Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Saturday, July 25, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide (tomorrow) : 5:39 am (0.4 ft)
Next high tide : in 6h 00m at 11:09 pm (2.8 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 5:28 am
Moon phase : Waxing Gibbous (86% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Nov 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue11:432.85:230.35:470.37:135:35Waning Crescent1Tue
2Wed12:042.712:232.96:060.36:310.27:145:33New Moon2Wed
3Thu12:462.712:592.96:440.37:110.17:155:32New Moon3Thu
4Fri1:252.71:342.97:210.37:490.17:175:31New Moon4Fri
5Sat2:032.72:082.97:570.38:270.17:185:30New Moon5Sat
6Sun1:412.61:442.97:340.48:050.16:194:29New Moon6Sun
7Mon2:202.62:212.98:110.48:440.26:204:28Waxing Crescent7Mon
8Tue3:002.53:002.88:510.59:250.26:214:26Waxing Crescent8Tue
9Wed3:412.43:422.89:320.610:090.36:234:25Waxing Crescent9Wed
10Thu4:262.44:272.710:160.610:560.36:244:24Waxing Crescent10Thu
11Fri5:142.45:172.711:060.711:470.36:254:23First Quarter11Fri
12Sat6:062.46:122.712:010.66:264:22First Quarter12Sat
13Sun7:002.47:102.712:410.312:590.66:284:22First Quarter13Sun
14Mon7:532.68:082.71:340.31:570.46:294:21Waxing Gibbous14Mon
15Tue8:462.79:062.82:280.22:550.36:304:20Waxing Gibbous15Tue
16Wed9:373.010:032.93:210.13:520.06:314:19Waxing Gibbous16Wed
17Thu10:273.210:573.04:120.04:46-0.26:324:18Waxing Gibbous17Thu
18Fri11:163.411:503.15:03-0.15:39-0.46:344:17Full Moon18Fri
19Sat12:053.55:53-0.26:30-0.56:354:17Full Moon19Sat
20Sun12:423.112:553.56:42-0.27:22-0.56:364:16Full Moon20Sun
21Mon1:363.01:473.57:33-0.18:15-0.56:374:15Waning Gibbous21Mon
22Tue2:303.02:403.48:26-0.19:08-0.46:384:15Waning Gibbous22Tue
23Wed3:262.93:363.39:200.110:03-0.26:394:14Waning Gibbous23Wed
24Thu4:242.84:343.110:160.211:01-0.16:404:14Third Quarter24Thu
25Fri5:242.75:362.911:170.36:424:13Third Quarter25Fri
26Sat6:272.66:412.812:010.112:210.46:434:13Third Quarter26Sat
27Sun7:282.67:452.71:020.21:250.46:444:12Third Quarter27Sun
28Mon8:262.68:462.61:590.32:280.46:454:12Waning Crescent28Mon
29Tue9:192.79:442.62:540.33:270.46:464:11Waning Crescent29Tue
30Wed10:072.710:352.63:450.44:200.36:474:11Waning Crescent30Wed
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 2:24 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 Yarmouth, MA?

South Yarmouth, MA is currently in a spring phase. Tonight's moon is 86% 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 Waxing Gibbous (86% 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