Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Thursday, June 4, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide : in 1h 50m at 10:35 am (0.6 ft)
Next high tide : 4:09 pm (6.2 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:06 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Nov 2027

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:416.62:557.99:090.69:47-0.17:185:36Waxing Crescent1Mon
2Tue3:256.43:407.79:550.810:340.27:195:35Waxing Crescent2Tue
3Wed4:116.34:277.510:431.111:240.47:205:34Waxing Crescent3Wed
4Thu5:006.15:177.211:341.27:215:33First Quarter4Thu
5Fri5:516.06:087.012:150.612:271.47:235:31First Quarter5Fri
6Sat6:436.07:016.81:060.81:221.47:245:30First Quarter6Sat
7Sun6:356.06:556.61:580.91:181.46:254:29First Quarter7Sun
8Mon7:296.27:496.51:500.92:131.36:264:28Waxing Gibbous8Mon
9Tue8:216.48:436.52:410.93:061.16:284:27Waxing Gibbous9Tue
10Wed9:116.79:336.53:280.83:560.86:294:26Waxing Gibbous10Wed
11Thu9:567.110:216.54:130.84:440.66:304:25Waxing Gibbous11Thu
12Fri10:417.411:076.54:570.85:300.36:324:24Full Moon12Fri
13Sat11:257.711:536.65:400.86:160.16:334:23Full Moon13Sat
14Sun12:097.96:240.77:02-0.16:344:22Full Moon14Sun
15Mon12:406.712:558.27:070.77:49-0.26:354:21Full Moon15Mon
16Tue1:276.71:428.37:520.78:36-0.36:374:20Waning Gibbous16Tue
17Wed2:156.72:318.38:400.69:27-0.36:384:19Waning Gibbous17Wed
18Thu3:076.73:248.29:330.710:21-0.26:394:18Waning Gibbous18Thu
19Fri4:016.74:208.010:310.711:16-0.26:404:17Third Quarter19Fri
20Sat4:586.75:187.811:320.66:424:17Third Quarter20Sat
21Sun5:566.96:177.512:12-0.112:330.66:434:16Third Quarter21Sun
22Mon6:557.07:177.21:070.01:340.46:444:15Third Quarter22Mon
23Tue7:537.38:186.92:030.02:350.26:454:14Waning Crescent23Tue
24Wed8:507.59:176.72:570.13:320.06:464:14Waning Crescent24Wed
25Thu9:437.710:116.63:480.14:25-0.16:484:13Waning Crescent25Thu
26Fri10:327.811:016.44:380.25:17-0.26:494:13New Moon26Fri
27Sat11:187.911:486.35:260.46:06-0.26:504:12New Moon27Sat
28Sun12:037.96:130.56:53-0.26:514:12New Moon28Sun
29Mon12:346.312:477.86:590.67:39-0.16:524:11New Moon29Mon
30Tue1:176.21:307.77:440.88:230.16:534:11Waxing Crescent30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8440369)

Common Questions About Merrimacport, MA Tides

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What time does the tide turn (slack tide) in Merrimacport, MA today?

Slack tide in Merrimacport, MA is approximately 1:22 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 Merrimacport, MA?

Merrimacport, MA is currently in a spring phase. Tonight's moon is 84% 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 Merrimacport, 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 Merrimacport, MA?

Tide predictions for Merrimacport, 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 Merrimacport, MA?

Tide data for Merrimacport, MA is sourced from NOAA Station #8440369. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8440369.

What is the moon phase in Merrimacport, MA tonight?

Tonight the moon over Merrimacport, MA is Waning Gibbous (84% illuminated). This places Merrimacport, 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