Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in South Harpswell, ME.
Next low tide : in 2h 30m at 8:12 pm (1.4 ft)
Next high tide (tomorrow) : 2:23 am (9.4 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:03 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - May 2005

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:109.66:068.511:410.15:317:42Third Quarter1Sun
2Mon6:209.47:138.712:001.212:470.25:307:43Third Quarter2Mon
3Tue7:309.38:159.21:121.01:520.25:287:45Waning Crescent3Tue
4Wed8:369.49:119.62:210.62:510.15:277:46Waning Crescent4Wed
5Thu9:369.510:0110.03:220.13:430.05:267:47Waning Crescent5Thu
6Fri10:299.510:4710.34:16-0.34:310.15:247:48New Moon6Fri
7Sat11:199.511:3110.45:06-0.65:160.25:237:49New Moon7Sat
8Sun12:079.45:52-0.75:590.45:227:50New Moon8Sun
9Mon12:1210.412:519.16:36-0.76:400.75:207:51New Moon9Mon
10Tue12:5310.21:348.97:18-0.57:211.05:197:53Waxing Crescent10Tue
11Wed1:339.92:178.68:00-0.18:021.45:187:54Waxing Crescent11Wed
12Thu2:149.53:018.28:430.28:451.75:177:55Waxing Crescent12Thu
13Fri2:589.23:488.09:280.69:321.95:167:56Waxing Crescent13Fri
14Sat3:468.84:387.810:160.910:232.15:157:57First Quarter14Sat
15Sun4:388.65:307.811:061.211:172.25:147:58First Quarter15Sun
16Mon5:328.36:217.811:561.35:137:59First Quarter16Mon
17Tue6:278.27:128.112:132.212:461.35:128:00First Quarter17Tue
18Wed7:238.28:008.41:112.01:361.35:118:01Waxing Gibbous18Wed
19Thu8:178.38:458.92:061.62:231.25:108:02Waxing Gibbous19Thu
20Fri9:088.49:269.42:571.13:071.05:098:03Waxing Gibbous20Fri
21Sat9:558.710:079.93:430.53:500.85:088:04Waxing Gibbous21Sat
22Sun10:418.910:4810.34:280.04:330.65:078:05Full Moon22Sun
23Mon11:289.011:3210.65:13-0.55:170.55:068:06Full Moon23Mon
24Tue12:159.25:59-0.86:040.45:058:07Full Moon24Tue
25Wed12:1810.81:049.26:47-1.06:530.45:058:08Waning Gibbous25Wed
26Thu1:0810.91:559.27:37-1.07:450.45:048:09Waning Gibbous26Thu
27Fri2:0010.82:509.18:30-0.98:400.65:038:10Waning Gibbous27Fri
28Sat2:5610.53:499.09:26-0.79:400.75:038:11Waning Gibbous28Sat
29Sun3:5710.24:519.010:26-0.410:450.95:028:12Third Quarter29Sun
30Mon5:029.85:529.211:26-0.211:520.95:018:13Third Quarter30Mon
31Tue6:089.56:539.412:270.15:018:14Third Quarter31Tue
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 11:17 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 spring phase. Tonight's moon is 88% 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 (88% 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