Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide : in 1h 12m at 8:09 am (0.7 ft)
Next high tide : 3:24 pm (3.9 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 5:28 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Jan 1981

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:123.34:272.710:250.410:080.27:104:23Waning Crescent1Thu
2Fri5:013.45:172.911:090.210:510.17:104:24Waning Crescent2Fri
3Sat5:443.66:003.111:510.111:32-0.17:104:25Waning Crescent3Sat
4Sun6:233.86:403.312:32-0.17:104:26New Moon4Sun
5Mon7:014.07:213.412:14-0.21:13-0.27:104:27New Moon5Mon
6Tue7:414.18:033.612:55-0.31:54-0.37:104:28New Moon6Tue
7Wed8:224.28:463.71:38-0.42:32-0.47:104:29New Moon7Wed
8Thu9:064.29:323.72:21-0.43:08-0.47:094:30Waxing Crescent8Thu
9Fri9:524.210:213.73:04-0.43:45-0.47:094:31Waxing Crescent9Fri
10Sat10:424.111:133.83:49-0.34:24-0.37:094:32Waxing Crescent10Sat
11Sun11:363.94:37-0.15:09-0.27:094:33First Quarter11Sun
12Mon12:083.812:313.85:340.16:01-0.17:084:34First Quarter12Mon
13Tue1:043.91:293.66:480.27:02-0.17:084:35First Quarter13Tue
14Wed2:034.02:293.58:350.38:10-0.17:084:36First Quarter14Wed
15Thu3:064.13:353.510:040.19:17-0.17:074:37Waxing Gibbous15Thu
16Fri4:124.24:403.611:050.010:18-0.27:074:39Waxing Gibbous16Fri
17Sat5:154.45:403.811:58-0.111:11-0.37:064:40Waxing Gibbous17Sat
18Sun6:114.66:334.012:47-0.27:064:41Full Moon18Sun
19Mon7:024.77:234.112:01-0.41:33-0.37:054:42Full Moon19Mon
20Tue7:504.78:114.212:50-0.42:13-0.37:044:43Full Moon20Tue
21Wed8:354.58:574.11:38-0.42:46-0.37:044:45Full Moon21Wed
22Thu9:204.39:434.02:23-0.43:16-0.27:034:46Waning Gibbous22Thu
23Fri10:044.010:293.83:06-0.33:46-0.17:024:47Waning Gibbous23Fri
24Sat10:473.611:153.53:48-0.14:180.07:024:48Waning Gibbous24Sat
25Sun11:313.34:310.14:540.17:014:49Waning Gibbous25Sun
26Mon12:013.312:153.05:170.35:350.27:004:51Third Quarter26Mon
27Tue12:463.212:582.86:120.56:240.36:594:52Third Quarter27Tue
28Wed1:313.01:422.67:220.67:210.46:584:53Third Quarter28Wed
29Thu2:193.02:332.58:410.68:240.46:574:55Third Quarter29Thu
30Fri3:133.03:322.59:480.59:250.36:574:56Waning Crescent30Fri
31Sat4:123.14:332.710:410.310:180.16:564:57Waning Crescent31Sat
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 11:46 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 transitional phase. Tonight's moon is 62% 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 First Quarter (62% 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