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

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently rising in Plum Island Sound, South End, MA.
Next low tide (tomorrow) : 1:09 am (0.5 ft)
Next high tide : in 2h 21m at 6:39 pm (9.4 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:13 am
Moon phase : Third Quarter (41% illuminated)
Tide Station Location : Station #8441241
Common Questions About Tides

Plum Island Sound, South End, MA Tides - Dec 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:209.611:558.05:131.05:51-0.16:544:10New Moon1Fri
2Sat12:009.45:541.16:330.16:554:10New Moon2Sat
3Sun12:357.912:419.36:361.37:140.36:564:09Waxing Crescent3Sun
4Mon1:167.81:239.17:181.47:570.46:574:09Waxing Crescent4Mon
5Tue1:587.72:078.98:021.58:410.66:584:09Waxing Crescent5Tue
6Wed2:437.72:538.78:491.69:260.76:594:09Waxing Crescent6Wed
7Thu3:297.73:418.59:381.610:120.97:004:09First Quarter7Thu
8Fri4:177.84:328.210:301.611:011.07:004:09First Quarter8Fri
9Sat5:088.05:268.011:251.611:501.17:014:09First Quarter9Sat
10Sun5:588.26:217.912:211.37:024:09First Quarter10Sun
11Mon6:488.57:157.912:401.21:151.07:034:09Waxing Gibbous11Mon
12Tue7:378.98:087.91:291.22:080.77:044:09Waxing Gibbous12Tue
13Wed8:269.39:008.02:171.12:590.27:054:09Waxing Gibbous13Wed
14Thu9:149.79:518.23:051.03:49-0.27:054:10Full Moon14Thu
15Fri10:0310.110:418.43:530.84:39-0.67:064:10Full Moon15Fri
16Sat10:5310.411:308.64:420.55:28-0.97:074:10Full Moon16Sat
17Sun11:4310.75:320.36:18-1.07:074:10Full Moon17Sun
18Mon12:218.812:3510.86:230.17:09-1.17:084:11Waning Gibbous18Mon
19Tue1:138.91:2810.77:180.08:01-1.17:094:11Waning Gibbous19Tue
20Wed2:069.12:2410.48:140.08:54-0.97:094:12Waning Gibbous20Wed
21Thu3:029.23:219.99:130.09:48-0.77:104:12Third Quarter21Thu
22Fri3:589.34:209.410:140.110:44-0.37:104:13Third Quarter22Fri
23Sat4:569.45:218.911:160.111:400.07:114:13Third Quarter23Sat
24Sun5:549.46:248.512:190.17:114:14Third Quarter24Sun
25Mon6:529.57:258.212:370.31:200.17:114:14Waning Crescent25Mon
26Tue7:489.48:247.91:330.62:180.17:124:15Waning Crescent26Tue
27Wed8:409.49:187.82:270.83:130.17:124:16Waning Crescent27Wed
28Thu9:309.310:087.73:181.04:030.17:124:16New Moon28Thu
29Fri10:169.210:537.64:061.14:490.27:124:17New Moon29Fri
30Sat10:599.211:347.64:501.25:310.27:134:18New Moon30Sat
31Sun11:399.15:321.26:120.37:134:19New Moon31Sun
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 9:54 pm — 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 neap phase. Tonight's moon is 41% 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 (41% 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