Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Friday, June 26, 2026
The tide is currently rising in Merrimacport, MA.
Next low tide (tomorrow) : 5:43 am (0.7 ft)
Next high tide : in 1h 47m at 10:54 pm (7.2 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:07 am
Moon phase : Waxing Gibbous (90% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Apr 2048

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:398.43:087.59:26-0.79:39-0.16:247:10Waning Gibbous1Wed
2Thu3:288.53:597.310:17-0.710:300.06:227:11Waning Gibbous2Thu
3Fri4:208.54:537.111:12-0.611:250.26:207:13Waning Gibbous3Fri
4Sat5:148.35:496.812:08-0.46:197:14Third Quarter4Sat
5Sun6:128.06:476.612:230.41:06-0.26:177:15Third Quarter5Sun
6Mon7:117.77:476.51:230.52:050.06:157:16Third Quarter6Mon
7Tue8:117.58:486.52:230.53:030.16:137:17Waning Crescent7Tue
8Wed9:137.29:486.63:240.53:590.16:127:18Waning Crescent8Wed
9Thu10:127.110:436.84:210.44:510.16:107:19Waning Crescent9Thu
10Fri11:067.011:317.05:150.35:400.26:087:21Waning Crescent10Fri
11Sat11:546.96:060.26:270.36:077:22New Moon11Sat
12Sun12:167.212:396.86:540.17:110.46:057:23New Moon12Sun
13Mon12:577.31:216.77:400.17:540.56:037:24New Moon13Mon
14Tue1:377.42:026.78:230.18:360.66:027:25New Moon14Tue
15Wed2:177.52:436.69:060.19:170.86:007:26Waxing Crescent15Wed
16Thu2:587.53:256.59:490.310:000.95:597:28Waxing Crescent16Thu
17Fri3:407.54:096.410:340.410:441.15:577:29Waxing Crescent17Fri
18Sat4:257.44:556.311:220.511:321.25:557:30Waxing Crescent18Sat
19Sun5:137.35:456.212:110.75:547:31First Quarter19Sun
20Mon6:047.16:366.212:231.31:020.85:527:32First Quarter20Mon
21Tue6:567.07:296.21:161.41:550.85:517:33First Quarter21Tue
22Wed7:497.08:236.42:121.32:480.85:497:34First Quarter22Wed
23Thu8:456.99:176.63:081.23:400.75:487:36Waxing Gibbous23Thu
24Fri9:407.010:107.04:020.94:290.55:467:37Waxing Gibbous24Fri
25Sat10:347.111:007.54:540.55:170.45:457:38Waxing Gibbous25Sat
26Sun11:257.211:497.95:450.26:040.25:437:39Waxing Gibbous26Sun
27Mon12:177.36:36-0.26:510.15:427:40Full Moon27Mon
28Tue12:388.31:087.47:26-0.57:390.05:407:41Full Moon28Tue
29Wed1:278.61:597.48:17-0.88:280.05:397:42Full Moon29Wed
30Thu2:178.82:497.39:07-0.99:180.05:387:44Waning Gibbous30Thu
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 2:18 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 spring phase. Tonight's moon is 90% 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 (90% 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