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

TIDE TIMES for Monday, August 3, 2026
The tide is currently rising in Newburyport (Merrimack River), MA.
Next low tide : 10:13 pm (0.5 ft)
Next high tide : in 4h 49m at 3:46 pm (8.5 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 5:37 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #8440466
Common Questions About Tides

Newburyport (Merrimack River), MA Tides - Mar 2085

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:599.33:288.19:35-0.69:500.16:175:33First Quarter1Thu
2Fri3:508.94:207.610:29-0.210:440.56:155:34First Quarter2Fri
3Sat4:438.55:157.111:260.211:410.96:145:36First Quarter3Sat
4Sun5:388.16:136.812:250.56:125:37First Quarter4Sun
5Mon6:377.97:136.712:391.11:240.76:105:38Waxing Gibbous5Mon
6Tue7:367.78:116.71:371.22:190.76:095:39Waxing Gibbous6Tue
7Wed8:327.79:046.92:321.13:110.76:075:40Waxing Gibbous7Wed
8Thu9:237.89:507.13:241.03:580.66:055:42Waxing Gibbous8Thu
9Fri10:087.910:327.44:110.84:410.56:035:43Full Moon9Fri
10Sat10:498.011:107.74:560.65:210.46:025:44Full Moon10Sat
11Sun12:298.16:370.46:590.47:006:45Full Moon11Sun
12Mon12:478.01:078.17:180.27:360.46:586:46Full Moon12Mon
13Tue1:248.31:468.17:570.18:120.46:576:48Waning Gibbous13Tue
14Wed2:028.52:278.08:370.08:490.56:556:49Waning Gibbous14Wed
15Thu2:438.73:117.99:190.09:280.66:536:50Waning Gibbous15Thu
16Fri3:278.83:577.810:040.010:120.76:516:51Waning Gibbous16Fri
17Sat4:158.84:487.610:550.111:030.96:506:52Third Quarter17Sat
18Sun5:088.85:437.411:520.26:486:54Third Quarter18Sun
19Mon6:058.76:427.412:021.012:530.26:466:55Third Quarter19Mon
20Tue7:068.77:457.51:060.91:550.26:446:56Third Quarter20Tue
21Wed8:098.78:477.82:110.72:550.06:436:57Waning Crescent21Wed
22Thu9:128.89:478.23:130.33:52-0.36:416:58Waning Crescent22Thu
23Fri10:129.010:428.74:13-0.14:45-0.56:396:59Waning Crescent23Fri
24Sat11:089.111:349.25:09-0.65:36-0.76:377:01New Moon24Sat
25Sun12:009.26:02-0.96:25-0.76:367:02New Moon25Sun
26Mon12:229.512:509.16:53-1.27:12-0.76:347:03New Moon26Mon
27Tue1:099.71:388.97:43-1.27:58-0.56:327:04Waxing Crescent27Tue
28Wed1:559.72:258.68:31-1.18:45-0.26:307:05Waxing Crescent28Wed
29Thu2:419.53:128.29:19-0.89:320.16:297:06Waxing Crescent29Thu
30Fri3:299.24:007.910:08-0.410:210.56:277:08Waxing Crescent30Fri
31Sat4:188.84:517.510:590.111:130.96:257:09First Quarter31Sat
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 6:59 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 transitional phase. Tonight's moon is 75% 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 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 Gibbous (75% illuminated). This places Newburyport (Merrimack River), 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