Tides Today & Tomorrow in Belfast, ME

TIDE TIMES for Monday, August 17, 2026
The tide is currently falling in Belfast, ME.
Next low tide : in 1h 46m at 9:22 pm (0.4 ft)
Next high tide (tomorrow) : 3:34 am (10.3 ft)
Sunset today : 7:38 pm
Sunrise tomorrow : 5:41 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8415191
Common Questions About Tides

Belfast, ME Tides - Sep 1934

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:339.35:5110.211:321.85:587:14Third Quarter1Sat
2Sun6:368.96:5310.012:191.212:332.15:597:12Third Quarter2Sun
3Mon7:378.87:529.91:201.31:332.26:007:10Waning Crescent3Mon
4Tue8:338.98:4710.12:171.32:292.06:017:08Waning Crescent4Tue
5Wed9:239.29:3510.33:081.13:191.76:027:06Waning Crescent5Wed
6Thu10:069.510:1710.53:530.84:041.46:037:05Waning Crescent6Thu
7Fri10:459.910:5610.74:330.64:441.16:057:03New Moon7Fri
8Sat11:2010.211:3310.75:090.55:210.96:067:01New Moon8Sat
9Sun11:5310.55:430.45:570.76:076:59New Moon9Sun
10Mon12:0810.712:2610.76:150.56:320.56:086:57New Moon10Mon
11Tue12:4210.612:5810.86:470.67:080.46:096:55Waxing Crescent11Tue
12Wed1:1910.51:3310.97:210.77:460.46:106:53Waxing Crescent12Wed
13Thu1:5710.32:1211.07:570.98:280.46:116:52Waxing Crescent13Thu
14Fri2:4010.02:5510.98:391.19:150.56:136:50Waxing Crescent14Fri
15Sat3:299.73:4610.89:271.410:100.76:146:48First Quarter15Sat
16Sun4:249.44:4410.710:221.611:120.76:156:46First Quarter16Sun
17Mon5:289.25:4910.611:261.76:166:44First Quarter17Mon
18Tue6:379.36:5910.812:190.712:361.56:176:42Waxing Gibbous18Tue
19Wed7:459.78:0611.21:270.41:461.06:186:40Waxing Gibbous19Wed
20Thu8:4710.39:0811.62:30-0.12:500.46:206:38Waxing Gibbous20Thu
21Fri9:4411.010:0512.03:28-0.63:49-0.36:216:37Full Moon21Fri
22Sat10:3511.710:5912.24:20-1.04:43-0.96:226:35Full Moon22Sat
23Sun11:2412.111:4912.15:09-1.15:35-1.26:236:33Full Moon23Sun
24Mon12:1112.35:57-1.06:24-1.36:246:31Full Moon24Mon
25Tue12:3811.912:5712.26:43-0.77:13-1.16:266:29Waning Gibbous25Tue
26Wed1:2711.41:4311.97:30-0.18:03-0.76:276:27Waning Gibbous26Wed
27Thu2:1710.82:3111.48:170.58:53-0.16:286:25Waning Gibbous27Thu
28Fri3:0810.23:2110.89:071.29:460.56:296:23Third Quarter28Fri
29Sat4:029.64:1510.310:001.810:421.06:306:22Third Quarter29Sat
30Sun3:599.14:149.99:572.210:411.45:325:20Third Quarter30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8415191)

Common Questions About Belfast, ME Tides

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What time does the tide turn (slack tide) in Belfast, ME today?

Slack tide in Belfast, ME is approximately 12:28 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 Belfast, ME?

Belfast, ME is currently in a transitional phase. Tonight's moon is 27% 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 Belfast, 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 Belfast, ME?

Tide predictions for Belfast, 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 Belfast, ME?

Tide data for Belfast, ME is sourced from NOAA Station #8415191. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8415191.

What is the moon phase in Belfast, ME tonight?

Tonight the moon over Belfast, ME is Waxing Crescent (27% illuminated). This places Belfast, 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