Tides Today & Tomorrow in South Yarmouth, MA

TIDE TIMES for Saturday, July 25, 2026
The tide is currently rising in South Yarmouth, MA.
Next low tide (tomorrow) : 5:39 am (0.4 ft)
Next high tide : in 2h 03m at 11:09 pm (2.8 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 5:28 am
Moon phase : Waxing Gibbous (86% illuminated)
Tide Station Location : Station #8447504
Common Questions About Tides

South Yarmouth, MA Tides - Mar 2079

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed11:212.811:552.55:030.45:400.16:145:31Waning Crescent1Wed
2Thu12:032.95:480.26:21-0.16:135:32New Moon2Thu
3Fri12:342.712:453.06:310.07:00-0.26:115:33New Moon3Fri
4Sat1:132.81:273.17:15-0.17:40-0.26:095:34New Moon4Sat
5Sun1:523.02:113.17:59-0.28:21-0.26:085:35Waxing Crescent5Sun
6Mon2:333.12:563.08:44-0.39:04-0.26:065:37Waxing Crescent6Mon
7Tue3:153.13:432.99:31-0.39:49-0.16:045:38Waxing Crescent7Tue
8Wed4:013.14:342.810:22-0.210:390.06:035:39Waxing Crescent8Wed
9Thu4:523.15:312.611:18-0.111:340.26:015:40First Quarter9Thu
10Fri5:493.06:342.512:200.05:595:41First Quarter10Fri
11Sat6:522.97:432.412:350.31:250.15:585:42First Quarter11Sat
12Sun9:012.89:552.41:400.43:330.16:566:43Waxing Gibbous12Sun
13Mon10:122.811:042.53:480.44:410.16:546:45Waxing Gibbous13Mon
14Tue11:192.94:540.35:420.06:536:46Waxing Gibbous14Tue
15Wed12:032.612:173.05:550.26:35-0.16:516:47Waxing Gibbous15Wed
16Thu12:532.71:083.06:480.17:21-0.16:496:48Full Moon16Thu
17Fri1:372.81:543.07:350.08:03-0.16:486:49Full Moon17Fri
18Sat2:182.92:373.08:20-0.18:420.06:466:50Full Moon18Sat
19Sun2:562.93:182.99:02-0.19:200.16:446:51Waning Gibbous19Sun
20Mon3:332.93:582.89:430.09:580.26:436:52Waning Gibbous20Mon
21Tue4:102.94:392.710:240.110:370.36:416:54Waning Gibbous21Tue
22Wed4:492.85:212.511:060.211:180.46:396:55Waning Gibbous22Wed
23Thu5:302.76:072.411:520.36:386:56Third Quarter23Thu
24Fri6:162.66:592.312:040.512:420.46:366:57Third Quarter24Fri
25Sat7:082.57:552.212:540.61:370.56:346:58Third Quarter25Sat
26Sun8:052.58:532.21:480.72:340.56:326:59Third Quarter26Sun
27Mon9:032.59:512.22:450.73:310.56:317:00Third Quarter27Mon
28Tue10:012.610:462.43:430.64:260.46:297:01Waning Crescent28Tue
29Wed10:562.711:332.54:380.55:160.26:277:02Waning Crescent29Wed
30Thu11:462.85:300.36:020.16:267:03Waning Crescent30Thu
31Fri12:162.712:323.06:180.16:440.06:247:05New 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 2:24 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 86% 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 (86% 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