Tides Today & Tomorrow in Merrimack River Entrance, MA

TIDE TIMES for Sunday, June 7, 2026
The tide is currently rising in Merrimack River Entrance, MA.
Next low tide : 11:40 pm (1.4 ft)
Next high tide : in 4h 43m at 5:32 pm (7.5 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:05 am
Moon phase : Third Quarter (58% illuminated)
Tide Station Location : Station #8440452
Common Questions About Tides

Merrimack River Entrance, MA Tides - Jun 2032

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:018.86:388.912:21-0.35:068:15Third Quarter1Tue
2Wed7:048.67:379.112:540.11:19-0.15:068:16Waning Crescent2Wed
3Thu8:068.48:359.21:580.02:180.05:068:16Waning Crescent3Thu
4Fri9:068.39:309.32:59-0.13:140.15:058:17Waning Crescent4Fri
5Sat10:038.210:229.43:56-0.34:070.35:058:18Waning Crescent5Sat
6Sun10:568.111:119.44:49-0.44:570.45:058:19New Moon6Sun
7Mon11:458.011:579.35:38-0.45:450.55:048:19New Moon7Mon
8Tue12:318.06:24-0.36:300.65:048:20New Moon8Tue
9Wed12:419.21:147.97:07-0.27:140.85:048:20New Moon9Wed
10Thu1:249.01:577.87:49-0.17:570.95:048:21Waxing Crescent10Thu
11Fri2:068.82:397.88:300.18:401.05:048:21Waxing Crescent11Fri
12Sat2:498.63:237.79:130.29:261.15:048:22Waxing Crescent12Sat
13Sun3:348.34:097.79:570.410:141.25:048:22Waxing Crescent13Sun
14Mon4:228.04:567.710:430.611:051.35:048:23First Quarter14Mon
15Tue5:127.85:467.711:310.811:581.35:048:23First Quarter15Tue
16Wed6:047.66:367.812:210.95:048:24First Quarter16Wed
17Thu6:587.47:278.012:531.21:111.15:048:24First Quarter17Thu
18Fri7:537.38:188.21:481.12:021.15:048:24Waxing Gibbous18Fri
19Sat8:477.39:088.42:410.92:521.15:048:25Waxing Gibbous19Sat
20Sun9:397.49:558.83:330.53:411.05:048:25Waxing Gibbous20Sun
21Mon10:287.610:439.14:220.24:290.85:058:25Waxing Gibbous21Mon
22Tue11:177.911:309.55:10-0.25:160.55:058:25Full Moon22Tue
23Wed12:058.25:57-0.66:050.35:058:25Full Moon23Wed
24Thu12:189.712:538.56:45-0.86:540.05:058:25Full Moon24Thu
25Fri1:079.91:428.77:33-1.17:45-0.25:068:25Waning Gibbous25Fri
26Sat1:5710.02:338.98:22-1.18:38-0.35:068:25Waning Gibbous26Sat
27Sun2:509.83:259.19:13-1.19:34-0.35:078:25Waning Gibbous27Sun
28Mon3:459.64:209.210:06-0.910:32-0.25:078:25Third Quarter28Mon
29Tue4:429.25:179.211:00-0.611:33-0.15:088:25Third Quarter29Tue
30Wed5:428.86:159.211:57-0.35:088:25Third Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8440452)

Common Questions About Merrimack River Entrance, MA Tides

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

Slack tide in Merrimack River Entrance, MA is approximately 8:36 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 Merrimack River Entrance, MA?

Merrimack River Entrance, MA is currently in a neap phase. Tonight's moon is 58% 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 minimum.

What datum are Merrimack River Entrance, 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 Merrimack River Entrance, MA?

Tide predictions for Merrimack River Entrance, 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 Merrimack River Entrance, MA?

Tide data for Merrimack River Entrance, MA is sourced from NOAA Station #8440452. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8440452.

What is the moon phase in Merrimack River Entrance, MA tonight?

Tonight the moon over Merrimack River Entrance, MA is Third Quarter (58% illuminated). This places Merrimack River Entrance, MA in a neap tide cycle, so tidal ranges are near their weekly minimum 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