Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Portland, ME.
Next low tide : in 4h 12m at 9:38 pm (1.2 ft)
Next high tide (tomorrow) : 3:45 am (9.3 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 - Sep 2051

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:549.09:1310.12:400.12:540.76:047:17Waning Crescent1Fri
2Sat9:499.210:0610.13:370.03:500.56:067:15Waning Crescent2Sat
3Sun10:389.410:5410.24:27-0.14:400.46:077:13New Moon3Sun
4Mon11:239.511:3810.15:12-0.15:250.36:087:11New Moon4Mon
5Tue12:049.65:52-0.16:070.26:097:09New Moon5Tue
6Wed12:2010.012:419.76:300.16:460.36:107:08New Moon6Wed
7Thu12:589.71:179.67:050.37:230.36:117:06Waxing Crescent7Thu
8Fri1:359.51:519.57:390.58:000.56:127:04Waxing Crescent8Fri
9Sat2:139.22:279.48:140.88:390.76:137:02Waxing Crescent9Sat
10Sun2:528.83:059.28:511.09:200.96:147:00Waxing Crescent10Sun
11Mon3:348.53:479.19:321.310:061.16:166:59First Quarter11Mon
12Tue4:218.24:358.910:181.610:561.36:176:57First Quarter12Tue
13Wed5:128.05:268.911:071.711:491.36:186:55First Quarter13Wed
14Thu6:077.96:218.912:011.76:196:53First Quarter14Thu
15Fri7:048.17:199.212:451.212:581.66:206:51Waxing Gibbous15Fri
16Sat8:028.48:179.61:440.91:581.26:216:49Waxing Gibbous16Sat
17Sun8:558.99:1210.12:390.52:540.66:226:48Waxing Gibbous17Sun
18Mon9:449.610:0310.53:30-0.13:470.06:236:46Waxing Gibbous18Mon
19Tue10:3210.310:5310.94:18-0.64:38-0.76:256:44Full Moon19Tue
20Wed11:1910.911:4311.25:05-1.05:28-1.26:266:42Full Moon20Wed
21Thu12:0711.35:52-1.36:19-1.66:276:40Full Moon21Thu
22Fri12:3411.212:5511.56:41-1.37:10-1.76:286:38Waning Gibbous22Fri
23Sat1:2611.11:4611.57:30-1.28:03-1.66:296:37Waning Gibbous23Sat
24Sun2:1910.72:3811.38:22-0.88:59-1.26:306:35Waning Gibbous24Sun
25Mon3:1610.23:3610.99:17-0.39:59-0.86:316:33Third Quarter25Mon
26Tue4:189.74:3810.410:180.211:03-0.36:326:31Third Quarter26Tue
27Wed5:239.35:4410.011:220.66:346:29Third Quarter27Wed
28Thu6:299.16:519.812:100.112:300.96:356:27Third Quarter28Thu
29Fri7:359.07:569.61:170.31:380.96:366:26Waning Crescent29Fri
30Sat8:359.18:569.62:200.32:410.86:376:24Waning Crescent30Sat
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 12:41 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 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