Tides Today & Tomorrow in Portland, OR

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Portland, OR.
Next low tide (tomorrow) : 4:25 am (0.8 ft)
Next high tide : in 1h 19m at 9:19 pm (2.5 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 - Sep 2001

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:172.95:352.51:120.06:327:48Full Moon1Sat
2Sun5:022.96:022.612:330.71:420.16:337:46Full Moon2Sun
3Mon5:442.96:302.81:180.62:070.26:357:44Full Moon3Mon
4Tue6:242.87:002.92:000.62:270.26:367:42Full Moon4Tue
5Wed7:042.77:323.02:410.62:440.36:377:40Waning Gibbous5Wed
6Thu7:442.58:063.23:220.63:040.36:387:39Waning Gibbous6Thu
7Fri8:262.38:443.34:040.73:300.46:397:37Waning Gibbous7Fri
8Sat9:132.09:263.34:530.84:020.56:417:35Waning Gibbous8Sat
9Sun10:101.710:143.36:010.94:390.66:427:33Third Quarter9Sun
10Mon11:221.511:093.27:430.85:230.76:437:31Third Quarter10Mon
11Tue12:471.49:080.66:160.96:447:29Third Quarter11Tue
12Wed12:123.22:091.510:070.47:201.06:457:27Waning Crescent12Wed
13Thu1:183.13:091.810:550.28:471.06:477:25Waning Crescent13Thu
14Fri2:243.23:542.111:380.010:390.96:487:23Waning Crescent14Fri
15Sat3:263.24:352.412:18-0.26:497:21Waning Crescent15Sat
16Sun4:213.25:152.812:57-0.26:507:19New Moon16Sun
17Mon5:123.25:543.012:560.51:33-0.26:527:17New Moon17Mon
18Tue6:003.16:343.21:510.32:07-0.26:537:16New Moon18Tue
19Wed6:472.87:133.42:440.32:39-0.16:547:14Waxing Crescent19Wed
20Thu7:342.57:533.43:360.33:070.16:557:12Waxing Crescent20Thu
21Fri8:232.28:353.34:310.43:320.36:567:10Waxing Crescent21Fri
22Sat9:181.99:183.25:330.63:570.46:587:08First Quarter22Sat
23Sun10:271.710:053.06:440.64:290.66:597:06First Quarter23Sun
24Mon12:141.68:000.65:110.87:007:04First Quarter24Mon
25Tue2:101.79:050.56:041.07:017:02First Quarter25Tue
26Wed3:022.09:590.37:111.17:037:00Waxing Gibbous26Wed
27Thu1:072.53:422.210:440.28:531.17:046:58Waxing Gibbous27Thu
28Fri2:142.54:142.411:230.110:300.97:056:56Waxing Gibbous28Fri
29Sat3:132.64:392.511:580.111:300.77:066:54Waxing Gibbous29Sat
30Sun4:032.75:022.712:280.27:086:52Full Moon30Sun
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 12:52 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