Tides Today & Tomorrow in South Harpswell, ME

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently rising in South Harpswell, ME.
Next low tide : 11:36 am (0.6 ft)
Next high tide : in 4h 48m at 5:29 am (8.7 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:06 am
Moon phase : Third Quarter (41% illuminated)
Tide Station Location : Station #8417647
Common Questions About Tides

South Harpswell, ME Tides - May 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:209.712:499.06:350.06:410.85:327:42Full Moon1Sat
2Sun12:539.71:268.87:100.07:151.05:307:43Full Moon2Sun
3Mon1:279.52:028.77:450.17:501.25:297:44Waning Gibbous3Mon
4Tue2:019.42:408.48:220.38:281.45:287:45Waning Gibbous4Tue
5Wed2:389.23:218.39:010.59:091.65:267:46Waning Gibbous5Wed
6Thu3:209.04:058.19:440.69:551.75:257:47Waning Gibbous6Thu
7Fri4:068.94:548.110:310.810:461.75:247:49Third Quarter7Fri
8Sat4:588.85:468.211:220.811:401.65:227:50Third Quarter8Sat
9Sun5:538.86:398.412:150.75:217:51Third Quarter9Sun
10Mon6:528.97:358.912:391.41:110.55:207:52Waning Crescent10Mon
11Tue7:539.28:299.51:390.92:070.25:197:53Waning Crescent11Tue
12Wed8:529.59:2010.12:380.33:01-0.15:187:54Waning Crescent12Wed
13Thu9:489.910:1010.83:34-0.43:53-0.55:167:55Waning Crescent13Thu
14Fri10:4110.211:0011.34:27-1.14:43-0.85:157:56New Moon14Fri
15Sat11:3510.411:5011.65:19-1.65:34-0.95:147:58New Moon15Sat
16Sun12:2910.56:12-1.96:26-0.95:137:59New Moon16Sun
17Mon12:4211.71:2310.47:05-2.07:18-0.75:128:00Waxing Crescent17Mon
18Tue1:3411.52:1810.27:58-1.88:12-0.35:118:01Waxing Crescent18Tue
19Wed2:2911.23:169.88:54-1.49:100.15:108:02Waxing Crescent19Wed
20Thu3:2710.74:179.59:53-0.910:120.55:098:03First Quarter20Thu
21Fri4:2910.15:199.310:54-0.411:170.85:088:04First Quarter21Fri
22Sat5:339.66:209.111:560.05:078:05First Quarter22Sat
23Sun6:379.27:209.112:231.012:570.45:078:06First Quarter23Sun
24Mon7:418.98:179.21:291.11:570.65:068:07Waxing Gibbous24Mon
25Tue8:418.89:089.32:310.92:510.75:058:08Waxing Gibbous25Tue
26Wed9:348.89:549.53:250.73:390.85:048:09Waxing Gibbous26Wed
27Thu10:228.710:359.64:130.54:210.95:048:10Waxing Gibbous27Thu
28Fri11:068.711:149.74:560.35:001.05:038:11Full Moon28Fri
29Sat11:478.711:519.75:350.25:371.05:028:12Full Moon29Sat
30Sun12:268.76:120.16:131.15:028:12Full Moon30Sun
31Mon12:269.71:048.66:470.16:481.25:018:13Full Moon31Mon
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 8:32 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 neap phase. Tonight's moon is 41% 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 (41% 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