Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide : in 5h 36m at 6:21 pm (0.6 ft)
Next high tide (tomorrow) : 1:07 am (3.6 ft)
Sunset today : 7:57 pm
Sunrise tomorrow : 5:40 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Nov 1959

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:395.48:034.712:50-0.61:40-0.56:144:39New Moon1Sun
2Mon8:295.58:554.71:37-0.62:31-0.56:154:37Waxing Crescent2Mon
3Tue9:215.49:494.62:26-0.53:22-0.36:174:36Waxing Crescent3Tue
4Wed10:165.110:464.43:16-0.34:13-0.16:184:35Waxing Crescent4Wed
5Thu11:154.811:454.24:070.05:110.26:194:34Waxing Crescent5Thu
6Fri12:154.55:040.36:440.46:204:33First Quarter6Fri
7Sat12:464.11:154.36:210.68:210.56:214:31First Quarter7Sat
8Sun1:464.02:154.08:440.69:230.56:234:30First Quarter8Sun
9Mon2:484.03:163.99:540.610:080.46:244:29Waxing Gibbous9Mon
10Tue3:504.14:163.810:440.510:390.46:254:28Waxing Gibbous10Tue
11Wed4:474.25:103.811:220.411:010.36:264:27Waxing Gibbous11Wed
12Thu5:374.35:573.911:530.311:260.26:284:26Waxing Gibbous12Thu
13Fri6:214.46:403.912:210.36:294:25Full Moon13Fri
14Sat7:014.47:193.912:530.26:304:24Full Moon14Sat
15Sun7:394.47:583.812:330.11:290.16:314:23Full Moon15Sun
16Mon8:144.28:353.71:120.02:070.16:324:23Full Moon16Mon
17Tue8:494.19:133.61:520.02:450.16:344:22Waning Gibbous17Tue
18Wed9:233.99:523.42:330.13:220.26:354:21Waning Gibbous18Wed
19Thu10:003.710:343.33:120.23:570.36:364:20Waning Gibbous19Thu
20Fri10:413.511:193.23:520.34:340.56:374:19Waning Gibbous20Fri
21Sat11:263.44:330.55:140.56:384:19Third Quarter21Sat
22Sun12:073.212:153.35:210.66:050.66:404:18Third Quarter22Sun
23Mon12:563.21:073.36:210.67:060.56:414:17Third Quarter23Mon
24Tue1:473.42:013.47:350.68:100.46:424:17Third Quarter24Tue
25Wed2:433.73:013.58:510.49:080.16:434:16Waning Crescent25Wed
26Thu3:424.04:043.79:560.210:00-0.16:444:16Waning Crescent26Thu
27Fri4:414.45:054.010:51-0.110:49-0.46:454:15Waning Crescent27Fri
28Sat5:374.96:014.211:43-0.411:38-0.66:464:15Waning Crescent28Sat
29Sun6:295.26:544.512:34-0.56:484:14New Moon29Sun
30Mon7:215.47:464.612:27-0.71:28-0.66:494:14New Moon30Mon
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 9:44 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 transitional phase. Tonight's moon is 66% 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 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 Third Quarter (66% illuminated). This places Mattapoisett Harbor, 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