41.6650’ N, 70.1833’ W

South Yarmouth, MA

59°
H 60°
L 50°
NNE
21mph
Low tide
2:57 pm

Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Tuesday, October 20, 2026
The tide is currently falling in South Yarmouth, MA.
Next low tide : in 5h 23m at 2:57 pm (0.7 ft)
Next high tide : 9:13 pm (2.6 ft)
Sunset today : 5:52 pm
Sunrise tomorrow : 6:58 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Apr 2014

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:333.33:033.18:46-0.49:04-0.26:237:05Waxing Crescent1Tue
2Wed3:193.23:513.09:34-0.39:50-0.16:217:07Waxing Crescent2Wed
3Thu4:053.14:382.910:21-0.210:360.16:197:08Waxing Crescent3Thu
4Fri4:513.05:262.711:09-0.111:240.26:187:09Waxing Crescent4Fri
5Sat5:382.96:172.611:590.16:167:10First Quarter5Sat
6Sun6:302.77:112.512:140.412:520.36:147:11First Quarter6Sun
7Mon7:252.68:072.41:080.51:470.46:137:12First Quarter7Mon
8Tue8:222.69:042.42:040.62:430.46:117:13First Quarter8Tue
9Wed9:202.59:592.53:010.63:370.46:097:14Waxing Gibbous9Wed
10Thu10:172.610:502.53:570.54:290.46:087:15Waxing Gibbous10Thu
11Fri11:092.611:352.74:500.45:170.36:067:16Waxing Gibbous11Fri
12Sat11:552.75:380.36:000.26:057:17Waxing Gibbous12Sat
13Sun12:162.812:372.86:220.26:410.26:037:19Full Moon13Sun
14Mon12:552.91:182.87:040.07:200.16:017:20Full Moon14Mon
15Tue1:323.01:582.97:45-0.18:000.16:007:21Full Moon15Tue
16Wed2:103.12:392.98:27-0.18:410.05:587:22Full Moon16Wed
17Thu2:513.13:222.99:10-0.29:240.05:577:23Waning Gibbous17Thu
18Fri3:333.24:072.99:55-0.210:090.15:557:24Waning Gibbous18Fri
19Sat4:183.24:552.810:42-0.210:580.15:547:25Waning Gibbous19Sat
20Sun5:083.15:482.811:33-0.111:510.25:527:26Third Quarter20Sun
21Mon6:023.16:452.812:29-0.15:517:27Third Quarter21Mon
22Tue7:023.07:472.812:500.21:290.05:497:28Third Quarter22Tue
23Wed8:062.98:502.81:530.22:300.05:487:29Third Quarter23Wed
24Thu9:122.99:522.92:570.23:300.05:467:31Waning Crescent24Thu
25Fri10:182.910:523.04:000.14:300.05:457:32Waning Crescent25Fri
26Sat11:203.011:473.15:020.05:27-0.15:437:33Waning Crescent26Sat
27Sun12:163.05:59-0.26:19-0.15:427:34New Moon27Sun
28Mon12:373.21:083.06:51-0.27:08-0.15:417:35New Moon28Mon
29Tue1:243.21:573.07:40-0.37:540.05:397:36New Moon29Tue
30Wed2:093.22:443.08:27-0.38:390.05:387:37New Moon30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447504)

Common Questions About South Yarmouth, MA Tides

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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 69% 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 (69% 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