Tides Today & Tomorrow in South Bristol, Walpole, ME

TIDE TIMES for Thursday, July 30, 2026
The tide is currently rising in South Bristol, Walpole, ME.
Next low tide : 6:30 pm (1.1 ft)
Next high tide : in 2h 01m at 12:41 pm (8.5 ft)
Sunset today : 8:04 pm
Sunrise tomorrow : 5:24 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8416721
Common Questions About Tides

South Bristol, Walpole, ME Tides - Aug 2076

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:379.61:128.67:020.27:031.15:288:01New Moon1Sat
2Sun1:139.61:478.67:360.27:401.15:297:59Waxing Crescent2Sun
3Mon1:499.42:218.78:090.38:171.15:307:58Waxing Crescent3Mon
4Tue2:259.22:568.78:430.48:571.25:317:57Waxing Crescent4Tue
5Wed3:049.03:338.89:190.69:401.25:327:55Waxing Crescent5Wed
6Thu3:468.74:138.99:590.810:261.15:337:54First Quarter6Thu
7Fri4:328.54:579.010:420.911:161.05:347:53First Quarter7Fri
8Sat5:238.35:459.211:301.15:357:51First Quarter8Sat
9Sun6:198.16:399.412:110.912:231.15:377:50First Quarter9Sun
10Mon7:208.27:389.71:110.71:211.15:387:48Waxing Gibbous10Mon
11Tue8:248.48:3910.22:130.32:220.85:397:47Waxing Gibbous11Tue
12Wed9:258.79:3810.63:14-0.23:220.45:407:45Waxing Gibbous12Wed
13Thu10:229.210:3511.14:11-0.74:200.05:417:44Full Moon13Thu
14Fri11:179.611:3111.45:06-1.25:16-0.45:427:42Full Moon14Fri
15Sat12:1110.15:59-1.56:11-0.75:437:41Full Moon15Sat
16Sun12:2611.51:0310.46:50-1.67:06-0.95:447:39Waning Gibbous16Sun
17Mon1:2011.31:5410.57:41-1.58:01-0.95:467:38Waning Gibbous17Mon
18Tue2:1410.92:4610.58:31-1.28:57-0.75:477:36Waning Gibbous18Tue
19Wed3:0910.43:3910.39:23-0.69:55-0.35:487:34Third Quarter19Wed
20Thu4:089.74:3510.010:17-0.110:560.05:497:33Third Quarter20Thu
21Fri5:089.15:329.711:140.511:590.45:507:31Third Quarter21Fri
22Sat6:118.66:319.412:131.15:517:30Third Quarter22Sat
23Sun7:148.27:329.21:030.61:151.45:527:28Waning Crescent23Sun
24Mon8:178.18:319.22:080.72:171.65:547:26Waning Crescent24Mon
25Tue9:148.19:259.23:060.73:131.55:557:25Waning Crescent25Tue
26Wed10:038.310:129.43:570.64:021.45:567:23Waning Crescent26Wed
27Thu10:488.410:559.54:420.44:451.25:577:21New Moon27Thu
28Fri11:288.611:359.65:220.35:251.05:587:19New Moon28Fri
29Sat12:058.85:580.36:020.95:597:18New Moon29Sat
30Sun12:129.612:408.96:310.26:380.86:007:16New Moon30Sun
31Mon12:489.51:139.07:030.37:130.76:017:14Waxing Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8416721)

Common Questions About South Bristol, Walpole, ME Tides

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What time does the tide turn (slack tide) in South Bristol, Walpole, ME today?

Slack tide in South Bristol, Walpole, ME is approximately 3:35 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 South Bristol, Walpole, ME?

South Bristol, Walpole, ME is currently in a spring phase. Tonight's moon is 99% 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 maximum.

What datum are South Bristol, Walpole, 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 South Bristol, Walpole, ME?

Tide predictions for South Bristol, Walpole, 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 South Bristol, Walpole, ME?

Tide data for South Bristol, Walpole, ME is sourced from NOAA Station #8416721. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8416721.

What is the moon phase in South Bristol, Walpole, ME tonight?

Tonight the moon over South Bristol, Walpole, ME is Full Moon (99% illuminated). This places South Bristol, Walpole, ME in a spring tide cycle, so tidal ranges are near their weekly maximum 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