Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Saturday, July 11, 2026
The tide is currently rising in Mattapoisett Harbor, MA.
Next low tide (tomorrow) : 12:39 am (0.2 ft)
Next high tide : in 21m at 6:05 pm (4.8 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:19 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Apr 1989

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:043.53:393.39:440.39:430.25:256:08Waning Crescent1Sat
2Sun5:113.75:423.811:320.011:47-0.16:237:09Waning Crescent2Sun
3Mon6:124.16:394.412:15-0.36:227:10Waning Crescent3Mon
4Tue7:054.37:304.912:43-0.412:56-0.56:207:11New Moon4Tue
5Wed7:564.58:195.21:36-0.61:38-0.76:187:12New Moon5Wed
6Thu8:454.69:085.42:30-0.72:22-0.76:177:13New Moon6Thu
7Fri9:354.59:585.33:22-0.73:07-0.76:157:15New Moon7Fri
8Sat10:254.310:495.04:12-0.53:52-0.56:137:16Waxing Crescent8Sat
9Sun11:184.011:444.64:59-0.34:36-0.36:127:17Waxing Crescent9Sun
10Mon12:143.85:490.15:230.16:107:18Waxing Crescent10Mon
11Tue12:424.21:123.56:560.46:160.46:097:19First Quarter11Tue
12Wed1:433.82:113.48:530.67:240.76:077:20First Quarter12Wed
13Thu2:443.53:113.310:070.79:360.86:057:21First Quarter13Thu
14Fri3:483.34:143.310:590.610:550.76:047:22First Quarter14Fri
15Sat4:523.25:153.411:360.611:370.66:027:23Waxing Gibbous15Sat
16Sun5:483.36:083.612:010.56:017:24Waxing Gibbous16Sun
17Mon6:343.36:523.812:110.412:220.45:597:25Waxing Gibbous17Mon
18Tue7:133.47:304.012:450.312:470.25:587:27Waxing Gibbous18Tue
19Wed7:483.58:044.11:210.11:160.15:567:28Full Moon19Wed
20Thu8:223.58:374.11:580.01:490.05:557:29Full Moon20Thu
21Fri8:553.59:094.12:370.02:240.05:537:30Full Moon21Fri
22Sat9:303.49:424.03:150.02:590.15:527:31Full Moon22Sat
23Sun10:073.310:193.93:510.03:340.15:507:32Waning Gibbous23Sun
24Mon10:473.211:003.84:250.14:100.25:497:33Waning Gibbous24Mon
25Tue11:323.111:473.75:000.34:480.35:477:34Waning Gibbous25Tue
26Wed12:233.15:380.45:320.45:467:35Waning Gibbous26Wed
27Thu12:413.61:173.16:260.56:250.55:447:36Third Quarter27Thu
28Fri1:373.62:133.37:300.67:360.65:437:37Third Quarter28Fri
29Sat2:363.63:113.58:480.59:040.55:427:39Third Quarter29Sat
30Sun3:373.74:133.89:550.310:290.35:407:40Waning Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447531)

Common Questions About Mattapoisett Harbor, MA Tides

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What time does the tide turn (slack tide) in Mattapoisett Harbor, MA today?

Slack tide in Mattapoisett Harbor, MA is approximately 9:22 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 Mattapoisett Harbor, MA?

Mattapoisett Harbor, MA is currently in a spring phase. Tonight's moon is 11% 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 Mattapoisett Harbor, 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 Mattapoisett Harbor, MA?

Tide predictions for Mattapoisett Harbor, 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 Mattapoisett Harbor, MA?

Tide data for Mattapoisett Harbor, MA is sourced from NOAA Station #8447531. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447531.

What is the moon phase in Mattapoisett Harbor, MA tonight?

Tonight the moon over Mattapoisett Harbor, MA is Waning Crescent (11% illuminated). This places Mattapoisett Harbor, 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