42.7056’ N, 70.7890’ W

Plum Island Sound, South End, MA

66°
H 80°
L 59°
SW
4mph
High tide
9:31 am

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

TIDE TIMES for Monday, August 24, 2026
The tide is currently rising in Plum Island Sound, South End, MA.
Next low tide : 3:36 pm (1.7 ft)
Next high tide : in 5h 50m at 9:31 am (7.3 ft)
Sunset today : 7:31 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waxing Gibbous (88% illuminated)
Tide Station Location : Station #8441241
Common Questions About Tides

Plum Island Sound, South End, MA Tides - Nov 1922

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:528.79:168.42:440.93:110.86:164:37Waxing Gibbous1Wed
2Thu9:358.99:598.53:290.93:560.66:174:35Waxing Gibbous2Thu
3Fri10:159.010:408.54:110.94:380.56:194:34Full Moon3Fri
4Sat10:539.211:208.54:510.95:190.36:204:33Full Moon4Sat
5Sun11:319.311:598.55:300.95:580.26:214:32Full Moon5Sun
6Mon12:109.56:080.96:380.16:224:30Full Moon6Mon
7Tue12:398.612:509.56:471.07:190.16:244:29Waning Gibbous7Tue
8Wed1:218.61:339.67:281.08:030.16:254:28Waning Gibbous8Wed
9Thu2:068.62:209.68:131.08:500.16:264:27Waning Gibbous9Thu
10Fri2:558.63:109.59:031.09:410.16:274:26Third Quarter10Fri
11Sat3:478.74:059.49:580.910:350.16:294:25Third Quarter11Sat
12Sun4:428.85:039.410:570.811:320.16:304:24Third Quarter12Sun
13Mon5:409.06:049.311:590.66:314:23Third Quarter13Mon
14Tue6:399.47:059.412:300.01:010.26:324:22Waning Crescent14Tue
15Wed7:369.88:059.51:27-0.22:01-0.36:344:21Waning Crescent15Wed
16Thu8:3210.39:039.62:23-0.32:58-0.76:354:20Waning Crescent16Thu
17Fri9:2610.79:589.73:17-0.43:53-1.16:364:19New Moon17Fri
18Sat10:1810.910:519.74:09-0.54:46-1.46:384:18New Moon18Sat
19Sun11:0811.111:429.75:00-0.55:37-1.46:394:17New Moon19Sun
20Mon11:5811.05:50-0.56:26-1.46:404:17Waxing Crescent20Mon
21Tue12:329.512:4710.86:39-0.37:16-1.16:414:16Waxing Crescent21Tue
22Wed1:219.31:3610.47:290.08:05-0.86:424:15Waxing Crescent22Wed
23Thu2:119.12:269.98:200.38:55-0.46:444:14Waxing Crescent23Thu
24Fri3:018.83:179.59:120.69:460.06:454:14First Quarter24Fri
25Sat3:538.64:099.010:060.910:380.36:464:13First Quarter25Sat
26Sun4:458.55:048.611:011.111:310.66:474:13First Quarter26Sun
27Mon5:408.46:008.311:581.26:484:12First Quarter27Mon
28Tue6:338.46:558.112:230.812:531.16:494:12Waxing Gibbous28Tue
29Wed7:248.57:488.11:151.01:471.06:514:11Waxing Gibbous29Wed
30Thu8:128.78:398.02:041.02:370.86:524:11Waxing Gibbous30Thu
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 88% 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 Waxing Gibbous (88% 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