Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Sunday, June 28, 2026
The tide is currently falling in South Harpswell, ME.
Next low tide : in 5h 16m at 4:59 pm (1.7 ft)
Next high tide : 11:14 pm (9.5 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:00 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Mar 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:1511.111:4110.94:58-1.55:26-1.76:165:28Full Moon1Mon
2Tue12:0610.95:49-1.76:13-1.56:145:29Waning Gibbous2Tue
3Wed12:2911.012:5710.56:40-1.67:00-1.16:125:31Waning Gibbous3Wed
4Thu1:1610.81:489.97:32-1.37:49-0.56:115:32Waning Gibbous4Thu
5Fri2:0610.42:439.28:26-0.88:410.26:095:33Waning Gibbous5Fri
6Sat2:599.83:418.69:23-0.29:360.86:075:34Third Quarter6Sat
7Sun3:569.34:438.010:240.410:361.46:065:36Third Quarter7Sun
8Mon4:588.85:487.711:290.811:421.76:045:37Third Quarter8Mon
9Tue6:038.56:527.612:371.06:025:38Waning Crescent9Tue
10Wed7:078.57:517.712:491.71:391.06:005:39Waning Crescent10Wed
11Thu8:058.68:428.01:501.62:310.85:585:41Waning Crescent11Thu
12Fri8:548.89:258.42:411.33:150.65:575:42Waning Crescent12Fri
13Sat9:379.010:048.73:250.93:530.45:555:43Waning Crescent13Sat
14Sun11:169.111:399.05:050.65:270.36:536:44New Moon14Sun
15Mon11:539.25:410.45:580.36:516:46New Moon15Mon
16Tue12:119.212:299.26:150.26:290.36:506:47New Moon16Tue
17Wed12:429.31:039.16:490.07:000.36:486:48New Moon17Wed
18Thu1:139.51:378.97:240.07:330.56:466:49Waxing Crescent18Thu
19Fri1:459.52:138.78:00-0.18:100.66:446:50Waxing Crescent19Fri
20Sat2:219.52:538.58:410.08:510.86:426:52Waxing Crescent20Sat
21Sun3:029.53:408.39:270.19:371.06:416:53First Quarter21Sun
22Mon3:519.44:348.110:200.310:321.16:396:54First Quarter22Mon
23Tue4:489.35:368.011:190.411:321.26:376:55First Quarter23Tue
24Wed5:529.26:438.112:230.46:356:57First Quarter24Wed
25Thu7:019.47:518.512:391.11:300.26:336:58Waxing Gibbous25Thu
26Fri8:119.68:549.11:500.72:35-0.26:316:59Waxing Gibbous26Fri
27Sat9:1510.09:499.82:560.13:32-0.66:307:00Waxing Gibbous27Sat
28Sun10:1310.410:4110.43:55-0.64:25-1.06:287:01Full Moon28Sun
29Mon11:0710.611:3010.94:50-1.25:14-1.16:267:03Full Moon29Mon
30Tue11:5910.65:42-1.66:02-1.16:247:04Full Moon30Tue
31Wed12:1711.112:4910.46:33-1.76:49-0.96:227:05Full Moon31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8417647)

Common Questions About South Harpswell, ME Tides

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

Slack tide in South Harpswell, ME is approximately 8:06 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 Harpswell, ME?

South Harpswell, ME is currently in a spring phase. Tonight's moon is 98% 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 Harpswell, 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 Harpswell, ME?

Tide predictions for South Harpswell, 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 Harpswell, ME?

Tide data for South Harpswell, ME is sourced from NOAA Station #8417647. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8417647.

What is the moon phase in South Harpswell, ME tonight?

Tonight the moon over South Harpswell, ME is Full Moon (98% illuminated). This places South Harpswell, 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