Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Saturday, June 27, 2026
The tide is currently rising in South Harpswell, ME.
Next low tide (tomorrow) : 5:04 am (0.5 ft)
Next high tide : in 50m at 10:32 pm (9.4 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:00 am
Moon phase : Waxing Gibbous (95% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Feb 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue9:479.810:248.73:310.64:12-0.36:564:50New Moon1Tue
2Wed10:339.811:068.94:180.54:54-0.46:554:51New Moon2Wed
3Thu11:149.711:448.95:000.45:32-0.36:544:53New Moon3Thu
4Fri11:529.65:400.36:06-0.26:534:54New Moon4Fri
5Sat12:209.012:299.46:170.46:390.06:524:55Waxing Crescent5Sat
6Sun12:539.01:059.16:540.47:120.26:504:57Waxing Crescent6Sun
7Mon1:278.91:428.77:310.67:460.56:494:58Waxing Crescent7Mon
8Tue2:028.82:218.48:100.78:230.86:485:00Waxing Crescent8Tue
9Wed2:408.73:058.08:540.99:051.16:475:01First Quarter9Wed
10Thu3:238.63:547.69:411.19:511.46:455:02First Quarter10Thu
11Fri4:118.54:487.410:341.210:421.66:445:04First Quarter11Fri
12Sat5:048.55:487.311:311.211:391.66:435:05First Quarter12Sat
13Sun6:038.66:517.512:341.06:415:06Waxing Gibbous13Sun
14Mon7:059.07:517.912:401.41:350.66:405:08Waxing Gibbous14Mon
15Tue8:039.58:458.51:411.02:300.06:385:09Waxing Gibbous15Tue
16Wed8:5710.19:349.12:370.43:20-0.76:375:10Waxing Gibbous16Wed
17Thu9:4810.610:229.83:30-0.34:07-1.26:355:12Full Moon17Thu
18Fri10:3811.011:0910.44:21-0.94:54-1.66:345:13Full Moon18Fri
19Sat11:2811.111:5610.85:12-1.45:41-1.86:325:14Full Moon19Sat
20Sun12:1911.06:02-1.66:28-1.76:315:16Waning Gibbous20Sun
21Mon12:4311.01:1010.76:54-1.77:16-1.46:295:17Waning Gibbous21Mon
22Tue1:3310.92:0310.17:47-1.48:07-0.96:285:18Waning Gibbous22Tue
23Wed2:2510.63:029.58:44-1.09:02-0.26:265:20Third Quarter23Wed
24Thu3:2310.14:058.89:46-0.510:020.46:245:21Third Quarter24Thu
25Fri4:259.75:128.310:520.011:070.96:235:22Third Quarter25Fri
26Sat5:329.36:218.112:020.36:215:24Third Quarter26Sat
27Sun6:419.17:298.112:171.21:120.46:205:25Waning Crescent27Sun
28Mon7:469.18:288.31:261.22:140.36:185:26Waning Crescent28Mon
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 1:48 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 South Harpswell, ME?

South Harpswell, ME is currently in a spring phase. Tonight's moon is 95% 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 Waxing Gibbous (95% 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