Tides Today & Tomorrow in Portland, ME

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in Portland, ME.
Next low tide (tomorrow) : in 6h 11m at 12:38 am (0.9 ft)
Next high tide (tomorrow) : 6:47 am (8.7 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 4:59 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8418150
Common Questions About Tides

Portland, ME Tides - Sep 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:1111.51:3811.37:22-1.67:48-1.46:047:17Waning Gibbous1Tue
2Wed2:0411.22:3011.28:13-1.38:43-1.26:057:15Waning Gibbous2Wed
3Thu2:5910.73:2511.09:06-0.89:42-0.96:067:13Third Quarter3Thu
4Fri3:5910.14:2310.610:02-0.310:44-0.46:077:12Third Quarter4Fri
5Sat5:029.65:2510.211:030.311:490.06:097:10Third Quarter5Sat
6Sun6:069.16:299.912:060.76:107:08Third Quarter6Sun
7Mon7:128.97:349.712:550.31:121.06:117:06Waning Crescent7Mon
8Tue8:168.88:359.72:020.42:171.06:127:05Waning Crescent8Tue
9Wed9:138.99:309.83:010.33:150.96:137:03Waning Crescent9Wed
10Thu10:039.110:189.83:530.34:050.76:147:01Waning Crescent10Thu
11Fri10:489.211:029.84:380.24:500.66:156:59New Moon11Fri
12Sat11:289.411:429.85:180.25:310.56:166:57New Moon12Sat
13Sun12:059.55:540.26:080.46:176:55New Moon13Sun
14Mon12:209.712:399.56:280.36:440.46:196:54New Moon14Mon
15Tue12:569.61:139.57:000.47:180.46:206:52Waxing Crescent15Tue
16Wed1:319.41:459.57:330.67:540.56:216:50Waxing Crescent16Wed
17Thu2:079.12:199.48:070.88:310.66:226:48Waxing Crescent17Thu
18Fri2:448.92:569.38:441.09:120.86:236:46Waxing Crescent18Fri
19Sat3:268.63:389.29:251.29:580.96:246:44First Quarter19Sat
20Sun4:128.44:269.210:121.410:491.06:256:43First Quarter20Sun
21Mon5:048.35:199.211:031.411:440.96:266:41First Quarter21Mon
22Tue6:008.36:179.311:591.46:286:39First Quarter22Tue
23Wed7:008.57:199.612:420.81:001.16:296:37Waxing Gibbous23Wed
24Thu8:018.98:2110.11:430.42:020.76:306:35Waxing Gibbous24Thu
25Fri8:589.59:1910.62:42-0.13:020.06:316:33Waxing Gibbous25Fri
26Sat9:5110.210:1411.03:36-0.63:58-0.76:326:32Full Moon26Sat
27Sun10:4210.911:0711.34:28-1.14:51-1.36:336:30Full Moon27Sun
28Mon11:3311.45:18-1.45:44-1.76:346:28Full Moon28Mon
29Tue12:0011.412:2311.66:08-1.56:37-1.96:366:26Full Moon29Tue
30Wed12:5311.31:1411.76:58-1.47:30-1.86:376:24Waning Gibbous30Wed
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 3:42 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 neap phase. Tonight's moon is 58% 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 near their weekly minimum.

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 (58% illuminated). This places Portland, ME in a neap tide cycle, so tidal ranges are near their weekly minimum 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