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 3h 56m at 4:24 pm (0.3 ft)
Next high tide : 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 - Mar 2002

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:172.86:313.02:00-0.12:160.46:485:57Waning Gibbous1Fri
2Sat7:003.07:212.72:320.03:100.56:465:58Waning Gibbous2Sat
3Sun7:463.18:162.43:020.04:090.66:446:00Waning Gibbous3Sun
4Mon8:343.19:182.13:320.15:190.76:436:01Third Quarter4Mon
5Tue9:243.010:311.94:020.36:400.86:416:03Third Quarter5Tue
6Wed10:182.911:521.84:370.47:560.76:396:04Third Quarter6Wed
7Thu11:152.85:190.68:590.56:376:05Third Quarter7Thu
8Fri1:071.912:142.76:100.79:520.46:356:07Waning Crescent8Fri
9Sat2:062.01:142.67:120.810:390.36:336:08Waning Crescent9Sat
10Sun2:532.12:112.78:540.811:220.36:326:09Waning Crescent10Sun
11Mon3:322.33:022.710:200.76:306:11Waning Crescent11Mon
12Tue4:062.43:492.812:000.311:18 AM0.66:286:12New Moon12Tue
13Wed4:372.54:332.812:330.312:070.66:266:13New Moon13Wed
14Thu5:082.65:152.71:010.412:510.56:246:15New Moon14Thu
15Fri5:402.75:572.61:240.41:330.56:226:16New Moon15Fri
16Sat6:132.96:382.51:430.52:130.56:206:17Waxing Crescent16Sat
17Sun6:483.07:212.32:030.52:550.66:186:19Waxing Crescent17Sun
18Mon7:253.18:082.12:280.53:390.76:166:20Waxing Crescent18Mon
19Tue8:073.19:021.93:000.54:320.86:156:21Waxing Crescent19Tue
20Wed8:533.110:051.73:360.65:490.96:136:23First Quarter20Wed
21Thu9:453.111:171.64:180.67:210.86:116:24First Quarter21Thu
22Fri10:443.05:060.78:310.76:096:25First Quarter22Fri
23Sat12:271.711:49 AM3.06:000.89:260.56:076:26First Quarter23Sat
24Sun1:261.812:563.07:030.810:130.46:056:28Waxing Gibbous24Sun
25Mon2:162.01:593.18:340.810:560.26:036:29Waxing Gibbous25Mon
26Tue3:012.32:573.110:160.711:360.16:016:30Waxing Gibbous26Tue
27Wed3:432.63:513.111:280.55:596:32Full Moon27Wed
28Thu4:252.84:413.012:130.112:270.35:576:33Full Moon28Thu
29Fri5:073.15:302.812:490.11:220.25:566:34Full Moon29Fri
30Sat5:483.36:182.61:240.12:150.25:546:36Waning Gibbous30Sat
31Sun6:303.37:092.41:560.13:080.35:526:37Waning Gibbous31Sun
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 6:51 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