Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Wednesday, August 12, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide (tomorrow) : in 5h 31m at 2:59 am (-0.1 ft)
Next high tide (tomorrow) : 9:01 am (4.9 ft)
Sunset today : 7:47 pm
Sunrise tomorrow : 5:49 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Dec 1942

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:253.12:343.18:060.78:490.57:505:14Third Quarter1Tue
2Wed3:163.33:293.29:210.69:460.37:515:13Third Quarter2Wed
3Thu4:113.64:293.310:280.410:360.17:525:13Waning Crescent3Thu
4Fri5:093.95:303.511:240.111:23-0.27:535:13Waning Crescent4Fri
5Sat6:044.36:273.812:14-0.27:545:13Waning Crescent5Sat
6Sun6:574.77:204.112:09-0.41:03-0.47:555:13New Moon6Sun
7Mon7:475.18:124.312:55-0.61:53-0.57:565:13New Moon7Mon
8Tue8:385.39:034.51:44-0.72:45-0.67:575:13New Moon8Tue
9Wed9:295.39:564.52:35-0.73:37-0.67:585:13New Moon9Wed
10Thu10:225.210:504.43:28-0.64:27-0.57:595:13Waxing Crescent10Thu
11Fri11:174.911:474.34:20-0.55:16-0.37:595:13Waxing Crescent11Fri
12Sat12:144.65:13-0.26:09-0.18:005:13Waxing Crescent12Sat
13Sun12:454.21:124.36:130.17:170.18:015:13First Quarter13Sun
14Mon1:444.12:104.07:410.48:460.28:025:13First Quarter14Mon
15Tue2:434.03:073.79:460.59:520.38:025:13First Quarter15Tue
16Wed3:434.04:073.510:540.410:380.38:035:14Waxing Gibbous16Wed
17Thu4:454.05:083.411:450.411:110.38:045:14Waxing Gibbous17Thu
18Fri5:444.06:043.412:260.38:045:14Waxing Gibbous18Fri
19Sat6:354.16:543.512:590.28:055:15Waxing Gibbous19Sat
20Sun7:204.17:383.612:130.11:280.28:065:15Full Moon20Sun
21Mon8:014.18:193.612:500.02:000.18:065:15Full Moon21Mon
22Tue8:394.18:583.61:30-0.12:360.08:075:16Full Moon22Tue
23Wed9:154.09:363.52:12-0.13:130.08:075:16Full Moon23Wed
24Thu9:503.910:133.42:54-0.13:500.08:085:17Full Moon24Thu
25Fri10:243.710:523.33:36-0.14:240.08:085:18Waning Gibbous25Fri
26Sat11:003.511:323.24:160.04:570.18:085:18Waning Gibbous26Sat
27Sun11:393.44:550.15:300.28:095:19Waning Gibbous27Sun
28Mon12:153.112:223.25:360.26:060.28:095:20Waning Gibbous28Mon
29Tue1:003.11:093.26:220.46:490.28:095:20Third Quarter29Tue
30Wed1:483.21:593.17:190.47:430.28:095:21Third Quarter30Wed
31Thu2:383.42:543.18:300.48:440.18:105:22Third Quarter31Thu
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 6:00 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 Mattapoisett Harbor, MA?

Mattapoisett Harbor, MA is currently in a spring phase. Tonight's moon is 0% 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 (0% 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