Tides Today & Tomorrow in Belfast, ME

TIDE TIMES for Monday, August 17, 2026
The tide is currently rising in Belfast, ME.
Next low tide : 9:22 pm (0.4 ft)
Next high tide : in 5h 40m at 3:07 pm (11.0 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 - Jul 1935

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:1110.15:57-0.36:051.14:548:24New Moon1Mon
2Tue12:1711.412:5310.16:40-0.16:481.24:558:24New Moon2Tue
3Wed12:5911.21:3410.07:210.17:311.44:558:24Waxing Crescent3Wed
4Thu1:4010.92:1410.08:000.48:121.54:568:23Waxing Crescent4Thu
5Fri2:2110.62:549.98:390.78:551.74:578:23Waxing Crescent5Fri
6Sat3:0310.23:349.99:181.09:381.84:578:23Waxing Crescent6Sat
7Sun3:469.84:169.99:581.210:241.94:588:22First Quarter7Sun
8Mon4:329.45:009.810:401.511:131.94:598:22First Quarter8Mon
9Tue5:229.15:479.911:251.84:598:22First Quarter9Tue
10Wed6:158.96:3710.012:051.812:142.05:008:21First Quarter10Wed
11Thu7:128.87:2910.21:001.61:062.05:018:21Waxing Gibbous11Thu
12Fri8:088.98:2210.61:551.32:001.95:028:20Waxing Gibbous12Fri
13Sat9:039.29:1411.02:490.82:541.75:038:19Waxing Gibbous13Sat
14Sun9:569.610:0611.53:410.33:471.35:038:19Full Moon14Sun
15Mon10:4610.110:5612.04:32-0.34:390.85:048:18Full Moon15Mon
16Tue11:3510.611:4612.45:21-0.85:300.45:058:18Full Moon16Tue
17Wed12:2411.16:09-1.16:220.05:068:17Full Moon17Wed
18Thu12:3712.51:1411.56:58-1.37:15-0.35:078:16Waning Gibbous18Thu
19Fri1:2912.52:0411.77:48-1.38:09-0.45:088:15Waning Gibbous19Fri
20Sat2:2212.22:5611.88:38-1.19:05-0.45:098:14Waning Gibbous20Sat
21Sun3:1811.73:5011.89:30-0.710:04-0.25:108:14Third Quarter21Sun
22Mon4:1611.14:4611.610:25-0.211:050.05:118:13Third Quarter22Mon
23Tue5:1810.55:4511.411:230.45:128:12Third Quarter23Tue
24Wed6:2310.06:4611.212:090.112:240.95:138:11Waning Crescent24Wed
25Thu7:289.77:4811.11:130.31:261.25:148:10Waning Crescent25Thu
26Fri8:329.68:4711.12:160.32:271.35:158:09Waning Crescent26Fri
27Sat9:309.69:4211.13:140.23:241.35:168:08Waning Crescent27Sat
28Sun10:229.810:3211.24:070.14:161.25:178:07New Moon28Sun
29Mon11:089.911:1711.24:550.15:031.15:188:06New Moon29Mon
30Tue11:5010.011:5811.15:380.15:461.15:198:04New Moon30Tue
31Wed12:2910.16:170.26:261.15:208:03New Moon31Wed
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 6:14 pm — 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