Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Thursday, July 9, 2026
The tide is currently falling in Portland, ME.
Next low tide (tomorrow) : in 6h 21m at 1:18 am (0.3 ft)
Next high tide (tomorrow) : 7:28 am (8.6 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:08 am
Moon phase : Waning Crescent (30% illuminated)
Tide Station Location : Station #8418150
Common Questions About Tides

Portland, ME Tides - Jun 2058

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:078.57:428.912:561.81:181.25:028:15Waxing Gibbous1Sat
2Sun8:028.68:299.31:521.42:071.05:018:16Waxing Gibbous2Sun
3Mon8:558.89:149.92:440.92:550.85:018:17Waxing Gibbous3Mon
4Tue9:459.09:5810.43:340.33:420.65:008:18Waxing Gibbous4Tue
5Wed10:349.310:4310.94:22-0.34:280.45:008:18Full Moon5Wed
6Thu11:249.511:3011.25:10-0.85:160.25:008:19Full Moon6Thu
7Fri12:159.75:59-1.26:060.14:598:20Full Moon7Fri
8Sat12:2011.41:069.76:49-1.46:580.04:598:20Waning Gibbous8Sat
9Sun1:1211.41:599.77:41-1.47:510.14:598:21Waning Gibbous9Sun
10Mon2:0611.32:559.78:36-1.28:480.34:598:22Waning Gibbous10Mon
11Tue3:0410.93:559.69:33-1.09:500.54:598:22Waning Gibbous11Tue
12Wed4:0510.54:569.610:32-0.610:550.64:588:23Third Quarter12Wed
13Thu5:1010.15:579.711:32-0.34:588:23Third Quarter13Thu
14Fri6:159.76:579.812:010.712:310.04:588:24Third Quarter14Fri
15Sat7:209.37:559.91:080.61:310.34:588:24Waning Crescent15Sat
16Sun8:249.18:4910.02:130.52:290.64:588:24Waning Crescent16Sun
17Mon9:229.09:3910.13:120.23:220.84:588:25Waning Crescent17Mon
18Tue10:158.910:2610.24:050.04:100.94:598:25Waning Crescent18Tue
19Wed11:048.911:0910.24:53-0.14:551.14:598:25New Moon19Wed
20Thu11:508.811:5110.15:38-0.15:371.24:598:26New Moon20Thu
21Fri12:328.76:19-0.16:181.34:598:26New Moon21Fri
22Sat12:3110.01:138.66:590.06:571.44:598:26New Moon22Sat
23Sun1:099.81:518.67:360.27:361.55:008:26Waxing Crescent23Sun
24Mon1:479.72:308.58:140.38:151.65:008:26Waxing Crescent24Mon
25Tue2:269.53:108.48:520.58:571.75:008:26Waxing Crescent25Tue
26Wed3:079.33:528.49:310.69:411.85:018:26Waxing Crescent26Wed
27Thu3:519.04:358.510:130.710:291.85:018:26First Quarter27Thu
28Fri4:388.85:188.710:550.911:181.75:028:26First Quarter28Fri
29Sat5:278.66:028.911:401.05:028:26First Quarter29Sat
30Sun6:198.56:499.212:111.512:271.05:038:26First Quarter30Sun
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 4:23 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 30% 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 Crescent (30% 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