Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Monday, June 22, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide (tomorrow) : 2:27 am (0.3 ft)
Next high tide : in 1h 23m at 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 - Aug 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:032.75:450.05:530.25:357:58Waxing Gibbous1Sat
2Sun12:133.112:572.76:39-0.16:460.25:367:57Full Moon2Sun
3Mon1:043.11:462.77:28-0.17:350.25:377:55Full Moon3Mon
4Tue1:523.12:312.88:14-0.18:220.25:387:54Full Moon4Tue
5Wed2:383.13:142.88:560.09:060.25:397:53Waning Gibbous5Wed
6Thu3:223.03:552.89:370.09:500.35:407:52Waning Gibbous6Thu
7Fri4:042.94:342.710:170.110:330.35:417:51Waning Gibbous7Fri
8Sat4:462.85:142.710:580.211:180.45:427:49Waning Gibbous8Sat
9Sun5:302.75:562.711:390.35:437:48Third Quarter9Sun
10Mon6:162.66:402.712:050.412:230.45:447:47Third Quarter10Mon
11Tue7:062.57:272.712:540.51:100.55:457:45Third Quarter11Tue
12Wed7:572.48:162.61:460.51:580.65:467:44Third Quarter12Wed
13Thu8:512.49:072.72:390.52:490.65:477:43Third Quarter13Thu
14Fri9:472.410:002.73:330.43:420.65:487:41Waning Crescent14Fri
15Sat10:432.410:532.84:280.44:360.55:507:40Waning Crescent15Sat
16Sun11:352.511:443.05:210.25:280.45:517:38Waning Crescent16Sun
17Mon12:242.66:100.16:180.35:527:37New Moon17Mon
18Tue12:333.11:102.86:58-0.17:070.15:537:35New Moon18Tue
19Wed1:213.21:562.97:44-0.27:560.05:547:34New Moon19Wed
20Thu2:093.32:433.08:30-0.38:46-0.15:557:32New Moon20Thu
21Fri2:593.33:313.19:17-0.39:36-0.25:567:31Waxing Crescent21Fri
22Sat3:503.34:193.210:04-0.310:28-0.25:577:29Waxing Crescent22Sat
23Sun4:423.25:093.210:53-0.211:22-0.25:587:28Waxing Crescent23Sun
24Mon5:363.16:023.211:45-0.15:597:26First Quarter24Mon
25Tue6:352.96:593.112:20-0.112:400.06:007:25First Quarter25Tue
26Wed7:372.87:593.11:200.01:390.26:017:23First Quarter26Wed
27Thu8:422.79:013.02:230.12:390.36:027:21Waxing Gibbous27Thu
28Fri9:492.610:063.03:270.13:410.46:037:20Waxing Gibbous28Fri
29Sat10:542.611:083.04:320.14:440.46:047:18Waxing Gibbous29Sat
30Sun11:532.65:320.15:410.36:057:16Waxing Gibbous30Sun
31Mon12:033.012:432.76:240.16:330.36:067:15Full Moon31Mon
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 11:22 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