Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently falling in South Harpswell, ME.
Next low tide : in 4h 04m at 1:50 pm (1.3 ft)
Next high tide : 8:11 pm (9.3 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 4:59 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Mar 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:498.54:257.710:081.110:211.56:155:29Third Quarter1Tue
2Wed4:408.45:217.511:021.211:151.66:135:30Third Quarter2Wed
3Thu5:368.56:227.612:011.16:115:31Third Quarter3Thu
4Fri6:368.77:217.912:141.51:020.86:105:32Waning Crescent4Fri
5Sat7:359.18:168.41:141.21:580.36:085:34Waning Crescent5Sat
6Sun8:299.69:059.02:110.62:49-0.36:065:35Waning Crescent6Sun
7Mon9:2010.29:529.73:030.03:37-0.86:055:36New Moon7Mon
8Tue10:0910.710:3910.33:53-0.74:23-1.36:035:38New Moon8Tue
9Wed10:5911.011:2510.74:42-1.25:10-1.66:015:39New Moon9Wed
10Thu11:4811.15:32-1.65:57-1.75:595:40Waxing Crescent10Thu
11Fri12:1311.012:3810.96:22-1.86:45-1.65:585:41Waxing Crescent11Fri
12Sat1:0111.11:3010.67:14-1.77:35-1.25:565:43Waxing Crescent12Sat
13Sun1:5210.93:2610.19:09-1.49:29-0.76:546:44Waxing Crescent13Sun
14Mon3:4810.54:279.510:08-0.910:27-0.16:526:45First Quarter14Mon
15Tue4:4810.05:329.011:11-0.511:310.46:506:46First Quarter15Tue
16Wed5:539.66:408.612:180.06:496:47First Quarter16Wed
17Thu7:019.37:488.512:390.81:280.26:476:49Waxing Gibbous17Thu
18Fri8:099.28:528.61:490.92:350.26:456:50Waxing Gibbous18Fri
19Sat9:109.39:478.82:540.83:320.16:436:51Waxing Gibbous19Sat
20Sun10:049.410:349.13:500.64:210.06:416:52Waxing Gibbous20Sun
21Mon10:519.511:179.34:380.35:05-0.16:406:54Full Moon21Mon
22Tue11:349.511:559.45:210.15:430.06:386:55Full Moon22Tue
23Wed12:139.56:000.06:190.16:366:56Full Moon23Wed
24Thu12:319.412:509.46:370.06:510.26:346:57Full Moon24Thu
25Fri1:049.41:259.27:110.07:240.46:326:58Waning Gibbous25Fri
26Sat1:369.42:008.97:460.17:570.66:307:00Waning Gibbous26Sat
27Sun2:099.32:368.78:210.38:320.96:297:01Waning Gibbous27Sun
28Mon2:449.13:158.49:000.49:111.16:277:02Waning Gibbous28Mon
29Tue3:238.93:598.19:420.69:551.36:257:03Waning Gibbous29Tue
30Wed4:078.84:487.910:300.810:441.56:237:04Third Quarter30Wed
31Thu4:588.75:427.911:220.911:381.56:217:06Third Quarter31Thu
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 5:00 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 transitional phase. Tonight's moon is 76% 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 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 (76% illuminated). This places South Harpswell, 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