42.7056’ N, 70.7890’ W

Plum Island Sound, South End, MA

71°
H 71°
L 63°
NE
6mph
High tide
4:50 pm

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

TIDE TIMES for Thursday, September 3, 2026
The tide is currently rising in Plum Island Sound, South End, MA.
Next low tide : 11:23 pm (0.1 ft)
Next high tide : in 1h 56m at 4:50 pm (9.9 ft)
Sunset today : 7:14 pm
Sunrise tomorrow : 6:10 am
Moon phase : Third Quarter (58% illuminated)
Tide Station Location : Station #8441241
Common Questions About Tides

Plum Island Sound, South End, MA Tides - May 1902

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:178.65:528.211:480.94:386:42Third Quarter1Thu
2Fri6:138.66:468.512:101.412:410.94:366:43Third Quarter2Fri
3Sat7:098.77:388.91:061.11:320.74:356:44Waning Crescent3Sat
4Sun8:038.98:289.42:000.72:230.54:346:45Waning Crescent4Sun
5Mon8:569.19:189.92:530.23:120.34:326:46Waning Crescent5Mon
6Tue9:489.410:0810.53:45-0.44:010.04:316:47New Moon6Tue
7Wed10:399.610:5710.94:36-0.84:50-0.24:306:48New Moon7Wed
8Thu11:309.811:4711.25:26-1.25:39-0.44:296:50New Moon8Thu
9Fri12:219.96:16-1.56:30-0.54:276:51Waxing Crescent9Fri
10Sat12:3811.31:139.97:08-1.57:23-0.44:266:52Waxing Crescent10Sat
11Sun1:3111.22:079.88:02-1.48:18-0.34:256:53Waxing Crescent11Sun
12Mon2:2610.93:039.68:56-1.19:15-0.14:246:54Waxing Crescent12Mon
13Tue3:2310.54:019.59:53-0.810:150.14:236:55First Quarter13Tue
14Wed4:2210.05:009.410:50-0.411:160.34:226:56First Quarter14Wed
15Thu5:239.66:009.311:49-0.14:216:57First Quarter15Thu
16Fri6:259.26:599.312:180.412:460.24:206:58Waxing Gibbous16Fri
17Sat7:258.97:549.31:190.41:410.44:196:59Waxing Gibbous17Sat
18Sun8:228.78:459.42:150.42:330.64:187:00Waxing Gibbous18Sun
19Mon9:148.59:329.43:080.43:220.84:177:01Waxing Gibbous19Mon
20Tue10:018.410:159.43:560.34:070.94:167:02Full Moon20Tue
21Wed10:448.410:559.44:400.34:491.04:157:03Full Moon21Wed
22Thu11:248.311:339.45:220.35:291.14:147:04Full Moon22Thu
23Fri12:028.36:010.36:091.24:137:05Full Moon23Fri
24Sat12:119.312:428.36:410.46:491.34:127:06Waning Gibbous24Sat
25Sun12:519.31:228.37:220.47:301.34:127:07Waning Gibbous25Sun
26Mon1:329.32:058.38:030.48:131.44:117:08Waning Gibbous26Mon
27Tue2:169.22:498.38:470.58:591.44:107:09Waning Gibbous27Tue
28Wed3:029.13:368.49:320.69:481.44:107:10Third Quarter28Wed
29Thu3:518.94:258.510:190.710:411.34:097:11Third Quarter29Thu
30Fri4:438.85:178.711:100.711:371.14:087:11Third Quarter30Fri
31Sat5:388.76:109.012:020.74:087:12Third Quarter31Sat
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 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 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 Third Quarter (58% illuminated). This places Plum Island Sound, South End, 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