Tides Today & Tomorrow in Newburyport (Merrimack River), MA

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in Newburyport (Merrimack River), MA.
Next low tide : in 4h 52m at 3:32 pm (0.8 ft)
Next high tide : 9:36 pm (9.5 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:15 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8440466
Common Questions About Tides

Newburyport (Merrimack River), MA Tides - Jun 1991

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:348.63:077.49:190.49:251.45:078:14Waning Gibbous1Sat
2Sun3:188.43:527.410:020.510:111.45:078:15Waning Gibbous2Sun
3Mon4:048.34:387.510:460.711:011.55:068:16Third Quarter3Mon
4Tue4:528.15:277.611:330.811:541.45:068:17Third Quarter4Tue
5Wed5:437.96:167.812:220.95:058:17Third Quarter5Wed
6Thu6:367.77:078.112:491.31:121.05:058:18Third Quarter6Thu
7Fri7:317.67:588.41:461.12:021.05:058:19Waning Crescent7Fri
8Sat8:277.68:518.72:410.72:531.05:058:19Waning Crescent8Sat
9Sun9:237.69:439.13:350.33:430.95:048:20Waning Crescent9Sun
10Mon10:187.810:359.64:28-0.14:340.75:048:20Waning Crescent10Mon
11Tue11:128.011:279.95:20-0.55:250.55:048:21New Moon11Tue
12Wed12:048.26:12-0.86:170.35:048:22New Moon12Wed
13Thu12:1810.212:558.47:03-1.07:100.15:048:22New Moon13Thu
14Fri1:1110.31:488.57:54-1.18:04-0.15:048:23Waxing Crescent14Fri
15Sat2:0410.22:418.78:46-1.18:59-0.15:048:23Waxing Crescent15Sat
16Sun2:5810.03:358.79:38-1.09:55-0.15:048:23Waxing Crescent16Sun
17Mon3:539.64:308.810:30-0.710:540.05:048:24First Quarter17Mon
18Tue4:509.15:258.811:24-0.411:540.25:048:24First Quarter18Tue
19Wed5:478.66:218.812:19-0.15:048:24First Quarter19Wed
20Thu6:468.17:178.712:540.31:140.35:048:25First Quarter20Thu
21Fri7:457.78:128.71:540.32:090.65:048:25Waxing Gibbous21Fri
22Sat8:447.49:068.62:510.33:030.85:058:25Waxing Gibbous22Sat
23Sun9:407.29:568.53:460.33:541.05:058:25Waxing Gibbous23Sun
24Mon10:327.110:448.54:370.34:431.15:058:25Waxing Gibbous24Mon
25Tue11:187.111:278.55:250.35:291.25:068:26Full Moon25Tue
26Wed12:007.16:100.46:131.25:068:26Full Moon26Wed
27Thu12:088.512:407.26:520.46:561.25:068:26Full Moon27Thu
28Fri12:488.61:207.27:330.47:371.25:078:26Full Moon28Fri
29Sat1:288.61:597.48:130.48:181.25:078:26Waning Gibbous29Sat
30Sun2:098.52:407.58:520.49:001.25:088:26Waning Gibbous30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8440466)

Common Questions About Newburyport (Merrimack River), MA Tides

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What time does the tide turn (slack tide) in Newburyport (Merrimack River), MA today?

Slack tide in Newburyport (Merrimack River), MA is approximately 6:34 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 Newburyport (Merrimack River), MA?

Newburyport (Merrimack River), MA is currently in a spring phase. Tonight's moon is 11% 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 Newburyport (Merrimack River), 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 Newburyport (Merrimack River), MA?

Tide predictions for Newburyport (Merrimack River), 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 Newburyport (Merrimack River), MA?

Tide data for Newburyport (Merrimack River), MA is sourced from NOAA Station #8440466. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8440466.

What is the moon phase in Newburyport (Merrimack River), MA tonight?

Tonight the moon over Newburyport (Merrimack River), MA is Waning Crescent (11% illuminated). This places Newburyport (Merrimack River), 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