Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in South Harpswell, ME.
Next low tide : 12:29 pm (0.7 ft)
Next high tide : in 14m at 6:27 am (8.5 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:07 am
Moon phase : Waning Crescent (30% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - Jan 2057

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon6:429.87:198.912:200.21:05-0.27:134:14Waning Crescent1Mon
2Tue7:4110.38:229.11:200.12:07-0.77:134:14Waning Crescent2Tue
3Wed8:3810.79:219.42:19-0.13:05-1.27:134:15Waning Crescent3Wed
4Thu9:3311.110:179.63:15-0.34:00-1.57:134:16New Moon4Thu
5Fri10:2711.211:119.74:09-0.54:54-1.77:134:17New Moon5Fri
6Sat11:2111.25:03-0.55:47-1.77:134:18New Moon6Sat
7Sun12:049.712:1411.05:57-0.46:38-1.57:134:19Waxing Crescent7Sun
8Mon12:559.61:0510.66:49-0.27:28-1.17:124:21Waxing Crescent8Mon
9Tue1:479.41:5810.17:420.18:19-0.67:124:22Waxing Crescent9Tue
10Wed2:399.22:539.58:380.49:11-0.17:124:23First Quarter10Wed
11Thu3:338.93:498.99:360.810:030.47:114:24First Quarter11Thu
12Fri4:268.84:478.310:351.010:560.97:114:25First Quarter12Fri
13Sat5:198.65:468.011:361.111:501.37:114:26First Quarter13Sat
14Sun6:138.66:477.712:371.17:104:27First Quarter14Sun
15Mon7:078.67:447.712:461.51:351.07:104:29Waxing Gibbous15Mon
16Tue7:588.88:367.81:401.52:260.77:094:30Waxing Gibbous16Tue
17Wed8:449.09:228.02:281.43:120.57:084:31Waxing Gibbous17Wed
18Thu9:279.210:058.13:111.33:530.27:084:32Waxing Gibbous18Thu
19Fri10:079.410:458.33:511.14:320.07:074:34Full Moon19Fri
20Sat10:469.611:238.54:300.95:08-0.27:064:35Full Moon20Sat
21Sun11:239.711:598.65:070.85:43-0.37:064:36Full Moon21Sun
22Mon12:009.85:450.66:19-0.47:054:38Full Moon22Mon
23Tue12:348.812:389.96:240.46:56-0.57:044:39Waning Gibbous23Tue
24Wed1:118.91:189.87:060.37:36-0.57:034:40Waning Gibbous24Wed
25Thu1:519.12:029.67:510.38:19-0.47:024:42Waning Gibbous25Thu
26Fri2:359.22:529.38:410.29:06-0.27:014:43Third Quarter26Fri
27Sat3:239.43:479.09:350.29:580.07:004:44Third Quarter27Sat
28Sun4:179.54:488.710:340.210:540.36:594:46Third Quarter28Sun
29Mon5:159.65:548.511:380.111:550.46:584:47Third Quarter29Mon
30Tue6:189.77:048.512:47-0.16:574:48Waning Crescent30Tue
31Wed7:2310.08:118.71:000.51:54-0.56:564:50Waning Crescent31Wed
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 9:28 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 30% 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 Crescent (30% 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