42.7056’ N, 70.7890’ W

Plum Island Sound, South End, MA

69°
H -°
L 54°
SW
12mph
Low tide
8:56 pm

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

TIDE TIMES for Thursday, October 29, 2026
The tide is currently falling in Plum Island Sound, South End, MA.
Next low tide : in 4h 21m at 8:56 pm (-0.9 ft)
Next high tide (tomorrow) : 3:01 am (9.0 ft)
Sunset today : 5:40 pm
Sunrise tomorrow : 7:13 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8441241
Common Questions About Tides

Plum Island Sound, South End, MA Tides - Aug 1795

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:448.611:579.95:440.05:510.74:387:07Full Moon1Sat
2Sun12:278.96:26-0.26:360.44:397:06Waning Gibbous2Sun
3Mon12:4210.01:129.27:09-0.47:230.24:407:05Waning Gibbous3Mon
4Tue1:2910.11:599.57:54-0.48:130.04:417:04Waning Gibbous4Tue
5Wed2:1910.02:489.88:41-0.49:06-0.14:427:02Waning Gibbous5Wed
6Thu3:119.83:409.99:31-0.310:03-0.24:437:01Third Quarter6Thu
7Fri4:069.54:3510.110:25-0.111:02-0.24:447:00Third Quarter7Fri
8Sat5:059.15:3310.111:220.14:456:58Third Quarter8Sat
9Sun6:078.96:3310.212:04-0.212:210.24:466:57Waning Crescent9Sun
10Mon7:098.77:3410.21:06-0.31:210.34:476:56Waning Crescent10Mon
11Tue8:118.78:3310.22:07-0.32:200.34:486:54Waning Crescent11Tue
12Wed9:108.79:3010.33:05-0.43:170.34:506:53Waning Crescent12Wed
13Thu10:058.810:2310.24:00-0.54:120.24:516:52New Moon13Thu
14Fri10:568.911:1210.24:51-0.55:030.24:526:50New Moon14Fri
15Sat11:439.011:5810.05:38-0.45:510.24:536:49New Moon15Sat
16Sun12:279.06:23-0.36:370.34:546:47Waxing Crescent16Sun
17Mon12:439.71:099.07:06-0.17:220.44:556:46Waxing Crescent17Mon
18Tue1:269.41:519.07:480.28:070.54:566:44Waxing Crescent18Tue
19Wed2:109.12:348.98:310.48:530.74:576:43Waxing Crescent19Wed
20Thu2:558.83:188.99:140.79:410.84:586:41First Quarter20Thu
21Fri3:428.44:058.710:001.010:311.04:596:40First Quarter21Fri
22Sat4:328.14:558.710:491.311:241.15:006:38First Quarter22Sat
23Sun5:257.85:478.611:411.55:016:36First Quarter23Sun
24Mon6:207.76:418.612:201.212:341.65:036:35Waxing Gibbous24Mon
25Tue7:157.67:348.71:141.11:271.65:046:33Waxing Gibbous25Tue
26Wed8:087.78:269.02:081.02:191.55:056:31Waxing Gibbous26Wed
27Thu8:597.99:159.22:580.73:081.25:066:30Waxing Gibbous27Thu
28Fri9:468.210:029.53:460.43:560.95:076:28Full Moon28Fri
29Sat10:328.610:489.94:310.14:420.55:086:26Full Moon29Sat
30Sun11:169.111:3410.15:15-0.25:280.15:096:25Full Moon30Sun
31Mon12:009.55:58-0.46:15-0.25:106:23Full Moon31Mon
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 84% 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 Waning Gibbous (84% 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