43.7418’ N, 70.0145’ W

South Harpswell, ME

58°
H -°
L 39°
NW
18mph
Low tide
9:10 pm

Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Friday, October 30, 2026
The tide is currently falling in South Harpswell, ME.
Next low tide : in 3h 47m at 9:10 pm (-0.6 ft)
Next high tide (tomorrow) : 3:29 am (8.9 ft)
Sunset today : 5:33 pm
Sunrise tomorrow : 7:13 am
Moon phase : Waning Gibbous (74% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Apr 1902

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue4:298.45:157.610:511.211:061.95:226:05Third Quarter1Tue
2Wed5:268.36:127.711:481.35:206:06Third Quarter2Wed
3Thu6:258.47:078.112:051.712:451.15:196:08Waning Crescent3Thu
4Fri7:228.77:588.51:041.41:380.85:176:09Waning Crescent4Fri
5Sat8:149.18:439.11:580.92:250.35:156:10Waning Crescent5Sat
6Sun9:029.59:269.82:470.23:10-0.15:136:11Waning Crescent6Sun
7Mon9:499.910:0910.43:34-0.43:53-0.55:116:12New Moon7Mon
8Tue10:3610.210:5310.84:20-1.04:38-0.85:106:14New Moon8Tue
9Wed11:2310.411:3811.15:07-1.45:24-0.95:086:15New Moon9Wed
10Thu12:1210.45:55-1.76:11-0.95:066:16Waxing Crescent10Thu
11Fri12:2611.21:0210.26:45-1.77:01-0.75:046:17Waxing Crescent11Fri
12Sat1:1611.11:569.97:38-1.57:54-0.45:036:18Waxing Crescent12Sat
13Sun2:1010.72:559.58:34-1.18:520.15:016:19First Quarter13Sun
14Mon3:1110.33:599.29:36-0.69:560.44:596:21First Quarter14Mon
15Tue4:169.95:059.010:41-0.211:040.74:586:22First Quarter15Tue
16Wed5:259.56:129.011:480.04:566:23First Quarter16Wed
17Thu6:349.37:159.112:150.712:540.14:546:24Waxing Gibbous17Thu
18Fri7:399.38:129.41:230.61:540.14:536:25Waxing Gibbous18Fri
19Sat8:369.49:039.72:230.32:470.14:516:27Waxing Gibbous19Sat
20Sun9:279.49:479.83:150.03:330.14:496:28Waxing Gibbous20Sun
21Mon10:149.410:299.94:01-0.24:150.24:486:29Full Moon21Mon
22Tue10:579.311:079.94:44-0.34:540.44:466:30Full Moon22Tue
23Wed11:379.211:439.85:23-0.35:310.54:456:31Full Moon23Wed
24Thu12:159.06:01-0.26:070.74:436:33Full Moon24Thu
25Fri12:189.712:538.86:370.06:421.04:416:34Waning Gibbous25Fri
26Sat12:549.51:318.67:130.27:201.24:406:35Waning Gibbous26Sat
27Sun1:319.32:118.37:520.48:001.44:386:36Waning Gibbous27Sun
28Mon2:129.02:558.28:340.68:451.64:376:37Waning Gibbous28Mon
29Tue2:588.83:438.19:200.89:341.74:356:38Third Quarter29Tue
30Wed3:478.64:338.110:091.010:271.74:346:40Third Quarter30Wed
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 transitional phase. Tonight's moon is 74% 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 Waning Gibbous (74% 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