Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide : in 2h 39m at 11:07 am (-0.4 ft)
Next high tide : 4:53 pm (6.9 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:05 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Mar 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:227.12:437.49:030.29:260.26:185:33Waxing Crescent1Sat
2Sun3:077.33:307.39:490.210:110.36:165:35Waxing Crescent2Sun
3Mon3:547.44:207.110:400.210:590.46:145:36Waxing Crescent3Mon
4Tue4:457.55:136.911:340.211:510.46:135:37First Quarter4Tue
5Wed5:387.66:086.712:310.16:115:38First Quarter5Wed
6Thu6:347.67:076.612:480.51:310.16:095:40First Quarter6Thu
7Fri7:337.78:086.61:480.52:31-0.16:085:41Waxing Gibbous7Fri
8Sat8:347.89:096.72:480.33:29-0.36:065:42Waxing Gibbous8Sat
9Sun10:348.011:066.94:450.15:24-0.57:046:43Waxing Gibbous9Sun
10Mon11:308.15:41-0.26:17-0.77:036:44Waxing Gibbous10Mon
11Tue12:017.112:248.16:35-0.47:08-0.87:016:46Full Moon11Tue
12Wed12:537.41:168.17:27-0.67:57-0.86:596:47Full Moon12Wed
13Thu1:427.62:058.08:18-0.78:44-0.76:576:48Full Moon13Thu
14Fri2:297.72:527.89:07-0.79:30-0.56:566:49Waning Gibbous14Fri
15Sat3:157.73:387.59:55-0.510:17-0.36:546:50Waning Gibbous15Sat
16Sun4:007.74:257.110:45-0.311:040.16:526:52Waning Gibbous16Sun
17Mon4:477.55:136.811:350.011:540.46:506:53Waning Gibbous17Mon
18Tue5:367.36:036.512:270.26:496:54Third Quarter18Tue
19Wed6:267.16:546.212:440.71:190.46:476:55Third Quarter19Wed
20Thu7:176.97:476.01:370.92:140.66:456:56Third Quarter20Thu
21Fri8:116.88:425.92:311.03:090.76:436:57Third Quarter21Fri
22Sat9:076.79:385.93:261.04:020.76:426:59Waning Crescent22Sat
23Sun10:016.710:306.14:191.04:530.66:407:00Waning Crescent23Sun
24Mon10:516.811:186.35:090.85:410.56:387:01Waning Crescent24Mon
25Tue11:397.05:570.76:260.46:367:02Waning Crescent25Tue
26Wed12:036.512:247.16:440.57:110.36:347:03New Moon26Wed
27Thu12:476.81:087.27:290.37:530.26:337:04New Moon27Thu
28Fri1:307.11:517.38:130.28:340.26:317:06New Moon28Fri
29Sat2:127.42:357.48:560.09:150.26:297:07New Moon29Sat
30Sun2:557.73:207.49:40-0.19:570.26:277:08Waxing Crescent30Sun
31Mon3:407.94:087.310:27-0.110:430.36:267:09Waxing Crescent31Mon
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 2:00 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 transitional phase. Tonight's moon is 27% 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 shifting between spring and neap.

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 Crescent (27% illuminated). This places Merrimacport, MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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