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

TIDE TIMES for Monday, August 10, 2026
The tide is currently rising in Newburyport (Merrimack River), MA.
Next low tide (tomorrow) : 5:04 am (-0.4 ft)
Next high tide : in 2h 47m at 10:20 pm (9.5 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 5:44 am
Moon phase : Waning Crescent (6% illuminated)
Tide Station Location : Station #8440466
Common Questions About Tides

Newburyport (Merrimack River), MA Tides - Mar 2097

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:228.51:438.47:49-0.38:10-0.16:175:33Waning Gibbous1Fri
2Sat2:048.52:278.18:35-0.18:520.26:155:34Waning Gibbous2Sat
3Sun2:478.43:127.79:210.19:360.66:135:36Waning Gibbous3Sun
4Mon3:318.23:597.310:090.410:231.06:125:37Third Quarter4Mon
5Tue4:188.04:497.011:020.611:141.36:105:38Third Quarter5Tue
6Wed5:097.85:436.711:570.96:085:39Third Quarter6Wed
7Thu6:037.76:406.512:101.512:551.06:075:41Third Quarter7Thu
8Fri7:007.67:386.51:061.61:521.06:055:42Waning Crescent8Fri
9Sat7:577.78:346.62:021.52:460.86:035:43Waning Crescent9Sat
10Sun9:517.810:256.93:551.44:360.77:026:44Waning Crescent10Sun
11Mon10:418.111:117.24:451.15:210.47:006:45Waning Crescent11Mon
12Tue11:278.311:537.75:310.86:040.26:586:47New Moon12Tue
13Wed12:108.56:160.46:440.06:566:48New Moon13Wed
14Thu12:348.112:538.76:590.17:23-0.16:556:49New Moon14Thu
15Fri1:148.61:368.77:42-0.28:02-0.16:536:50New Moon15Fri
16Sat1:569.02:218.78:27-0.58:43-0.16:516:51Waxing Crescent16Sat
17Sun2:409.23:098.59:14-0.69:270.06:496:53Waxing Crescent17Sun
18Mon3:289.44:008.310:04-0.610:160.26:486:54Waxing Crescent18Mon
19Tue4:199.44:547.910:59-0.411:100.56:466:55First Quarter19Tue
20Wed5:149.25:537.612:00-0.26:446:56First Quarter20Wed
21Thu6:149.06:557.412:120.71:04-0.16:426:57First Quarter21Thu
22Fri7:188.88:017.31:180.82:090.06:416:58Waxing Gibbous22Fri
23Sat8:258.79:077.42:240.83:110.06:397:00Waxing Gibbous23Sat
24Sun9:308.610:087.73:270.64:09-0.16:377:01Waxing Gibbous24Sun
25Mon10:308.711:028.04:260.35:03-0.26:357:02Waxing Gibbous25Mon
26Tue11:238.711:508.35:210.15:51-0.26:347:03Full Moon26Tue
27Wed12:118.66:12-0.16:36-0.26:327:04Full Moon27Wed
28Thu12:338.512:558.56:58-0.37:180.06:307:05Full Moon28Thu
29Fri1:128.61:368.37:42-0.37:580.26:287:06Full Moon29Fri
30Sat1:518.72:178.18:24-0.28:380.46:277:08Waning Gibbous30Sat
31Sun2:308.62:587.89:06-0.19:180.76:257:09Waning Gibbous31Sun
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 1:42 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 Newburyport (Merrimack River), MA?

Newburyport (Merrimack River), MA is currently in a spring phase. Tonight's moon is 6% 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 (6% 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