Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in South Yarmouth, MA.
Next low tide : in 2h 28m at 1:52 pm (0.2 ft)
Next high tide : 8:17 pm (2.8 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:06 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Sep 2034

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:133.23:373.29:25-0.29:50-0.26:077:14Waning Gibbous1Fri
2Sat4:013.24:243.210:11-0.210:40-0.26:087:12Waning Gibbous2Sat
3Sun4:523.15:143.211:00-0.111:33-0.26:097:10Waning Gibbous3Sun
4Mon5:463.06:093.211:530.06:107:09Third Quarter4Mon
5Tue6:452.97:083.112:31-0.112:500.16:117:07Third Quarter5Tue
6Wed7:482.88:103.11:320.01:510.26:127:05Third Quarter6Wed
7Thu8:532.79:153.02:350.02:530.26:137:04Waning Crescent7Thu
8Fri9:592.710:203.03:380.03:560.26:147:02Waning Crescent8Fri
9Sat11:032.811:213.14:410.04:580.26:157:00Waning Crescent9Sat
10Sun11:592.95:390.05:550.16:166:59Waning Crescent10Sun
11Mon12:163.112:482.96:300.06:460.16:176:57New Moon11Mon
12Tue1:053.11:333.07:16-0.17:330.06:186:55New Moon12Tue
13Wed1:513.12:153.07:590.08:180.06:196:53New Moon13Wed
14Thu2:343.02:553.08:400.09:000.06:206:52Waxing Crescent14Thu
15Fri3:162.93:342.99:200.19:420.16:216:50Waxing Crescent15Fri
16Sat3:572.84:132.910:000.210:240.26:226:48Waxing Crescent16Sat
17Sun4:392.74:532.810:400.311:080.26:236:46Waxing Crescent17Sun
18Mon5:222.65:372.811:230.411:550.36:246:45Waxing Crescent18Mon
19Tue6:092.56:242.712:100.56:256:43First Quarter19Tue
20Wed7:002.57:152.712:450.41:000.66:266:41First Quarter20Wed
21Thu7:542.48:082.61:370.41:530.66:276:39First Quarter21Thu
22Fri8:482.49:032.72:310.42:470.66:286:38First Quarter22Fri
23Sat9:432.59:572.73:240.43:410.56:296:36Waxing Gibbous23Sat
24Sun10:352.610:502.94:170.34:350.46:306:34Waxing Gibbous24Sun
25Mon11:232.711:403.05:070.25:260.26:316:33Waxing Gibbous25Mon
26Tue12:092.95:550.06:150.06:326:31Full Moon26Tue
27Wed12:273.112:523.16:40-0.17:02-0.26:336:29Full Moon27Wed
28Thu1:143.21:373.27:26-0.27:50-0.36:346:27Full Moon28Thu
29Fri2:013.32:233.48:12-0.38:39-0.46:356:26Full Moon29Fri
30Sat2:513.33:113.48:59-0.39:29-0.46:366:24Waning Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447504)

Common Questions About South Yarmouth, MA Tides

Show All
What time does the tide turn (slack tide) in South Yarmouth, MA today?

Slack tide in South Yarmouth, MA is approximately 5:04 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 Yarmouth, MA?

South Yarmouth, MA is currently in a neap phase. Tonight's moon is 58% 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 Yarmouth, MA 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 Yarmouth, MA?

Tide predictions for South Yarmouth, MA 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 Yarmouth, MA?

Tide data for South Yarmouth, MA is sourced from NOAA Station #8447504. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447504.

What is the moon phase in South Yarmouth, MA tonight?

Tonight the moon over South Yarmouth, MA is First Quarter (58% illuminated). This places South Yarmouth, MA 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