Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently rising in South Harpswell, ME.
Next low tide : 11:21 pm (0.8 ft)
Next high tide : in 2h 09m at 5:08 pm (9.3 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 5:05 am
Moon phase : Third Quarter (52% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Jan 2000

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:139.17:458.212:520.91:360.77:134:13Waning Crescent1Sat
2Sun8:049.28:388.21:461.02:290.57:134:13Waning Crescent2Sun
3Mon8:499.39:258.32:351.13:150.37:134:14Waning Crescent3Mon
4Tue9:329.410:088.43:181.03:570.17:134:15New Moon4Tue
5Wed10:119.510:488.43:581.04:360.07:134:16New Moon5Wed
6Thu10:499.611:268.54:351.05:12-0.17:134:17New Moon6Thu
7Fri11:269.65:110.95:47-0.17:134:18New Moon7Fri
8Sat12:028.512:019.65:470.96:21-0.17:134:19New Moon8Sat
9Sun12:378.512:369.56:230.96:55-0.17:134:20Waxing Crescent9Sun
10Mon1:128.51:139.47:010.97:320.07:124:22Waxing Crescent10Mon
11Tue1:498.51:539.37:420.98:120.07:124:23Waxing Crescent11Tue
12Wed2:298.62:379.18:280.88:550.17:124:24Waxing Crescent12Wed
13Thu3:138.83:288.99:180.89:430.27:114:25First Quarter13Thu
14Fri4:029.04:238.710:120.710:340.37:114:26First Quarter14Fri
15Sat4:559.25:238.611:110.511:300.47:104:27First Quarter15Sat
16Sun5:529.56:298.612:150.27:104:29Waxing Gibbous16Sun
17Mon6:539.97:358.812:310.31:20-0.37:094:30Waxing Gibbous17Mon
18Tue7:5410.38:379.11:330.12:22-0.87:094:31Waxing Gibbous18Tue
19Wed8:5210.89:359.42:33-0.23:19-1.37:084:32Full Moon19Wed
20Thu9:4911.110:319.73:30-0.54:15-1.77:074:34Full Moon20Thu
21Fri10:4411.311:259.94:25-0.75:08-1.97:074:35Full Moon21Fri
22Sat11:3711.35:19-0.86:00-1.87:064:36Full Moon22Sat
23Sun12:1710.012:3011.16:12-0.86:50-1.67:054:37Waning Gibbous23Sun
24Mon1:079.91:2210.67:05-0.67:40-1.27:044:39Waning Gibbous24Mon
25Tue1:589.72:1510.07:59-0.38:31-0.77:044:40Waning Gibbous25Tue
26Wed2:509.53:109.48:550.19:23-0.17:034:41Third Quarter26Wed
27Thu3:449.24:088.79:530.510:160.57:024:43Third Quarter27Thu
28Fri4:388.95:078.210:530.811:111.07:014:44Third Quarter28Fri
29Sat5:338.76:087.911:550.97:004:45Third Quarter29Sat
30Sun6:308.67:097.712:081.312:581.06:594:47Waning Crescent30Sun
31Mon7:258.78:067.81:071.51:550.86:584:48Waning Crescent31Mon
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 8:14 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 neap phase. Tonight's moon is 52% 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 minimum.

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 Third Quarter (52% illuminated). This places South Harpswell, ME in a neap tide cycle, so tidal ranges are near their weekly minimum 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