Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Portland, ME.
Next low tide : 8:27 pm (0.6 ft)
Next high tide : in 1h 01m at 2:25 pm (9.4 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 5:31 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8418150
Common Questions About Tides

Portland, ME Tides - May 2086

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:0210.01:408.87:24-0.17:291.05:327:43Waning Gibbous1Wed
2Thu1:3910.02:198.88:03-0.18:101.05:307:45Waning Gibbous2Thu
3Fri2:209.93:028.78:460.08:551.15:297:46Waning Gibbous3Fri
4Sat3:069.93:518.79:330.09:471.15:287:47Third Quarter4Sat
5Sun3:589.74:458.810:250.110:431.15:267:48Third Quarter5Sun
6Mon4:569.65:429.111:200.111:440.95:257:49Third Quarter6Mon
7Tue5:579.66:419.412:180.15:247:50Third Quarter7Tue
8Wed7:029.67:419.912:490.61:180.05:237:52Waning Crescent8Wed
9Thu8:089.78:3910.51:540.12:18-0.15:217:53Waning Crescent9Thu
10Fri9:109.99:3311.02:57-0.53:15-0.35:207:54Waning Crescent10Fri
11Sat10:0810.110:2611.43:55-1.04:09-0.45:197:55New Moon11Sat
12Sun11:0410.211:1711.54:49-1.45:01-0.55:187:56New Moon12Sun
13Mon11:5810.25:42-1.65:52-0.45:177:57New Moon13Mon
14Tue12:0811.512:5010.16:34-1.66:43-0.25:167:58New Moon14Tue
15Wed12:5811.31:419.97:24-1.37:330.15:157:59Waxing Crescent15Wed
16Thu1:4810.92:329.68:14-0.98:240.55:148:00Waxing Crescent16Thu
17Fri2:3910.43:249.29:05-0.49:180.95:138:02Waxing Crescent17Fri
18Sat3:329.94:189.09:580.110:141.35:128:03First Quarter18Sat
19Sun4:279.45:128.810:510.511:121.55:118:04First Quarter19Sun
20Mon5:238.96:058.711:430.95:108:05First Quarter20Mon
21Tue6:208.66:588.712:101.712:361.25:098:06First Quarter21Tue
22Wed7:188.37:498.91:101.61:281.45:088:07Waxing Gibbous22Wed
23Thu8:148.38:379.12:071.52:181.55:078:08Waxing Gibbous23Thu
24Fri9:068.39:229.32:591.23:051.45:068:09Waxing Gibbous24Fri
25Sat9:548.410:039.63:450.93:471.45:068:10Waxing Gibbous25Sat
26Sun10:388.510:429.84:270.64:261.35:058:10Full Moon26Sun
27Mon11:198.611:2010.05:060.35:051.25:048:11Full Moon27Mon
28Tue12:008.85:450.15:441.15:048:12Full Moon28Tue
29Wed12:408.96:23-0.16:241.05:038:13Full Moon29Wed
30Thu12:3810.31:209.07:03-0.37:060.95:038:14Waning Gibbous30Thu
31Fri1:1910.42:019.17:44-0.47:510.85:028:15Waning Gibbous31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8418150)

Common Questions About Portland, ME Tides

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

Slack tide in Portland, ME is approximately 5:26 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, ME?

Portland, ME is currently in a spring phase. Tonight's moon is 84% 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, ME 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, ME?

Tide predictions for Portland, ME 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, ME?

Tide data for Portland, ME is sourced from NOAA Station #8418150. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8418150.

What is the moon phase in Portland, ME tonight?

Tonight the moon over Portland, ME is Waning Gibbous (84% illuminated). This places Portland, ME 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