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

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Plum Island Sound, South End, MA.
Next low tide : 10:03 am (0.5 ft)
Next high tide : in 2h 35m at 3:38 am (9.1 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 - Nov 1994

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue8:549.99:239.42:470.23:20-0.46:174:36Waning Crescent1Tue
2Wed9:4410.510:159.73:37-0.14:11-0.96:184:35New Moon2Wed
3Thu10:3411.011:079.84:26-0.35:02-1.36:194:33New Moon3Thu
4Fri11:2411.311:589.95:16-0.55:53-1.66:204:32New Moon4Fri
5Sat12:1411.46:06-0.66:45-1.66:224:31Waxing Crescent5Sat
6Sun12:509.81:0711.36:58-0.57:38-1.56:234:30Waxing Crescent6Sun
7Mon1:439.72:0111.07:52-0.48:32-1.26:244:29Waxing Crescent7Mon
8Tue2:389.52:5710.58:49-0.19:28-0.86:254:27First Quarter8Tue
9Wed3:359.33:5510.09:470.210:24-0.46:274:26First Quarter9Wed
10Thu4:339.14:569.510:480.411:23-0.16:284:25First Quarter10Thu
11Fri5:349.05:589.111:500.66:294:24First Quarter11Fri
12Sat6:339.06:588.712:210.212:510.66:314:23Waxing Gibbous12Sat
13Sun7:299.07:568.51:160.51:490.66:324:22Waxing Gibbous13Sun
14Mon8:219.18:488.42:090.72:420.56:334:21Waxing Gibbous14Mon
15Tue9:089.19:378.32:570.83:310.46:344:20Waxing Gibbous15Tue
16Wed9:519.210:208.23:430.94:160.36:364:19Full Moon16Wed
17Thu10:319.211:008.24:251.04:570.36:374:18Full Moon17Thu
18Fri11:099.211:388.25:051.15:370.36:384:18Full Moon18Fri
19Sat11:479.35:441.26:160.36:394:17Full Moon19Sat
20Sun12:178.112:259.36:231.26:560.36:404:16Waning Gibbous20Sun
21Mon12:568.11:069.27:031.27:370.36:424:15Waning Gibbous21Mon
22Tue1:388.21:489.27:451.38:190.46:434:15Waning Gibbous22Tue
23Wed2:228.22:349.18:291.39:040.46:444:14Waning Gibbous23Wed
24Thu3:088.33:229.09:181.39:510.56:454:13Third Quarter24Thu
25Fri3:578.44:148.810:101.210:410.56:464:13Third Quarter25Fri
26Sat4:498.65:098.711:061.111:340.56:484:12Third Quarter26Sat
27Sun5:438.96:078.712:050.86:494:12Third Quarter27Sun
28Mon6:389.37:058.812:280.51:030.46:504:11Waning Crescent28Mon
29Tue7:329.78:028.91:220.32:00-0.16:514:11Waning Crescent29Tue
30Wed8:2610.28:599.12:160.12:56-0.66:524:11Waning Crescent30Wed
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 6:50 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