Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Saturday, June 27, 2026
The tide is currently rising in South Harpswell, ME.
Next low tide (tomorrow) : 5:04 am (0.5 ft)
Next high tide : in 3h 05m at 10:32 pm (9.4 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:00 am
Moon phase : Waxing Gibbous (95% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Apr 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:499.011:099.24:390.54:570.56:217:06New Moon1Fri
2Sat11:299.011:449.35:180.35:320.56:197:07New Moon2Sat
3Sun12:079.05:550.26:040.66:187:08New Moon3Sun
4Mon12:179.412:428.96:290.16:360.76:167:09New Moon4Mon
5Tue12:499.51:178.87:020.07:080.86:147:11Waxing Crescent5Tue
6Wed1:209.41:518.67:360.17:420.96:127:12Waxing Crescent6Wed
7Thu1:539.42:278.48:120.28:181.16:107:13Waxing Crescent7Thu
8Fri2:299.33:078.28:520.39:001.26:097:14Waxing Crescent8Fri
9Sat3:119.23:538.19:370.59:471.46:077:15First Quarter9Sat
10Sun4:009.14:458.010:280.610:401.46:057:17First Quarter10Sun
11Mon4:559.05:428.111:230.611:391.36:037:18First Quarter11Mon
12Tue5:559.16:438.412:220.56:027:19First Quarter12Tue
13Wed7:009.27:448.912:421.11:230.36:007:20Waxing Gibbous13Wed
14Thu8:069.58:429.51:480.62:23-0.15:587:21Waxing Gibbous14Thu
15Fri9:079.99:3610.32:51-0.13:18-0.55:577:23Waxing Gibbous15Fri
16Sat10:0410.210:2710.93:49-0.84:11-0.85:557:24Full Moon16Sat
17Sun10:5910.511:1711.34:43-1.45:01-1.05:537:25Full Moon17Sun
18Mon11:5310.55:36-1.85:52-1.05:527:26Full Moon18Mon
19Tue12:0711.512:4510.46:28-2.06:42-0.85:507:27Full Moon19Tue
20Wed12:5711.51:3810.27:20-1.87:33-0.55:487:29Waning Gibbous20Wed
21Thu1:4811.22:319.78:12-1.58:250.05:477:30Waning Gibbous21Thu
22Fri2:4110.73:279.39:07-0.99:200.55:457:31Waning Gibbous22Fri
23Sat3:3710.14:268.810:04-0.310:201.05:447:32Third Quarter23Sat
24Sun4:389.55:278.511:050.211:231.35:427:33Third Quarter24Sun
25Mon5:409.06:288.412:060.65:417:35Third Quarter25Mon
26Tue6:438.77:268.412:281.51:060.95:397:36Third Quarter26Tue
27Wed7:458.58:218.61:331.52:031.05:387:37Waning Crescent27Wed
28Thu8:428.49:108.82:331.32:551.15:367:38Waning Crescent28Thu
29Fri9:338.59:539.13:241.03:391.05:357:39Waning Crescent29Fri
30Sat10:188.610:329.34:090.74:181.05:337:40Waning Crescent30Sat
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 1:48 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 spring phase. Tonight's moon is 95% 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 (95% 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