43.7418’ N, 70.0145’ W

South Harpswell, ME

57°
H 61°
L 43°
NE
10mph
Low tide
3:29 pm

Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Wednesday, September 23, 2026
The tide is currently falling in South Harpswell, ME.
Next low tide : in 5h 21m at 3:29 pm (1.4 ft)
Next high tide : 9:44 pm (9.1 ft)
Sunset today : 6:36 pm
Sunrise tomorrow : 6:28 am
Moon phase : Waxing Gibbous (90% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Jan 2092

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:179.03:329.39:200.59:49-0.17:134:13Third Quarter1Tue
2Wed4:109.24:319.110:180.410:440.07:134:14Third Quarter2Wed
3Thu5:069.55:349.011:200.211:430.07:134:15Third Quarter3Thu
4Fri6:069.86:418.912:260.07:134:16Waning Crescent4Fri
5Sat7:0810.17:479.112:440.01:31-0.57:134:17Waning Crescent5Sat
6Sun8:0710.58:489.31:46-0.12:32-0.97:134:18Waning Crescent6Sun
7Mon9:0410.89:459.52:44-0.33:29-1.37:134:19New Moon7Mon
8Tue9:5811.010:399.73:40-0.44:23-1.67:124:20New Moon8Tue
9Wed10:5111.111:319.84:33-0.55:15-1.67:124:21New Moon9Wed
10Thu11:4211.05:25-0.56:04-1.57:124:22New Moon10Thu
11Fri12:219.712:3110.76:15-0.46:52-1.27:124:23Waxing Crescent11Fri
12Sat1:099.51:2010.27:05-0.17:40-0.87:114:24Waxing Crescent12Sat
13Sun1:589.32:099.77:550.28:27-0.37:114:26Waxing Crescent13Sun
14Mon2:479.03:019.18:480.69:160.27:104:27First Quarter14Mon
15Tue3:388.83:558.69:430.910:060.77:104:28First Quarter15Tue
16Wed4:298.64:518.110:391.210:571.17:094:29First Quarter16Wed
17Thu5:218.55:497.811:381.311:511.47:094:30First Quarter17Thu
18Fri6:158.56:487.712:381.27:084:32Waxing Gibbous18Fri
19Sat7:098.67:457.712:461.51:351.17:074:33Waxing Gibbous19Sat
20Sun7:598.88:367.91:401.52:260.87:074:34Waxing Gibbous20Sun
21Mon8:459.09:228.12:271.33:100.47:064:36Waxing Gibbous21Mon
22Tue9:289.310:048.33:111.13:510.17:054:37Waxing Gibbous22Tue
23Wed10:089.610:448.63:510.84:29-0.27:044:38Full Moon23Wed
24Thu10:479.911:228.84:300.65:06-0.57:044:39Full Moon24Thu
25Fri11:2610.15:100.35:44-0.77:034:41Full Moon25Fri
26Sat12:009.012:0510.25:500.16:22-0.87:024:42Waning Gibbous26Sat
27Sun12:389.312:4610.26:33-0.17:03-0.97:014:43Waning Gibbous27Sun
28Mon1:189.41:3010.07:18-0.27:46-0.87:004:45Waning Gibbous28Mon
29Tue2:029.62:199.88:07-0.28:33-0.66:594:46Waning Gibbous29Tue
30Wed2:519.63:139.49:00-0.29:25-0.46:584:48Third Quarter30Wed
31Thu3:449.74:139.19:59-0.110:21-0.16:574:49Third Quarter31Thu
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 90% 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 (90% 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