Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Wednesday, August 5, 2026
The tide is currently rising in Mattapoisett Harbor, MA.
Next low tide (tomorrow) : 7:19 am (0.3 ft)
Next high tide (tomorrow) : in 4h 10m at 2:02 am (3.5 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 5:41 am
Moon phase : Third Quarter (55% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - Sep 2097

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:003.54:364.39:320.411:440.56:107:15Waning Crescent1Sun
2Mon5:093.85:454.510:510.36:117:13Waning Crescent2Mon
3Tue6:134.16:454.812:340.311:58 AM0.16:127:12Waning Crescent3Tue
4Wed7:094.57:375.01:190.212:550.06:137:10New Moon4Wed
5Thu8:004.88:265.02:000.01:48-0.16:147:08New Moon5Thu
6Fri8:485.09:124.92:37-0.12:40-0.16:157:07New Moon6Fri
7Sat9:355.19:574.73:10-0.13:27-0.16:167:05New Moon7Sat
8Sun10:215.010:414.33:420.04:100.16:177:03Waxing Crescent8Sun
9Mon11:074.711:274.04:130.14:500.36:187:02Waxing Crescent9Mon
10Tue11:554.44:460.25:300.56:197:00Waxing Crescent10Tue
11Wed12:143.612:434.15:230.46:150.86:206:58First Quarter11Wed
12Thu1:043.31:333.86:040.77:101.06:216:56First Quarter12Thu
13Fri1:543.12:243.56:540.98:381.16:226:55First Quarter13Fri
14Sat2:462.93:193.37:591.010:091.16:236:53First Quarter14Sat
15Sun3:432.94:223.39:201.011:041.06:246:51Waxing Gibbous15Sun
16Mon4:463.05:243.410:340.911:460.86:256:49Waxing Gibbous16Mon
17Tue5:433.26:123.611:300.76:266:48Waxing Gibbous17Tue
18Wed6:293.56:513.812:220.612:160.56:276:46Waxing Gibbous18Wed
19Thu7:093.87:274.012:550.412:580.36:286:44Waxing Gibbous19Thu
20Fri7:464.18:034.21:270.21:390.26:296:42Full Moon20Fri
21Sat8:234.38:414.31:590.02:200.06:306:41Full Moon21Sat
22Sun9:024.59:224.32:31-0.13:010.06:316:39Full Moon22Sun
23Mon9:434.710:054.23:05-0.23:420.06:326:37Waning Gibbous23Mon
24Tue10:264.710:524.03:41-0.24:230.16:336:36Waning Gibbous24Tue
25Wed11:144.611:453.94:19-0.15:060.26:346:34Waning Gibbous25Wed
26Thu12:084.55:000.05:550.56:356:32Waning Gibbous26Thu
27Fri12:423.71:074.45:480.27:020.76:376:30Third Quarter27Fri
28Sat1:423.62:094.26:460.59:260.86:386:29Third Quarter28Sat
29Sun2:443.63:154.28:030.610:440.76:396:27Third Quarter29Sun
30Mon3:493.74:254.29:420.611:380.56:406:25Waning Crescent30Mon
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 4:40 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 neap phase. Tonight's moon is 55% 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 minimum.

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 Third Quarter (55% illuminated). This places Mattapoisett Harbor, MA in a neap tide cycle, so tidal ranges are near their weekly minimum 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