Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide (tomorrow) : in 5h 48m at 4:03 am (0.8 ft)
Next high tide (tomorrow) : 9:42 am (6.0 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:06 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Mar 2045

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:288.011:006.84:350.15:16-0.56:185:33Waxing Gibbous1Wed
2Thu11:238.111:527.25:30-0.26:07-0.76:165:34Full Moon2Thu
3Fri12:158.16:24-0.56:55-0.76:155:36Full Moon3Fri
4Sat12:427.51:057.97:15-0.67:42-0.76:135:37Full Moon4Sat
5Sun1:297.71:527.78:05-0.78:27-0.56:115:38Waning Gibbous5Sun
6Mon2:157.82:397.38:54-0.69:13-0.26:105:39Waning Gibbous6Mon
7Tue3:007.83:266.99:44-0.310:000.16:085:41Waning Gibbous7Tue
8Wed3:487.64:156.510:360.010:500.56:065:42Third Quarter8Wed
9Thu4:377.45:056.111:280.311:410.86:055:43Third Quarter9Thu
10Fri5:287.15:575.812:220.66:035:44Third Quarter10Fri
11Sat6:206.96:515.612:351.11:180.86:015:45Third Quarter11Sat
12Sun8:166.78:485.51:311.23:140.96:596:47Waning Crescent12Sun
13Mon9:146.69:465.53:271.24:090.96:586:48Waning Crescent13Mon
14Tue10:096.610:385.74:211.15:000.86:566:49Waning Crescent14Tue
15Wed10:596.711:255.95:121.05:470.76:546:50Waning Crescent15Wed
16Thu11:466.86:000.86:310.66:526:51Waning Crescent16Thu
17Fri12:096.212:296.96:460.77:140.56:516:53New Moon17Fri
18Sat12:516.51:127.07:310.57:540.56:496:54New Moon18Sat
19Sun1:326.91:547.08:140.38:330.56:476:55New Moon19Sun
20Mon2:137.22:357.08:550.29:110.56:456:56Waxing Crescent20Mon
21Tue2:547.43:196.99:380.19:500.66:446:57Waxing Crescent21Tue
22Wed3:377.64:046.810:230.110:320.76:426:58Waxing Crescent22Wed
23Thu4:237.74:546.611:130.111:210.86:407:00Waxing Crescent23Thu
24Fri5:147.75:486.512:080.26:387:01First Quarter24Fri
25Sat6:097.76:446.312:160.91:060.26:377:02First Quarter25Sat
26Sun7:077.67:446.21:160.92:060.26:357:03First Quarter26Sun
27Mon8:087.68:466.32:190.93:070.26:337:04First Quarter27Mon
28Tue9:117.69:486.53:220.74:050.06:317:05Waxing Gibbous28Tue
29Wed10:127.610:466.84:220.45:00-0.26:307:07Waxing Gibbous29Wed
30Thu11:107.711:397.25:190.15:51-0.36:287:08Waxing Gibbous30Thu
31Fri12:037.66:13-0.26:40-0.36:267:09Full Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8440369)

Common Questions About Merrimacport, MA Tides

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

Slack tide in Merrimacport, MA is approximately 6:52 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 Merrimacport, MA?

Merrimacport, MA is currently in a transitional phase. Tonight's moon is 76% 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 Gibbous (76% 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