Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Thursday, June 25, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide : in 4h 35m at 4:15 pm (0.9 ft)
Next high tide : 10:07 pm (7.1 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:06 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Jan 2046

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:037.57:306.41:120.01:510.17:144:20Waning Crescent1Mon
2Tue8:017.58:306.12:070.22:500.17:144:21Waning Crescent2Tue
3Wed8:577.59:285.93:020.43:460.17:144:22Waning Crescent3Wed
4Thu9:517.510:225.83:550.54:390.17:144:23Waning Crescent4Thu
5Fri10:417.411:115.84:460.65:300.17:144:24New Moon5Fri
6Sat11:287.411:575.85:350.66:180.17:144:25New Moon6Sat
7Sun12:137.46:230.67:030.17:144:26New Moon7Sun
8Mon12:415.912:557.47:090.77:460.17:134:27New Moon8Mon
9Tue1:236.01:377.37:530.78:280.17:134:28Waxing Crescent9Tue
10Wed2:046.12:197.28:370.79:100.27:134:29Waxing Crescent10Wed
11Thu2:466.33:027.19:220.89:530.37:134:30Waxing Crescent11Thu
12Fri3:306.43:476.910:090.810:370.57:124:31Waxing Crescent12Fri
13Sat4:166.54:356.610:590.911:230.67:124:33First Quarter13Sat
14Sun5:046.65:246.411:500.97:114:34First Quarter14Sun
15Mon5:526.76:156.112:100.812:430.97:114:35First Quarter15Mon
16Tue6:436.87:085.912:590.91:390.97:104:36First Quarter16Tue
17Wed7:356.98:055.81:511.02:350.77:104:37Waxing Gibbous17Wed
18Thu8:307.19:015.82:441.03:290.57:094:39Waxing Gibbous18Thu
19Fri9:247.49:566.03:360.94:210.27:094:40Waxing Gibbous19Fri
20Sat10:177.710:486.24:270.75:13-0.17:084:41Waxing Gibbous20Sat
21Sun11:088.011:406.45:180.46:03-0.47:074:42Full Moon21Sun
22Mon12:008.36:090.16:52-0.77:074:44Full Moon22Mon
23Tue12:326.812:518.47:00-0.27:40-0.97:064:45Full Moon23Tue
24Wed1:227.11:418.47:51-0.48:27-0.97:054:46Waning Gibbous24Wed
25Thu2:117.42:328.38:43-0.59:15-0.97:044:47Waning Gibbous25Thu
26Fri3:017.63:237.99:37-0.510:05-0.77:034:49Waning Gibbous26Fri
27Sat3:537.74:167.410:33-0.410:56-0.47:024:50Third Quarter27Sat
28Sun4:467.75:116.911:30-0.211:49-0.17:014:51Third Quarter28Sun
29Mon5:407.66:076.512:280.07:004:53Third Quarter29Mon
30Tue6:367.57:046.012:440.21:270.16:594:54Third Quarter30Tue
31Wed7:337.38:055.71:400.42:260.36:584:55Waning Crescent31Wed
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 7:11 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 Waxing 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