Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently rising in Portland, ME.
Next low tide (tomorrow) : 1:40 am (0.9 ft)
Next high tide : in 57m at 7:16 pm (9.5 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 - Sep 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:048.49:179.42:540.83:031.46:057:15Waxing Gibbous1Mon
2Tue9:538.610:049.53:440.73:521.26:067:14Waxing Gibbous2Tue
3Wed10:378.810:479.74:280.54:351.06:077:12Waxing Gibbous3Wed
4Thu11:179.011:269.85:070.45:140.96:087:10Full Moon4Thu
5Fri11:549.25:430.35:510.76:107:08Full Moon5Fri
6Sat12:049.812:299.36:160.26:260.66:117:06Full Moon6Sat
7Sun12:399.81:029.46:480.27:010.56:127:05Full Moon7Sun
8Mon1:149.71:349.57:200.37:380.46:137:03Waning Gibbous8Mon
9Tue1:499.52:079.67:550.48:160.46:147:01Waning Gibbous9Tue
10Wed2:279.32:449.68:320.58:590.46:156:59Waning Gibbous10Wed
11Thu3:099.13:279.79:140.69:460.46:166:57Third Quarter11Thu
12Fri3:578.94:159.710:020.810:390.46:176:56Third Quarter12Fri
13Sat4:528.75:119.710:550.911:370.46:196:54Third Quarter13Sat
14Sun5:518.76:119.811:530.96:206:52Third Quarter14Sun
15Mon6:568.87:1710.012:390.312:560.86:216:50Waning Crescent15Mon
16Tue8:039.18:2310.41:450.02:020.56:226:48Waning Crescent16Tue
17Wed9:059.59:2410.82:49-0.43:060.06:236:46Waning Crescent17Wed
18Thu10:0210.110:2211.23:47-0.84:04-0.56:246:45New Moon18Thu
19Fri10:5510.611:1711.44:40-1.25:00-1.06:256:43New Moon19Fri
20Sat11:4611.05:31-1.45:53-1.36:266:41New Moon20Sat
21Sun12:1011.412:3611.16:21-1.36:45-1.36:286:39New Moon21Sun
22Mon1:0111.11:2411.17:09-1.17:36-1.26:296:37Waxing Crescent22Mon
23Tue1:5210.72:1210.87:57-0.78:28-0.86:306:35Waxing Crescent23Tue
24Wed2:4410.13:0210.48:47-0.19:21-0.46:316:34Waxing Crescent24Wed
25Thu3:399.53:559.99:390.510:180.26:326:32First Quarter25Thu
26Fri4:369.04:519.510:341.111:170.66:336:30First Quarter26Fri
27Sat5:358.65:509.111:321.56:346:28First Quarter27Sat
28Sun6:358.36:508.912:170.912:331.76:356:26First Quarter28Sun
29Mon7:348.27:498.91:191.11:341.86:376:24Waxing Gibbous29Mon
30Tue8:308.48:449.02:171.12:321.66:386:23Waxing Gibbous30Tue
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 10:28 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 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