Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in Portland, ME.
Next low tide (tomorrow) : in 3h 20m at 1:40 am (0.9 ft)
Next high tide (tomorrow) : 7:49 am (8.4 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:00 am
Moon phase : First Quarter (67% illuminated)
Tide Station Location : Station #8418150
Common Questions About Tides

Portland, ME Tides - Dec 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon8:589.99:279.12:410.73:150.06:554:05Waxing Gibbous1Mon
2Tue9:3710.310:119.43:220.43:57-0.56:564:04Full Moon2Tue
3Wed10:1810.610:559.54:040.24:40-0.86:574:04Full Moon3Wed
4Thu11:0110.911:409.74:480.05:25-1.16:584:04Full Moon4Thu
5Fri11:4711.15:33-0.16:11-1.36:594:04Waning Gibbous5Fri
6Sat12:279.712:3511.06:21-0.17:00-1.27:004:04Waning Gibbous6Sat
7Sun1:179.71:2610.97:130.07:52-1.17:014:04Waning Gibbous7Sun
8Mon2:119.62:2310.58:080.18:48-0.87:024:04Third Quarter8Mon
9Tue3:109.63:2510.29:090.39:47-0.57:034:04Third Quarter9Tue
10Wed4:119.64:309.810:140.410:48-0.37:044:04Third Quarter10Wed
11Thu5:149.65:379.511:210.411:51-0.17:044:04Third Quarter11Thu
12Fri6:169.86:459.412:300.27:054:04Waning Crescent12Fri
13Sat7:1610.07:489.412:540.11:35-0.17:064:04Waning Crescent13Sat
14Sun8:1210.38:469.41:530.12:34-0.47:074:04Waning Crescent14Sun
15Mon9:0310.59:389.42:460.13:26-0.77:074:04Waning Crescent15Mon
16Tue9:5010.610:279.43:350.24:14-0.87:084:05New Moon16Tue
17Wed10:3510.511:139.34:210.34:59-0.87:094:05New Moon17Wed
18Thu11:1710.411:569.25:040.45:42-0.77:094:05New Moon18Thu
19Fri11:5810.25:460.66:22-0.47:104:06Waxing Crescent19Fri
20Sat12:369.012:389.96:260.87:01-0.27:114:06Waxing Crescent20Sat
21Sun1:178.81:189.67:071.07:400.17:114:07Waxing Crescent21Sun
22Mon1:588.62:009.37:491.28:210.47:114:07Waxing Crescent22Mon
23Tue2:418.52:458.98:341.49:040.77:124:08Waxing Crescent23Tue
24Wed3:278.43:338.69:231.69:490.97:124:09First Quarter24Wed
25Thu4:148.44:258.310:141.610:361.17:134:09First Quarter25Thu
26Fri5:018.55:188.211:071.611:251.27:134:10First Quarter26Fri
27Sat5:518.66:148.112:031.47:134:11First Quarter27Sat
28Sun6:418.97:118.212:161.212:591.07:134:11Waxing Gibbous28Sun
29Mon7:309.48:048.51:091.01:520.57:144:12Waxing Gibbous29Mon
30Tue8:189.98:548.81:590.72:41-0.17:144:13Waxing Gibbous30Tue
31Wed9:0510.42:480.43:29-0.67:144:14Full Moon31Wed
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 4:44 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, ME?

Portland, ME is currently in a transitional phase. Tonight's moon is 67% 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 shifting between spring and neap.

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 First Quarter (67% illuminated). This places Portland, ME in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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