Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Portland, ME.
Next low tide : 9:38 pm (1.2 ft)
Next high tide : in 3h 53m at 3:39 pm (9.0 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:05 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8418150
Common Questions About Tides

Portland, ME Tides - Feb 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:2210.811:579.85:07-0.45:43-1.26:574:51Full Moon1Mon
2Tue12:0910.65:54-0.36:27-1.06:564:52Waning Gibbous2Tue
3Wed12:419.712:5310.26:40-0.17:09-0.66:554:54Waning Gibbous3Wed
4Thu1:249.51:379.87:240.17:51-0.26:544:55Waning Gibbous4Thu
5Fri2:069.32:229.28:100.48:330.36:534:56Waning Gibbous5Fri
6Sat2:519.03:118.78:580.89:180.86:514:58Third Quarter6Sat
7Sun3:378.84:028.29:491.010:051.26:504:59Third Quarter7Sun
8Mon4:268.64:577.810:431.310:551.56:495:01Third Quarter8Mon
9Tue5:188.55:567.611:401.411:501.76:475:02Third Quarter9Tue
10Wed6:148.56:567.612:411.36:465:03Waning Crescent10Wed
11Thu7:108.67:527.812:481.71:391.16:455:05Waning Crescent11Thu
12Fri8:028.98:428.11:431.62:290.76:435:06Waning Crescent12Fri
13Sat8:499.39:278.42:321.23:130.36:425:07Waning Crescent13Sat
14Sun9:339.710:088.83:160.83:54-0.26:415:09New Moon14Sun
15Mon10:1510.110:489.33:590.44:34-0.66:395:10New Moon15Mon
16Tue10:5710.511:289.74:410.05:14-0.96:385:11New Moon16Tue
17Wed11:3910.75:25-0.45:54-1.16:365:13New Moon17Wed
18Thu12:0810.012:2210.76:09-0.76:36-1.26:355:14Waxing Crescent18Thu
19Fri12:5010.31:0810.66:55-0.97:20-1.16:335:15Waxing Crescent19Fri
20Sat1:3510.41:5710.37:45-0.98:08-0.96:325:17Waxing Crescent20Sat
21Sun2:2310.32:529.88:38-0.79:00-0.56:305:18First Quarter21Sun
22Mon3:1810.23:529.39:37-0.59:570.06:295:19First Quarter22Mon
23Tue4:1710.04:578.910:40-0.210:580.46:275:21First Quarter23Tue
24Wed5:219.86:088.711:48-0.16:255:22First Quarter24Wed
25Thu6:309.87:188.712:060.612:59-0.16:245:23Waxing Gibbous25Thu
26Fri7:379.98:228.91:160.62:06-0.36:225:25Waxing Gibbous26Fri
27Sat8:3810.19:189.22:200.43:03-0.56:215:26Waxing Gibbous27Sat
28Sun9:3310.310:089.53:160.13:55-0.76:195:27Full Moon28Sun
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 6:38 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 72% 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 Waning Gibbous (72% 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