning Crescent29Wed
30Thu3:241.92:593.39:300.67:335:14New Moon30Thu
31Fri4:122.03:463.212:170.010:59 AM0.77:325:15New Moon31Fri
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 5:58 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 spring phase. Tonight's moon is 80% 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 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 Waning Gibbous (80% illuminated). This places Portland, OR 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