Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Saturday, June 27, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide : in 5h 10m at 5:50 pm (1.1 ft)
Next high tide : 11:39 pm (7.2 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:07 am
Moon phase : Waxing Gibbous (95% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Mar 2049

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:497.910:206.93:580.04:37-0.56:185:33Waning Crescent1Mon
2Tue10:458.011:147.24:54-0.35:29-0.66:165:35New Moon2Tue
3Wed11:388.05:47-0.56:19-0.76:155:36New Moon3Wed
4Thu12:057.412:287.96:39-0.67:06-0.76:135:37New Moon4Thu
5Fri12:537.61:167.77:29-0.77:52-0.66:115:38New Moon5Fri
6Sat1:387.82:017.58:17-0.68:38-0.46:105:39Waxing Crescent6Sat
7Sun2:237.72:477.29:05-0.49:24-0.16:085:41Waxing Crescent7Sun
8Mon3:087.63:336.89:55-0.210:110.26:065:42Waxing Crescent8Mon
9Tue3:557.54:226.510:450.111:010.56:045:43First Quarter9Tue
10Wed4:447.25:126.211:370.411:520.86:035:44First Quarter10Wed
11Thu5:357.06:036.012:300.66:015:45First Quarter11Thu
12Fri6:276.86:565.812:461.01:250.75:595:47First Quarter12Fri
13Sat7:226.77:525.81:411.12:200.85:585:48Waxing Gibbous13Sat
14Sun9:186.79:475.83:361.04:130.76:566:49Waxing Gibbous14Sun
15Mon10:116.710:396.04:290.95:020.76:546:50Waxing Gibbous15Mon
16Tue11:016.811:266.35:180.85:490.56:526:51Waxing Gibbous16Tue
17Wed11:476.96:060.66:340.46:516:53Full Moon17Wed
18Thu12:116.612:327.06:520.47:170.36:496:54Full Moon18Thu
19Fri12:546.91:167.27:370.27:590.36:476:55Full Moon19Fri
20Sat1:377.32:007.28:210.18:390.26:456:56Full Moon20Sat
21Sun2:207.62:447.39:04-0.19:200.26:446:57Waning Gibbous21Sun
22Mon3:037.83:307.29:49-0.210:030.36:426:58Waning Gibbous22Mon
23Tue3:498.04:187.110:38-0.210:510.46:407:00Waning Gibbous23Tue
24Wed4:398.05:106.911:31-0.211:440.46:387:01Waning Gibbous24Wed
25Thu5:338.06:066.812:27-0.16:367:02Third Quarter25Thu
26Fri6:297.97:036.712:410.51:250.06:357:03Third Quarter26Fri
27Sat7:287.88:036.61:410.52:240.06:337:04Third Quarter27Sat
28Sun8:287.79:046.72:430.53:23-0.16:317:05Waning Crescent28Sun
29Mon9:307.610:056.93:430.34:20-0.26:297:07Waning Crescent29Mon
30Tue10:307.611:017.24:410.15:13-0.36:287:08Waning Crescent30Tue
31Wed11:257.611:527.55:36-0.26:04-0.36:267:09Waning 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 8:44 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 95% 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 (95% 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