Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Thursday, June 4, 2026
The tide is currently rising in Merrimacport, MA.
Next low tide : 10:35 am (0.6 ft)
Next high tide : in 2h 16m at 3:37 am (7.5 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:06 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Jun 2025

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:057.85:426.411:580.15:078:15First Quarter1Sun
2Mon5:597.46:356.412:130.912:500.35:078:16First Quarter2Mon
3Tue6:527.07:276.51:091.01:410.55:068:17First Quarter3Tue
4Wed7:456.78:206.62:051.12:320.75:068:18First Quarter4Wed
5Thu8:396.49:126.73:001.13:230.85:068:18Waxing Gibbous5Thu
6Fri9:336.210:016.93:551.04:120.95:058:19Waxing Gibbous6Fri
7Sat10:246.110:467.04:460.94:581.05:058:20Waxing Gibbous7Sat
8Sun11:126.011:307.25:340.75:431.15:058:20Waxing Gibbous8Sun
9Mon11:576.06:210.66:281.25:058:21Full Moon9Mon
10Tue12:137.312:416.07:070.67:121.25:058:21Full Moon10Tue
11Wed12:557.41:256.17:520.57:551.35:048:22Full Moon11Wed
12Thu1:387.62:096.18:350.48:371.25:048:23Full Moon12Thu
13Fri2:217.72:526.29:180.49:191.25:048:23Waning Gibbous13Fri
14Sat3:057.83:376.310:020.410:031.25:048:23Waning Gibbous14Sat
15Sun3:517.84:256.510:480.310:521.25:048:24Waning Gibbous15Sun
16Mon4:407.85:166.611:360.311:451.15:048:24Waning Gibbous16Mon
17Tue5:327.76:086.912:250.35:048:25Third Quarter17Tue
18Wed6:267.57:017.112:421.01:150.35:058:25Third Quarter18Wed
19Thu7:217.37:557.41:400.82:070.35:058:25Third Quarter19Thu
20Fri8:197.18:517.72:410.63:010.35:058:25Waning Crescent20Fri
21Sat9:196.99:478.03:400.33:550.45:058:26Waning Crescent21Sat
22Sun10:186.710:428.34:380.04:490.45:058:26Waning Crescent22Sun
23Mon11:146.611:368.55:34-0.25:420.45:068:26Waning Crescent23Mon
24Tue12:106.66:28-0.46:340.45:068:26New Moon24Tue
25Wed12:298.51:036.57:22-0.57:270.45:068:26New Moon25Wed
26Thu1:218.51:556.58:13-0.48:190.45:078:26New Moon26Thu
27Fri2:118.42:446.59:03-0.49:090.55:078:26Waxing Crescent27Fri
28Sat3:008.23:336.69:51-0.210:000.65:088:26Waxing Crescent28Sat
29Sun3:497.94:216.610:390.010:520.75:088:26Waxing Crescent29Sun
30Mon4:377.65:116.611:280.211:440.95:098:26Waxing Crescent30Mon
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 7:06 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 84% 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 (84% 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