Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in South Yarmouth, MA.
Next low tide : in 2h 02m at 2:45 pm (0.4 ft)
Next high tide : 9:10 pm (2.8 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:06 am
Moon phase : First Quarter (67% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Jul 2019

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:362.76:250.06:330.25:108:19New Moon1Mon
2Tue12:453.21:242.87:13-0.17:210.15:108:18New Moon2Tue
3Wed1:323.32:142.88:01-0.28:100.15:118:18New Moon3Wed
4Thu2:223.43:042.98:50-0.39:010.05:118:18Waxing Crescent4Thu
5Fri3:143.43:563.09:40-0.39:540.05:128:18Waxing Crescent5Fri
6Sat4:073.34:483.010:31-0.310:480.05:128:18Waxing Crescent6Sat
7Sun5:023.35:423.011:23-0.311:450.05:138:17Waxing Crescent7Sun
8Mon5:593.16:393.012:18-0.25:148:17First Quarter8Mon
9Tue7:003.07:373.012:450.11:14-0.15:148:17First Quarter9Tue
10Wed8:022.98:353.01:470.12:110.05:158:16First Quarter10Wed
11Thu9:062.89:333.02:490.13:090.15:168:16Waxing Gibbous11Thu
12Fri10:102.710:313.03:510.14:070.25:178:15Waxing Gibbous12Fri
13Sat11:112.711:263.14:530.15:030.35:178:15Waxing Gibbous13Sat
14Sun12:082.75:490.05:560.35:188:14Waxing Gibbous14Sun
15Mon12:173.112:582.76:400.06:450.35:198:13Full Moon15Mon
16Tue1:033.11:442.77:260.07:310.35:208:13Full Moon16Tue
17Wed1:473.02:272.78:090.08:140.35:218:12Full Moon17Wed
18Thu2:293.03:082.78:500.08:570.35:218:11Full Moon18Thu
19Fri3:113.03:482.79:300.19:390.45:228:11Waning Gibbous19Fri
20Sat3:522.94:272.710:090.110:210.45:238:10Waning Gibbous20Sat
21Sun4:332.95:062.710:490.211:040.45:248:09Waning Gibbous21Sun
22Mon5:152.85:472.711:300.211:490.45:258:08Waning Gibbous22Mon
23Tue6:002.76:302.712:120.35:268:08Third Quarter23Tue
24Wed6:472.67:152.712:370.512:570.45:278:07Third Quarter24Wed
25Thu7:372.58:022.71:280.51:440.45:288:06Third Quarter25Thu
26Fri8:292.58:502.82:190.42:330.45:298:05Third Quarter26Fri
27Sat9:232.59:412.83:130.43:250.45:308:04Waning Crescent27Sat
28Sun10:192.510:343.04:080.34:180.45:318:03Waning Crescent28Sun
29Mon11:142.611:273.15:030.15:120.35:328:02Waning Crescent29Mon
30Tue12:072.75:560.06:060.25:338:01New Moon30Tue
31Wed12:193.212:592.86:48-0.26:580.05:348:00New Moon31Wed
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 5:57 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 transitional phase. Tonight's moon is 67% 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 First Quarter (67% 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