Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in South Yarmouth, MA.
Next low tide : in 6h 20m at 11:07 am (-0.2 ft)
Next high tide : 5:29 pm (2.9 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:06 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Apr 2029

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:573.53:323.29:17-0.69:34-0.36:227:06Waning Gibbous1Sun
2Mon3:483.44:253.010:09-0.510:25-0.16:207:07Waning Gibbous2Mon
3Tue4:403.35:212.911:03-0.311:190.06:197:08Waning Gibbous3Tue
4Wed5:353.16:202.712:00-0.16:177:09Third Quarter4Wed
5Thu6:363.07:242.612:170.21:010.06:157:10Third Quarter5Thu
6Fri7:412.88:302.51:190.42:050.26:147:11Third Quarter6Fri
7Sat8:482.79:352.52:240.43:090.36:127:12Third Quarter7Sat
8Sun9:542.710:352.63:290.54:110.36:107:13Waning Crescent8Sun
9Mon10:542.711:262.64:320.45:060.36:097:15Waning Crescent9Mon
10Tue11:462.75:270.35:520.36:077:16Waning Crescent10Tue
11Wed12:092.712:302.76:140.26:310.36:067:17Waning Crescent11Wed
12Thu12:472.81:102.76:540.17:080.36:047:18New Moon12Thu
13Fri1:222.81:472.77:320.17:430.36:027:19New Moon13Fri
14Sat1:562.92:252.78:100.18:190.36:017:20New Moon14Sat
15Sun2:312.93:022.78:470.18:560.35:597:21New Moon15Sun
16Mon3:072.93:402.69:250.19:340.35:587:22Waxing Crescent16Mon
17Tue3:442.94:192.610:050.110:130.45:567:23Waxing Crescent17Tue
18Wed4:232.85:002.510:460.210:550.45:557:24Waxing Crescent18Wed
19Thu5:052.85:452.511:310.211:410.55:537:25Waxing Crescent19Thu
20Fri5:512.86:352.512:200.25:527:27First Quarter20Fri
21Sat6:442.87:282.512:330.51:130.25:507:28First Quarter21Sat
22Sun7:412.88:242.61:300.52:080.25:497:29First Quarter22Sun
23Mon8:412.89:202.72:290.43:040.25:477:30Waxing Gibbous23Mon
24Tue9:422.910:162.93:290.24:000.15:467:31Waxing Gibbous24Tue
25Wed10:422.911:103.14:290.04:560.05:447:32Waxing Gibbous25Wed
26Thu11:403.05:27-0.25:49-0.15:437:33Waxing Gibbous26Thu
27Fri12:023.312:353.16:22-0.46:40-0.25:417:34Full Moon27Fri
28Sat12:533.41:283.17:15-0.57:31-0.25:407:35Full Moon28Sat
29Sun1:433.52:223.18:07-0.58:22-0.25:397:36Full Moon29Sun
30Mon2:353.53:163.18:59-0.59:13-0.15:377:37Waning Gibbous30Mon
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 2:18 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 27% 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 Crescent (27% 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