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

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Plum Island Sound, South End, MA.
Next low tide : in 4h 07m at 10:22 pm (1.1 ft)
Next high tide (tomorrow) : 4:26 am (8.9 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 5:11 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8441241
Common Questions About Tides

Plum Island Sound, South End, MA Tides - Apr 2059

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:139.22:418.58:380.28:490.96:247:09Waning Gibbous1Tue
2Wed2:549.33:268.49:210.29:301.16:237:10Waning Gibbous2Wed
3Thu3:399.34:148.210:090.210:171.26:217:11Waning Gibbous3Thu
4Fri4:289.35:068.011:010.311:101.36:197:12Third Quarter4Fri
5Sat5:239.36:048.011:590.46:177:13Third Quarter5Sat
6Sun6:239.37:058.012:101.31:000.46:167:14Third Quarter6Sun
7Mon7:269.48:078.31:151.22:020.26:147:16Waning Crescent7Mon
8Tue8:299.69:078.72:190.83:010.06:127:17Waning Crescent8Tue
9Wed9:309.810:039.33:200.43:57-0.36:117:18Waning Crescent9Wed
10Thu10:2810.010:579.84:19-0.14:50-0.56:097:19Waning Crescent10Thu
11Fri11:2310.111:4710.35:15-0.65:40-0.66:077:20New Moon11Fri
12Sat12:1510.16:08-1.06:28-0.66:067:21New Moon12Sat
13Sun12:3510.61:059.96:58-1.27:15-0.56:047:22New Moon13Sun
14Mon1:2210.71:539.67:48-1.28:02-0.26:027:24Waxing Crescent14Mon
15Tue2:0910.62:429.38:37-1.08:500.26:017:25Waxing Crescent15Tue
16Wed2:5710.33:328.89:27-0.69:390.65:597:26Waxing Crescent16Wed
17Thu3:469.94:228.410:18-0.210:301.05:577:27Waxing Crescent17Thu
18Fri4:379.45:158.011:100.311:241.35:567:28First Quarter18Fri
19Sat5:329.06:117.812:060.75:547:29First Quarter19Sat
20Sun6:298.67:097.612:211.61:031.05:537:30First Quarter20Sun
21Mon7:288.48:067.71:201.71:591.15:517:32First Quarter21Mon
22Tue8:258.38:597.82:171.72:521.25:507:33Waxing Gibbous22Tue
23Wed9:188.39:478.13:111.53:411.15:487:34Waxing Gibbous23Wed
24Thu10:078.410:318.44:021.34:261.15:477:35Waxing Gibbous24Thu
25Fri10:528.411:118.74:481.05:071.15:457:36Waxing Gibbous25Fri
26Sat11:348.511:499.05:310.75:471.05:447:37Full Moon26Sat
27Sun12:148.56:120.56:241.05:427:38Full Moon27Sun
28Mon12:269.212:548.56:520.37:011.05:417:40Full Moon28Mon
29Tue1:049.51:358.57:320.17:401.15:397:41Full Moon29Tue
30Wed1:449.62:188.58:140.08:211.15:387:42Waning Gibbous30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8441241)

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

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What time does the tide turn (slack tide) in Plum Island Sound, South End, MA today?

Slack tide in Plum Island Sound, South End, MA is approximately 1:24 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 Plum Island Sound, South End, MA?

Plum Island Sound, South End, MA is currently in a transitional phase. Tonight's moon is 72% 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 shifting between spring and neap.

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 (72% illuminated). This places Plum Island Sound, South End, MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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