Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Thursday, June 25, 2026
The tide is currently falling in South Yarmouth, MA.
Next low tide : in 4h 17m at 4:31 pm (0.5 ft)
Next high tide : 10:54 pm (2.8 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:07 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Jun 2039

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:322.79:082.82:230.42:510.25:088:08First Quarter1Wed
2Thu9:292.810:003.03:190.33:440.15:088:09Waxing Gibbous2Thu
3Fri10:272.910:523.14:170.14:370.15:078:10Waxing Gibbous3Fri
4Sat11:242.911:443.35:13-0.15:310.05:078:10Waxing Gibbous4Sat
5Sun12:193.06:08-0.36:23-0.15:078:11Full Moon5Sun
6Mon12:353.51:143.07:01-0.47:15-0.15:068:12Full Moon6Mon
7Tue1:263.52:083.07:54-0.58:07-0.15:068:12Full Moon7Tue
8Wed2:203.53:043.08:48-0.59:00-0.15:068:13Waning Gibbous8Wed
9Thu3:143.54:003.09:41-0.49:550.05:068:13Waning Gibbous9Thu
10Fri4:103.44:572.910:35-0.310:500.15:058:14Waning Gibbous10Fri
11Sat5:073.25:542.911:31-0.211:490.25:058:15Waning Gibbous11Sat
12Sun6:063.16:542.812:280.05:058:15Third Quarter12Sun
13Mon7:072.97:522.812:500.31:260.15:058:16Third Quarter13Mon
14Tue8:092.88:492.81:520.42:220.25:058:16Third Quarter14Tue
15Wed9:102.79:432.82:530.43:170.35:058:16Waning Crescent15Wed
16Thu10:092.610:342.83:530.44:090.45:058:17Waning Crescent16Thu
17Fri11:052.611:212.84:500.34:590.45:058:17Waning Crescent17Fri
18Sat11:542.65:400.35:440.55:058:17Waning Crescent18Sat
19Sun12:042.912:392.66:250.26:270.55:068:18New Moon19Sun
20Mon12:432.91:202.67:060.27:070.55:068:18New Moon20Mon
21Tue1:222.92:012.67:450.17:470.55:068:18New Moon21Tue
22Wed2:012.92:412.68:240.18:270.55:068:18New Moon22Wed
23Thu2:402.93:212.69:040.19:080.55:068:19New Moon23Thu
24Fri3:202.94:012.69:430.19:490.55:078:19Waxing Crescent24Fri
25Sat4:002.94:412.610:230.110:320.55:078:19Waxing Crescent25Sat
26Sun4:422.95:222.611:050.111:170.45:078:19Waxing Crescent26Sun
27Mon5:262.96:062.711:490.15:088:19First Quarter27Mon
28Tue6:142.86:532.712:060.412:360.15:088:19First Quarter28Tue
29Wed7:072.87:422.812:590.41:260.25:098:19First Quarter29Wed
30Thu8:022.88:332.91:540.32:170.25:098:19First Quarter30Thu
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 7:42 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 spring phase. Tonight's moon is 84% 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 (84% 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