Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Friday, July 3, 2026
The tide is currently rising in Merrimacport, MA.
Next low tide : 10:08 am (0.5 ft)
Next high tide : in 32m at 3:13 am (7.6 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:10 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - May 2056

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:098.82:397.78:55-1.09:10-0.35:367:45Waning Gibbous1Mon
2Tue2:588.83:307.49:47-1.010:00-0.15:357:46Waning Gibbous2Tue
3Wed3:498.74:227.210:39-0.810:530.25:337:47Waning Gibbous3Wed
4Thu4:418.45:166.911:34-0.511:490.55:327:48Waning Gibbous4Thu
5Fri5:358.06:116.712:29-0.25:317:49Third Quarter5Fri
6Sat6:317.67:076.512:450.71:240.15:307:50Third Quarter6Sat
7Sun7:267.38:036.41:420.82:190.35:287:52Third Quarter7Sun
8Mon8:237.09:006.42:400.93:130.45:277:53Waning Crescent8Mon
9Tue9:206.89:546.63:360.94:050.55:267:54Waning Crescent9Tue
10Wed10:146.610:436.74:300.84:540.65:257:55Waning Crescent10Wed
11Thu11:036.611:276.95:200.75:400.65:247:56Waning Crescent11Thu
12Fri11:486.66:070.66:250.75:237:57New Moon12Fri
13Sat12:087.112:316.56:530.57:080.85:227:58New Moon13Sat
14Sun12:497.31:146.57:380.47:500.85:217:59New Moon14Sun
15Mon1:307.41:566.68:210.38:310.95:208:00New Moon15Mon
16Tue2:107.62:376.69:030.39:121.05:198:01New Moon16Tue
17Wed2:517.63:206.69:460.39:531.15:188:02Waxing Crescent17Wed
18Thu3:347.74:056.510:300.410:371.25:178:03Waxing Crescent18Thu
19Fri4:207.74:546.511:180.411:261.35:168:04Waxing Crescent19Fri
20Sat5:097.65:456.612:070.45:158:05First Quarter20Sat
21Sun6:027.66:386.712:181.312:590.45:148:06First Quarter21Sun
22Mon6:567.67:326.81:141.21:520.35:138:07First Quarter22Mon
23Tue7:527.58:297.12:121.02:470.25:138:08First Quarter23Tue
24Wed8:507.59:257.43:110.73:410.15:128:09Waxing Gibbous24Wed
25Thu9:497.510:207.84:090.34:340.05:118:10Waxing Gibbous25Thu
26Fri10:467.511:138.25:04-0.15:25-0.15:108:11Waxing Gibbous26Fri
27Sat11:417.55:59-0.46:15-0.25:108:12Full Moon27Sat
28Sun12:058.612:357.56:52-0.77:06-0.25:098:13Full Moon28Sun
29Mon12:568.81:277.47:45-0.97:57-0.15:098:13Full Moon29Mon
30Tue1:478.92:197.38:36-0.98:470.05:088:14Full Moon30Tue
31Wed2:368.83:097.19:27-0.89:380.15:088:15Waning Gibbous31Wed
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 6:40 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 88% 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 Waning Gibbous (88% 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