Nearby Harbors
41.6567’ N, 70.8133’ W

Mattapoisett Harbor, MA

54°
H -°
L 53°
NE
3mph
Low tide
11:29 pm
Photo Credits

Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Monday, September 21, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide : in 13m at 11:29 pm (0.8 ft)
Next high tide (tomorrow) : 5:21 am (3.2 ft)
Sunset today : 6:42 pm
Sunrise tomorrow : 6:29 am
Moon phase : Waxing Gibbous (75% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Featured Local Businesses

South Wharf Yacht Yard

South Wharf Yacht Yard & Marina

Concordia Company
Cape Yachts

Cape Yachts

Dartmouth Harbormaster

Kingman Yacht Center

Mattapoisett Harbor, MA Tides - Jun 1864

Print this Tide Chart
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:033.95:344.810:390.14:147:15Waning Crescent1Wed
2Thu5:584.06:264.912:090.211:22 AM0.14:147:15New Moon2Thu
3Fri6:494.17:134.912:530.112:040.14:137:16New Moon3Fri
4Sat7:364.27:594.81:340.112:480.14:137:17New Moon4Sat
5Sun8:224.18:434.62:120.11:340.14:137:17New Moon5Sun
6Mon9:074.09:264.32:470.22:190.24:127:18Waxing Crescent6Mon
7Tue9:523.910:094.03:200.23:040.34:127:19Waxing Crescent7Tue
8Wed10:383.710:523.83:540.33:480.44:127:19Waxing Crescent8Wed
9Thu11:243.611:343.54:310.44:330.64:127:20Waxing Crescent9Thu
10Fri12:093.55:100.55:230.74:127:20First Quarter10Fri
11Sat12:153.312:523.45:550.66:210.84:117:21First Quarter11Sat
12Sun12:563.11:353.46:450.67:300.94:117:21First Quarter12Sun
13Mon1:393.02:193.57:400.68:410.84:117:22First Quarter13Mon
14Tue2:283.03:093.68:330.59:410.74:117:22Waxing Gibbous14Tue
15Wed3:243.04:033.89:230.410:320.54:117:23Waxing Gibbous15Wed
16Thu4:243.24:574.110:110.211:180.34:117:23Waxing Gibbous16Thu
17Fri5:203.45:474.410:580.14:117:23Waxing Gibbous17Fri
18Sat6:123.76:364.712:020.111:44 AM-0.14:127:24Full Moon18Sat
19Sun7:024.07:244.912:49-0.112:32-0.24:127:24Full Moon19Sun
20Mon7:514.28:135.01:37-0.21:23-0.34:127:24Full Moon20Mon
21Tue8:414.49:035.12:24-0.32:15-0.34:127:24Waning Gibbous21Tue
22Wed9:334.59:555.03:09-0.33:07-0.24:127:25Waning Gibbous22Wed
23Thu10:274.610:494.83:53-0.34:000.04:137:25Waning Gibbous23Thu
24Fri11:234.611:454.54:38-0.24:560.24:137:25Waning Gibbous24Fri
25Sat12:204.65:260.06:060.44:137:25Third Quarter25Sat
26Sun12:414.31:164.66:220.17:570.64:147:25Third Quarter26Sun
27Mon1:384.02:144.57:250.39:230.54:147:25Third Quarter27Mon
28Tue2:373.83:164.58:280.310:250.54:147:25Waning Crescent28Tue
29Wed3:403.74:194.59:260.411:170.44:157:25Waning Crescent29Wed
30Thu4:433.75:174.510:150.44:157:25Waning Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447531)

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Common Questions About Mattapoisett Harbor, MA Tides

Collapse All
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 75% 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 Waxing Gibbous (75% 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

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