42.7056’ N, 70.7890’ W

Plum Island Sound, South End, MA

63°
H 77°
L 63°
WNW
3mph
High tide
11:04 am

Tides Today & Tomorrow in Plum Island Sound, South End, MA

TIDE TIMES for Wednesday, August 26, 2026
The tide is currently rising in Plum Island Sound, South End, MA.
Next low tide : 5:11 pm (1.3 ft)
Next high tide : in 4h 19m at 11:04 am (7.8 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:01 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8441241
Common Questions About Tides

Plum Island Sound, South End, MA Tides - Jul 1918

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:289.56:0010.111:48-0.25:088:25Third Quarter1Mon
2Tue6:289.16:5810.212:26-0.112:450.05:088:24Third Quarter2Tue
3Wed7:308.97:5710.31:28-0.11:430.25:098:24Waning Crescent3Wed
4Thu8:318.78:5510.32:29-0.22:410.35:098:24Waning Crescent4Thu
5Fri9:328.69:5210.33:28-0.33:380.45:108:24Waning Crescent5Fri
6Sat10:298.610:4710.34:25-0.44:340.55:118:24New Moon6Sat
7Sun11:238.611:3810.25:19-0.45:270.55:118:23New Moon7Sun
8Mon12:138.66:09-0.46:170.55:128:23New Moon8Mon
9Tue12:2610.112:598.76:55-0.37:040.65:138:23New Moon9Tue
10Wed1:129.91:438.77:40-0.17:500.75:138:22Waxing Crescent10Wed
11Thu1:569.62:268.78:230.08:360.85:148:22Waxing Crescent11Thu
12Fri2:409.43:098.79:050.29:220.95:158:21Waxing Crescent12Fri
13Sat3:249.13:538.79:480.510:091.05:168:21Waxing Crescent13Sat
14Sun4:108.74:378.710:320.710:581.15:178:20First Quarter14Sun
15Mon4:578.45:248.711:171.011:491.25:178:19First Quarter15Mon
16Tue5:488.16:148.712:061.25:188:19First Quarter16Tue
17Wed6:417.87:058.712:431.212:561.45:198:18First Quarter17Wed
18Thu7:357.67:578.81:371.21:481.65:208:17Waxing Gibbous18Thu
19Fri8:297.68:488.92:311.12:391.65:218:17Waxing Gibbous19Fri
20Sat9:227.69:399.23:230.93:301.55:228:16Waxing Gibbous20Sat
21Sun10:127.810:289.54:140.74:191.35:238:15Waxing Gibbous21Sun
22Mon11:018.111:159.85:020.45:071.05:248:14Full Moon22Mon
23Tue11:488.55:480.05:540.75:248:13Full Moon23Tue
24Wed12:0210.112:338.96:32-0.36:420.35:258:13Full Moon24Wed
25Thu12:4910.31:199.37:17-0.67:300.05:268:12Waning Gibbous25Thu
26Fri1:3710.42:079.88:02-0.78:21-0.35:278:11Waning Gibbous26Fri
27Sat2:2710.32:5610.18:49-0.89:14-0.55:288:10Waning Gibbous27Sat
28Sun3:1810.13:4710.39:38-0.710:09-0.55:298:09Waning Gibbous28Sun
29Mon4:129.84:4110.410:30-0.511:06-0.45:308:08Third Quarter29Mon
30Tue5:099.45:3710.311:25-0.25:318:07Third Quarter30Tue
31Wed6:099.06:3610.212:06-0.312:230.15:328:05Third Quarter31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8441241)

Common Questions About Plum Island Sound, South End, MA Tides

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Is this week a spring tide or neap tide in Plum Island Sound, South End, MA?

Plum Island Sound, South End, MA is currently in a spring phase. Tonight's moon is 98% 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 Plum Island Sound, South End, 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 Plum Island Sound, South End, MA?

Tide predictions for Plum Island Sound, South End, 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 Plum Island Sound, South End, MA?

Tide data for Plum Island Sound, South End, MA is sourced from NOAA Station #8441241. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8441241.

What is the moon phase in Plum Island Sound, South End, MA tonight?

Tonight the moon over Plum Island Sound, South End, MA is Full Moon (98% illuminated). This places Plum Island Sound, South End, 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