Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Monday, July 13, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide : in 3h 11m at 12:59 pm (-0.2 ft)
Next high tide : 8:01 pm (5.2 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:20 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Mar 1987

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:474.59:094.72:24-0.62:37-0.66:185:33New Moon1Sun
2Mon9:324.29:554.53:07-0.53:09-0.56:165:34Waxing Crescent2Mon
3Tue10:173.910:424.23:47-0.33:41-0.36:155:35Waxing Crescent3Tue
4Wed11:043.511:303.84:250.04:16-0.16:135:36Waxing Crescent4Wed
5Thu11:533.15:060.34:540.16:115:37First Quarter5Thu
6Fri12:193.512:432.85:550.65:400.46:105:38First Quarter6Fri
7Sat1:103.11:352.67:110.86:380.66:085:40First Quarter7Sat
8Sun2:062.92:332.59:070.87:520.76:075:41First Quarter8Sun
9Mon3:152.83:392.510:100.79:140.66:055:42Waxing Gibbous9Mon
10Tue4:262.84:412.710:540.610:200.46:035:43Waxing Gibbous10Tue
11Wed5:193.05:303.011:310.411:100.26:025:44Waxing Gibbous11Wed
12Thu5:583.36:113.312:050.26:005:45Waxing Gibbous12Thu
13Fri6:313.56:473.612:370.05:585:46Full Moon13Fri
14Sat7:043.77:233.812:36-0.21:07-0.25:575:48Full Moon14Sat
15Sun7:383.87:594.11:17-0.31:36-0.35:555:49Full Moon15Sun
16Mon8:153.88:374.21:56-0.42:06-0.45:535:50Full Moon16Mon
17Tue8:543.89:174.22:35-0.42:37-0.45:525:51Waning Gibbous17Tue
18Wed9:383.710:004.23:13-0.43:10-0.45:505:52Waning Gibbous18Wed
19Thu10:253.510:494.13:52-0.23:47-0.35:485:53Waning Gibbous19Thu
20Fri11:193.311:454.04:350.04:30-0.15:465:54Waning Gibbous20Fri
21Sat12:163.25:260.25:210.15:455:55Third Quarter21Sat
22Sun12:453.91:173.16:400.46:280.35:435:56Third Quarter22Sun
23Mon1:493.82:223.28:550.57:580.45:415:58Third Quarter23Mon
24Tue2:593.83:323.410:110.39:430.25:405:59Waning Crescent24Tue
25Wed4:113.94:393.711:020.110:550.05:386:00Waning Crescent25Wed
26Thu5:134.15:384.111:430.011:50-0.25:366:01Waning Crescent26Thu
27Fri6:074.36:294.512:18-0.25:346:02Waning Crescent27Fri
28Sat6:544.47:164.812:39-0.312:50-0.35:336:03New Moon28Sat
29Sun7:394.48:004.81:25-0.41:22-0.45:316:04New Moon29Sun
30Mon8:234.38:444.82:08-0.41:55-0.45:296:05New Moon30Mon
31Tue9:064.09:264.52:46-0.32:29-0.35:286:06Waxing Crescent31Tue
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 4:30 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 1% 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 New Moon (1% 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