Tides Today & Tomorrow in Portland, OR

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Portland, OR.
Next low tide : 4:24 pm (0.3 ft)
Next high tide : in 1h 47m at 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 - Sep 2002

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:291.59:580.56:581.06:327:48Third Quarter1Sun
2Mon12:513.04:041.710:480.38:031.16:337:47Waning Crescent2Mon
3Tue1:543.04:101.811:300.19:271.16:347:45Waning Crescent3Tue
4Wed2:553.14:332.112:09-0.16:357:43Waning Crescent4Wed
5Thu3:513.25:042.312:46-0.26:377:41New Moon5Thu
6Fri4:423.35:382.612:130.81:21-0.26:387:39New Moon6Fri
7Sat5:313.36:152.91:100.61:54-0.26:397:37New Moon7Sat
8Sun6:173.26:543.22:040.52:25-0.26:407:35Waxing Crescent8Sun
9Mon7:042.97:343.42:550.42:54-0.16:427:33Waxing Crescent9Mon
10Tue7:522.68:173.53:480.53:210.06:437:31Waxing Crescent10Tue
11Wed8:432.29:023.54:460.53:480.16:447:30Waxing Crescent11Wed
12Thu9:411.99:503.45:540.64:180.36:457:28First Quarter12Thu
13Fri10:521.610:423.27:150.64:550.56:467:26First Quarter13Fri
14Sat12:271.58:340.55:410.76:487:24First Quarter14Sat
15Sun2:181.79:380.36:410.96:497:22Waxing Gibbous15Sun
16Mon12:442.83:181.910:310.18:131.06:507:20Waxing Gibbous16Mon
17Tue1:492.74:002.111:160.010:141.06:517:18Waxing Gibbous17Tue
18Wed2:512.74:332.411:570.011:220.86:537:16Waxing Gibbous18Wed
19Thu3:462.75:022.512:340.06:547:14Full Moon19Thu
20Fri4:332.75:292.712:140.71:070.16:557:12Full Moon20Fri
21Sat5:162.85:572.91:000.61:330.26:567:10Full Moon21Sat
22Sun5:572.76:263.01:420.51:530.36:577:08Full Moon22Sun
23Mon6:372.66:563.22:230.52:070.46:597:06Waning Gibbous23Mon
24Tue7:172.47:283.33:020.52:230.47:007:04Waning Gibbous24Tue
25Wed7:582.28:023.43:420.62:470.57:017:02Waning Gibbous25Wed
26Thu8:421.98:403.44:270.73:200.67:027:01Waning Gibbous26Thu
27Fri9:321.69:223.35:220.83:590.77:046:59Third Quarter27Fri
28Sat10:391.410:113.26:440.84:440.87:056:57Third Quarter28Sat
29Sun2:411.48:150.75:361.07:066:55Third Quarter29Sun
30Mon3:251.69:200.56:381.17:076:53Third Quarter30Mon
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 12:20 pm — 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