Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Monday, August 3, 2026
The tide is currently falling in Portland, ME.
Next low tide : in 58m at 8:48 am (0.1 ft)
Next high tide : 3:03 pm (9.6 ft)
Sunset today : 8:01 pm
Sunrise tomorrow : 5:32 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #8418150
Common Questions About Tides

Portland, ME Tides - Feb 2088

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:069.95:488.711:330.011:490.46:564:51First Quarter1Sun
2Mon6:1210.06:588.712:42-0.16:554:53Waxing Gibbous2Mon
3Tue7:2010.28:059.012:560.31:49-0.56:544:54Waxing Gibbous3Tue
4Wed8:2310.59:059.42:020.12:50-0.96:534:55Waxing Gibbous4Wed
5Thu9:2110.910:009.83:02-0.33:45-1.36:524:57Full Moon5Thu
6Fri10:1511.110:5110.13:58-0.64:36-1.56:514:58Full Moon6Fri
7Sat11:0711.111:3910.34:50-0.85:24-1.56:495:00Full Moon7Sat
8Sun11:5510.95:40-0.96:10-1.36:485:01Waning Gibbous8Sun
9Mon12:2410.312:4210.56:28-0.86:53-0.96:475:02Waning Gibbous9Mon
10Tue1:0810.11:2810.07:14-0.57:37-0.56:455:04Waning Gibbous10Tue
11Wed1:529.92:159.48:02-0.18:210.16:445:05Waning Gibbous11Wed
12Thu2:389.53:048.88:510.39:070.66:435:06Third Quarter12Thu
13Fri3:269.13:578.39:430.79:561.16:415:08Third Quarter13Fri
14Sat4:178.84:537.910:381.110:491.56:405:09Third Quarter14Sat
15Sun5:118.65:527.611:381.311:461.86:385:10Third Quarter15Sun
16Mon6:098.56:537.612:401.36:375:12Waning Crescent16Mon
17Tue7:088.67:507.812:471.81:381.16:355:13Waning Crescent17Tue
18Wed8:018.98:398.11:441.62:280.86:345:15Waning Crescent18Wed
19Thu8:499.29:238.52:331.23:110.46:325:16Waning Crescent19Thu
20Fri9:319.510:038.93:160.93:490.16:315:17New Moon20Fri
21Sat10:129.810:409.33:570.44:26-0.36:295:19New Moon21Sat
22Sun10:5110.111:169.64:360.05:02-0.56:285:20New Moon22Sun
23Mon11:3010.211:5310.05:16-0.35:39-0.76:265:21New Moon23Mon
24Tue12:1010.35:57-0.66:18-0.86:255:22Waxing Crescent24Tue
25Wed12:3110.212:5210.26:40-0.86:59-0.86:235:24Waxing Crescent25Wed
26Thu1:1210.41:379.97:25-0.87:44-0.66:215:25Waxing Crescent26Thu
27Fri1:5710.42:289.68:16-0.78:33-0.36:205:26Waxing Crescent27Fri
28Sat2:4910.23:259.29:11-0.59:280.16:185:28First Quarter28Sat
29Sun3:4610.04:288.810:12-0.210:290.46:165:29First Quarter29Sun
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 11:55 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 75% 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 (75% 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