43.7418’ N, 70.0145’ W

South Harpswell, ME

56°
H -°
L 54°
NNE
13mph
High tide
1:09 am

Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Monday, September 28, 2026
The tide is currently rising in South Harpswell, ME.
Next low tide (tomorrow) : 7:09 am (-0.1 ft)
Next high tide (tomorrow) : in 2h 36m at 1:09 am (9.7 ft)
Sunset today : 6:26 pm
Sunrise tomorrow : 6:34 am
Moon phase : Waning Gibbous (95% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Apr 1954

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:4710.09:1510.12:31-0.12:59-0.65:216:06Waning Crescent1Thu
2Fri9:4010.410:0210.73:24-0.83:47-1.05:206:07New Moon2Fri
3Sat10:3110.610:5011.24:15-1.54:35-1.25:186:08New Moon3Sat
4Sun11:2310.611:3811.55:06-1.95:23-1.25:166:09New Moon4Sun
5Mon12:1410.55:57-2.06:12-1.05:146:10Waxing Crescent5Mon
6Tue12:2811.41:0710.16:49-1.87:03-0.65:136:12Waxing Crescent6Tue
7Wed1:1911.12:029.67:43-1.47:57-0.15:116:13Waxing Crescent7Wed
8Thu2:1510.63:029.18:42-0.98:560.55:096:14First Quarter8Thu
9Fri3:1610.04:078.79:45-0.310:011.05:076:15First Quarter9Fri
10Sat4:229.45:138.410:510.211:101.35:066:16First Quarter10Sat
11Sun5:309.06:198.311:580.55:046:18First Quarter11Sun
12Mon6:388.87:208.512:201.41:020.75:026:19Waxing Gibbous12Mon
13Tue7:408.88:148.71:261.21:590.75:006:20Waxing Gibbous13Tue
14Wed8:348.89:009.02:230.92:460.64:596:21Waxing Gibbous14Wed
15Thu9:218.99:409.23:110.63:280.64:576:22Waxing Gibbous15Thu
16Fri10:048.910:179.43:530.44:050.74:556:24Full Moon16Fri
17Sat10:448.910:529.54:320.24:400.84:546:25Full Moon17Sat
18Sun11:218.811:259.55:080.15:130.94:526:26Full Moon18Sun
19Mon11:578.711:579.55:420.15:451.04:506:27Full Moon19Mon
20Tue12:328.56:160.16:191.24:496:28Waning Gibbous20Tue
21Wed12:309.41:088.36:510.26:551.34:476:30Waning Gibbous21Wed
22Thu1:069.31:468.27:290.47:341.54:466:31Waning Gibbous22Thu
23Fri1:459.22:288.08:100.58:171.64:446:32Waning Gibbous23Fri
24Sat2:299.13:167.98:570.69:071.64:426:33Third Quarter24Sat
25Sun4:209.05:088.010:480.711:021.65:417:34Third Quarter25Sun
26Mon5:168.96:038.211:420.75:397:35Third Quarter26Mon
27Tue6:169.07:008.712:011.412:380.55:387:37Third Quarter27Tue
28Wed7:199.17:579.21:041.01:360.35:367:38Waning Crescent28Wed
29Thu8:219.48:529.92:070.42:320.05:357:39Waning Crescent29Thu
30Fri9:219.79:4410.63:06-0.33:26-0.35:337:40Waning Crescent30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8417647)

Common Questions About South Harpswell, ME Tides

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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 Waning 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