Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide : in 25m at 10:50 am (0.2 ft)
Next high tide : 5:53 pm (4.6 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 5:45 am
Moon phase : Waning Crescent (13% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Jul 1949

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:094.312:474.26:010.16:140.35:128:21First Quarter1Fri
2Sat1:044.21:424.36:490.27:230.55:128:21First Quarter2Sat
3Sun1:594.02:374.57:440.28:530.65:138:21First Quarter3Sun
4Mon2:563.83:344.58:430.310:210.55:148:21First Quarter4Mon
5Tue3:563.64:364.69:420.311:280.45:148:20Waxing Gibbous5Tue
6Wed5:023.65:394.710:390.35:158:20Waxing Gibbous6Wed
7Thu6:063.66:384.812:230.311:33 AM0.25:158:20Waxing Gibbous7Thu
8Fri7:033.87:324.81:140.312:240.25:168:19Full Moon8Fri
9Sat7:553.98:224.82:030.31:130.25:178:19Full Moon9Sat
10Sun8:444.09:094.72:490.32:040.25:178:19Full Moon10Sun
11Mon9:314.09:554.63:290.32:540.25:188:18Full Moon11Mon
12Tue10:174.010:394.34:020.33:410.35:198:18Waning Gibbous12Tue
13Wed11:023.911:224.04:320.34:260.45:208:17Waning Gibbous13Wed
14Thu11:483.85:030.45:090.55:208:17Waning Gibbous14Thu
15Fri12:043.812:333.75:370.45:540.75:218:16Waning Gibbous15Fri
16Sat12:463.51:163.66:130.56:460.95:228:15Third Quarter16Sat
17Sun1:273.21:573.56:540.67:501.05:238:15Third Quarter17Sun
18Mon2:083.02:373.57:400.69:041.05:248:14Third Quarter18Mon
19Tue2:512.93:203.58:330.710:140.95:258:13Third Quarter19Tue
20Wed3:422.84:113.59:280.611:110.85:268:12Waning Crescent20Wed
21Thu4:422.95:113.710:230.611:590.75:268:12Waning Crescent21Thu
22Fri5:433.06:083.911:160.45:278:11Waning Crescent22Fri
23Sat6:383.36:594.212:440.512:070.35:288:10Waning Crescent23Sat
24Sun7:273.67:474.51:290.312:560.15:298:09New Moon24Sun
25Mon8:143.98:334.72:140.11:460.05:308:08New Moon25Mon
26Tue9:024.29:204.82:580.02:37-0.15:318:07New Moon26Tue
27Wed9:504.410:084.83:40-0.13:29-0.25:328:06Waxing Crescent27Wed
28Thu10:404.510:584.74:18-0.24:19-0.15:338:05Waxing Crescent28Thu
29Fri11:314.611:504.54:55-0.25:100.05:348:04Waxing Crescent29Fri
30Sat12:254.75:34-0.16:050.25:358:03Waxing Crescent30Sat
31Sun12:444.21:204.76:170.07:120.55:368:02First Quarter31Sun
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 2:21 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 13% 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 (13% 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