Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in South Harpswell, ME.
Next low tide : in 4h 41m at 9:39 pm (1.2 ft)
Next high tide (tomorrow) : 3:47 am (9.1 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 5:04 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Mar 2051

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:069.21:268.87:130.37:260.56:165:28Waning Gibbous1Wed
2Thu1:409.02:038.57:500.58:030.86:145:29Waning Gibbous2Thu
3Fri2:178.92:458.28:310.78:441.06:125:31Waning Gibbous3Fri
4Sat2:598.73:327.99:170.89:301.36:115:32Third Quarter4Sat
5Sun3:468.64:247.710:081.010:211.46:095:33Third Quarter5Sun
6Mon4:398.65:227.611:041.011:171.46:075:34Third Quarter6Mon
7Tue5:388.76:247.812:040.96:055:36Waning Crescent7Tue
8Wed6:409.07:258.212:191.21:060.56:045:37Waning Crescent8Wed
9Thu7:419.58:208.91:210.82:03-0.16:025:38Waning Crescent9Thu
10Fri8:3810.09:119.62:190.12:55-0.76:005:39Waning Crescent10Fri
11Sat9:3110.610:0110.33:13-0.63:45-1.25:585:41New Moon11Sat
12Sun11:2210.911:4910.85:05-1.25:33-1.66:576:42New Moon12Sun
13Mon12:1411.15:57-1.76:22-1.76:556:43New Moon13Mon
14Tue12:3711.21:0511.16:48-2.07:10-1.76:536:44Waxing Crescent14Tue
15Wed1:2611.31:5610.87:40-2.08:00-1.46:516:46Waxing Crescent15Wed
16Thu2:1611.22:5010.38:33-1.78:52-0.96:496:47Waxing Crescent16Thu
17Fri3:1010.83:489.79:29-1.29:48-0.36:486:48First Quarter17Fri
18Sat4:0810.34:519.110:30-0.710:490.36:466:49First Quarter18Sat
19Sun5:109.75:568.711:35-0.111:540.86:446:50First Quarter19Sun
20Mon6:169.37:038.412:430.36:426:52First Quarter20Mon
21Tue7:249.18:098.41:031.11:510.46:406:53Waxing Gibbous21Tue
22Wed8:299.09:078.62:121.12:520.46:396:54Waxing Gibbous22Wed
23Thu9:269.19:578.83:120.93:440.36:376:55Waxing Gibbous23Thu
24Fri10:159.210:419.04:030.64:290.26:356:57Waxing Gibbous24Fri
25Sat10:599.311:209.24:470.45:090.26:336:58Full Moon25Sat
26Sun11:399.311:569.45:270.25:450.26:316:59Full Moon26Sun
27Mon12:179.26:040.16:180.36:307:00Full Moon27Mon
28Tue12:309.412:529.16:390.06:490.46:287:01Full Moon28Tue
29Wed1:029.51:269.07:120.07:210.66:267:03Waning Gibbous29Wed
30Thu1:349.42:018.87:460.17:550.76:247:04Waning Gibbous30Thu
31Fri2:079.32:378.68:220.28:310.96:227:05Waning Gibbous31Fri
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 12:43 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 transitional phase. Tonight's moon is 72% 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 (72% 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