Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Monday, June 29, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide (tomorrow) : 8:11 am (0.2 ft)
Next high tide (tomorrow) : in 5h 40m at 1:46 am (2.9 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:09 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Mar 2045

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:523.111:312.84:330.05:16-0.26:145:31Waxing Gibbous1Wed
2Thu11:493.25:31-0.16:07-0.46:125:32Full Moon2Thu
3Fri12:223.012:423.36:25-0.36:56-0.46:115:33Full Moon3Fri
4Sat1:113.11:333.37:16-0.47:43-0.46:095:35Full Moon4Sat
5Sun1:583.22:243.28:07-0.48:29-0.36:075:36Waning Gibbous5Sun
6Mon2:453.23:133.08:56-0.49:15-0.26:065:37Waning Gibbous6Mon
7Tue3:313.14:022.89:45-0.210:020.06:045:38Waning Gibbous7Tue
8Wed4:173.04:532.610:36-0.110:510.26:025:39Third Quarter8Wed
9Thu5:072.85:482.511:310.111:440.46:015:40Third Quarter9Thu
10Fri6:022.76:482.312:290.35:595:41Third Quarter10Fri
11Sat7:012.67:502.212:400.51:300.45:575:43Third Quarter11Sat
12Sun9:032.59:532.21:400.63:330.46:566:44Waning Crescent12Sun
13Mon10:052.510:522.33:400.64:330.46:546:45Waning Crescent13Mon
14Tue11:022.611:412.44:390.65:250.46:526:46Waning Crescent14Tue
15Wed11:512.75:310.56:070.36:516:47Waning Crescent15Wed
16Thu12:222.512:332.76:160.36:450.26:496:48Waning Crescent16Thu
17Fri12:592.61:122.86:570.27:200.16:476:49New Moon17Fri
18Sat1:342.71:492.87:350.17:550.16:466:51New Moon18Sat
19Sun2:072.82:272.88:140.08:300.16:446:52New Moon19Sun
20Mon2:422.93:042.88:520.09:070.16:426:53Waxing Crescent20Mon
21Tue3:172.93:442.89:320.09:450.16:416:54Waxing Crescent21Tue
22Wed3:543.04:252.710:140.010:250.26:396:55Waxing Crescent22Wed
23Thu4:353.05:102.610:590.011:100.36:376:56Waxing Crescent23Thu
24Fri5:212.96:012.511:500.16:356:57First Quarter24Fri
25Sat6:142.97:002.412:020.312:480.16:346:58First Quarter25Sat
26Sun7:152.88:042.41:010.41:500.26:326:59First Quarter26Sun
27Mon8:212.89:112.52:050.42:540.16:307:00First Quarter27Mon
28Tue9:302.910:172.63:110.33:580.16:297:02Waxing Gibbous28Tue
29Wed10:372.911:182.84:180.24:590.06:277:03Waxing Gibbous29Wed
30Thu11:393.05:200.05:54-0.16:257:04Waxing Gibbous30Thu
31Fri12:113.012:353.16:17-0.16:45-0.26:247:05Full Moon31Fri
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 4:58 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 100% 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 (100% 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