Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently rising in Mattapoisett Harbor, MA.
Next low tide : 10:50 am (0.2 ft)
Next high tide : in 3h 06m at 5:17 am (3.6 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 - Apr 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:244.26:504.712:21-0.55:266:07Full Moon1Sat
2Sun7:124.47:375.012:49-0.61:00-0.65:246:09Full Moon2Sun
3Mon8:004.58:245.21:40-0.71:42-0.75:236:10Full Moon3Mon
4Tue8:494.49:145.22:30-0.72:25-0.75:216:11Waning Gibbous4Tue
5Wed9:404.210:065.03:19-0.63:08-0.55:196:12Waning Gibbous5Wed
6Thu10:343.911:024.64:07-0.33:54-0.35:186:13Waning Gibbous6Thu
7Fri11:313.75:000.04:430.05:166:14Waning Gibbous7Fri
8Sat12:024.312:323.56:160.45:420.45:146:15Third Quarter8Sat
9Sun1:053.91:343.48:210.57:190.65:136:16Third Quarter9Sun
10Mon2:093.72:393.49:340.59:400.65:116:17Third Quarter10Mon
11Tue3:173.63:453.510:270.510:390.55:096:18Waning Crescent11Tue
12Wed4:223.64:463.711:060.411:220.45:086:19Waning Crescent12Wed
13Thu5:163.65:373.911:320.311:550.35:066:20Waning Crescent13Thu
14Fri6:023.76:214.111:510.25:056:22Waning Crescent14Fri
15Sat6:423.77:004.212:250.212:130.15:036:23New Moon15Sat
16Sun7:193.77:354.212:570.112:420.05:026:24New Moon16Sun
17Mon7:553.68:094.21:320.01:150.05:006:25New Moon17Mon
18Tue8:303.58:414.12:080.01:500.04:586:26New Moon18Tue
19Wed9:053.49:133.92:440.02:260.14:576:27Waxing Crescent19Wed
20Thu9:423.29:473.73:190.13:030.24:556:28Waxing Crescent20Thu
21Fri10:223.010:253.53:530.33:390.34:546:29Waxing Crescent21Fri
22Sat11:062.911:113.34:280.54:180.44:526:30Waxing Crescent22Sat
23Sun11:552.95:080.65:020.64:516:31First Quarter23Sun
24Mon12:033.212:472.96:010.85:590.74:496:32First Quarter24Mon
25Tue12:583.21:413.07:200.87:140.74:486:34First Quarter25Tue
26Wed1:563.32:393.38:400.68:370.54:476:35First Quarter26Wed
27Thu2:593.43:403.69:330.49:480.34:456:36Waxing Gibbous27Thu
28Fri4:033.64:404.110:170.110:470.04:446:37Waxing Gibbous28Fri
29Sat5:033.95:344.610:58-0.211:40-0.34:426:38Waxing Gibbous29Sat
30Sun6:584.17:245.112:40-0.45:417:39Full Moon30Sun
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 8:03 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 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