41.6650’ N, 70.1833’ W

South Yarmouth, MA

61°
H -°
L 56°
NNE
9mph
High tide
7:51 am

Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Saturday, September 19, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide : 1:42 pm (0.7 ft)
Next high tide : in 5h 10m at 7:51 am (2.3 ft)
Sunset today : 6:43 pm
Sunrise tomorrow : 6:25 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Jul 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:163.43:032.88:44-0.38:540.15:098:19Waning Gibbous1Sat
2Sun3:103.33:562.89:35-0.29:470.25:108:18Waning Gibbous2Sun
3Mon4:043.24:472.810:25-0.110:390.25:108:18Waning Gibbous3Mon
4Tue4:563.05:372.811:140.011:330.35:118:18Waning Gibbous4Tue
5Wed5:482.96:262.712:040.25:118:18Third Quarter5Wed
6Thu6:422.77:162.712:280.412:530.35:128:18Third Quarter6Thu
7Fri7:372.68:062.71:230.41:430.45:138:17Third Quarter7Fri
8Sat8:322.58:552.72:190.52:320.55:138:17Third Quarter8Sat
9Sun9:272.49:452.73:140.53:220.65:148:17Waning Crescent9Sun
10Mon10:232.410:352.74:100.54:130.65:158:16Waning Crescent10Mon
11Tue11:172.411:242.85:030.45:030.65:158:16Waning Crescent11Tue
12Wed12:062.45:520.35:500.65:168:15Waning Crescent12Wed
13Thu12:092.812:512.46:370.36:350.55:178:15New Moon13Thu
14Fri12:522.91:342.57:180.27:180.55:188:14New Moon14Fri
15Sat1:332.92:152.57:590.18:010.45:198:14New Moon15Sat
16Sun2:153.02:562.68:390.18:440.45:198:13New Moon16Sun
17Mon2:573.03:352.79:190.09:270.35:208:12Waxing Crescent17Mon
18Tue3:393.04:162.810:000.010:120.25:218:12Waxing Crescent18Tue
19Wed4:233.04:572.810:420.010:590.25:228:11Waxing Crescent19Wed
20Thu5:093.05:412.911:260.011:500.25:238:10Waxing Crescent20Thu
21Fri5:592.96:293.012:130.15:248:09First Quarter21Fri
22Sat6:532.87:203.012:440.11:040.15:258:09First Quarter22Sat
23Sun7:512.78:153.11:420.11:580.25:258:08First Quarter23Sun
24Mon8:522.69:133.12:420.12:560.25:268:07Waxing Gibbous24Mon
25Tue9:572.610:143.13:440.03:560.35:278:06Waxing Gibbous25Tue
26Wed11:022.611:163.24:470.04:570.35:288:05Waxing Gibbous26Wed
27Thu12:042.75:48-0.15:570.25:298:04Full Moon27Thu
28Fri12:153.21:012.76:45-0.16:530.25:308:03Full Moon28Fri
29Sat1:103.21:552.87:37-0.27:460.15:318:02Full Moon29Sat
30Sun2:043.22:452.88:27-0.28:380.15:328:01Full Moon30Sun
31Mon2:553.23:332.89:14-0.19:270.15:338:00Waning Gibbous31Mon
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 neap phase. Tonight's moon is 58% 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 minimum.

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 (58% illuminated). This places South Yarmouth, MA in a neap tide cycle, so tidal ranges are near their weekly minimum 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