Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Tuesday, July 28, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide : 7:05 pm (0.5 ft)
Next high tide : in 5h 44m at 1:21 pm (2.5 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 5:31 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Oct 2080

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:562.83:073.08:570.29:250.06:386:21Waning Gibbous1Tue
2Wed3:362.83:463.09:360.210:080.06:396:19Waning Gibbous2Wed
3Thu4:192.74:283.010:180.310:550.16:406:17Waning Gibbous3Thu
4Fri5:062.65:153.011:050.311:470.16:426:16Third Quarter4Fri
5Sat5:592.56:103.011:570.46:436:14Third Quarter5Sat
6Sun6:592.57:122.912:450.212:580.56:446:12Third Quarter6Sun
7Mon8:032.58:182.91:470.22:020.56:456:11Third Quarter7Mon
8Tue9:092.69:262.92:510.23:080.46:466:09Waning Crescent8Tue
9Wed10:132.710:323.03:530.14:140.36:476:07Waning Crescent9Wed
10Thu11:122.911:333.14:530.05:150.16:486:06Waning Crescent10Thu
11Fri12:053.05:47-0.16:12-0.16:496:04New Moon11Fri
12Sat12:283.112:533.26:37-0.17:04-0.26:506:03New Moon12Sat
13Sun1:203.11:393.37:24-0.17:53-0.36:516:01New Moon13Sun
14Mon2:093.12:243.38:100.08:41-0.36:535:59New Moon14Mon
15Tue2:583.03:083.28:550.19:28-0.26:545:58Waxing Crescent15Tue
16Wed3:462.93:533.19:400.210:15-0.16:555:56Waxing Crescent16Wed
17Thu4:332.74:393.010:260.311:040.16:565:55Waxing Crescent17Thu
18Fri5:222.65:272.811:130.511:550.36:575:53Waxing Crescent18Fri
19Sat6:152.46:202.712:050.66:585:52First Quarter19Sat
20Sun7:112.47:182.612:500.41:010.76:595:50First Quarter20Sun
21Mon8:092.38:172.61:470.51:590.77:015:49First Quarter21Mon
22Tue9:052.49:142.62:420.52:570.77:025:47First Quarter22Tue
23Wed9:572.410:092.63:350.53:520.67:035:46Waxing Gibbous23Wed
24Thu10:452.611:002.74:240.44:440.57:045:45Waxing Gibbous24Thu
25Fri11:272.711:452.75:090.45:310.47:055:43Waxing Gibbous25Fri
26Sat12:062.85:500.36:140.27:065:42Waxing Gibbous26Sat
27Sun12:262.812:422.96:280.26:550.17:085:40Full Moon27Sun
28Mon1:072.81:183.07:070.27:360.07:095:39Full Moon28Mon
29Tue1:472.81:553.17:460.28:18-0.17:105:38Full Moon29Tue
30Wed2:292.82:363.28:270.29:02-0.17:115:36Waning Gibbous30Wed
31Thu3:132.83:193.29:100.29:48-0.17:125:35Waning Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447504)

Common Questions About South Yarmouth, MA Tides

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

Slack tide in South Yarmouth, MA is approximately 4:13 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 spring phase. Tonight's moon is 99% 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 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 Full Moon (99% illuminated). This places South Yarmouth, MA 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