Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Friday, July 24, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide (tomorrow) : 4:47 am (0.4 ft)
Next high tide : in 4h 02m at 10:16 pm (2.7 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 5:27 am
Moon phase : Waxing Gibbous (79% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Mar 2077

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:522.96:322.612:140.06:135:31First Quarter1Mon
2Tue6:522.87:372.412:300.31:170.16:125:32First Quarter2Tue
3Wed7:552.78:452.41:310.42:230.26:105:34Waxing Gibbous3Wed
4Thu9:002.79:502.42:330.53:290.26:095:35Waxing Gibbous4Thu
5Fri10:032.710:472.43:360.54:290.26:075:36Waxing Gibbous5Fri
6Sat10:562.711:332.54:330.45:180.26:055:37Waxing Gibbous6Sat
7Sun11:412.85:210.35:580.16:045:38Full Moon7Sun
8Mon12:122.612:212.86:030.36:350.16:025:39Full Moon8Mon
9Tue12:482.612:592.86:420.27:090.16:005:41Full Moon9Tue
10Wed1:232.71:352.87:200.17:430.15:595:42Full Moon10Wed
11Thu1:562.72:112.87:570.18:180.15:575:43Full Moon11Thu
12Fri2:302.82:482.78:350.18:530.15:555:44Waning Gibbous12Fri
13Sat3:042.83:252.79:130.19:290.25:545:45Waning Gibbous13Sat
14Sun4:392.85:052.610:530.211:080.36:526:46Waning Gibbous14Sun
15Mon5:182.75:482.511:370.211:510.46:506:47Waning Gibbous15Mon
16Tue6:012.76:382.412:260.26:496:49Third Quarter16Tue
17Wed6:512.77:332.312:390.41:210.36:476:50Third Quarter17Wed
18Thu7:482.78:342.31:350.52:210.36:456:51Third Quarter18Thu
19Fri8:492.89:372.42:350.53:220.26:446:52Waning Crescent19Fri
20Sat9:542.910:402.63:380.44:240.16:426:53Waning Crescent20Sat
21Sun10:573.011:382.84:410.25:23-0.16:406:54Waning Crescent21Sun
22Mon11:563.25:400.06:17-0.36:386:55Waning Crescent22Mon
23Tue12:313.012:513.36:36-0.27:07-0.46:376:56New Moon23Tue
24Wed1:213.21:443.37:29-0.47:56-0.46:356:57New Moon24Wed
25Thu2:103.32:363.38:20-0.58:44-0.46:336:59New Moon25Thu
26Fri2:593.43:283.39:12-0.59:33-0.36:327:00Waxing Crescent26Fri
27Sat3:473.34:193.110:03-0.510:21-0.26:307:01Waxing Crescent27Sat
28Sun4:363.35:122.910:55-0.311:110.06:287:02Waxing Crescent28Sun
29Mon5:273.16:082.711:49-0.16:277:03First Quarter29Mon
30Tue6:222.97:082.612:050.212:470.06:257:04First Quarter30Tue
31Wed7:212.88:112.41:020.41:490.26:237:05First Quarter31Wed
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 1:31 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 transitional phase. Tonight's moon is 79% 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 shifting between spring and neap.

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 (79% illuminated). This places South Yarmouth, MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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