Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Wednesday, July 1, 2026
The tide is currently rising in Merrimacport, MA.
Next low tide (tomorrow) : 9:26 am (0.5 ft)
Next high tide (tomorrow) : in 3h 45m at 2:31 am (7.5 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:09 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Jun 2007

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:077.51:376.28:030.48:071.25:088:15Full Moon1Fri
2Sat1:507.62:216.28:460.48:481.25:078:16Full Moon2Sat
3Sun2:337.73:056.39:300.49:301.25:078:16Waning Gibbous3Sun
4Mon3:187.83:516.410:150.310:161.25:068:17Waning Gibbous4Mon
5Tue4:057.84:406.511:020.311:061.25:068:18Waning Gibbous5Tue
6Wed4:557.85:326.611:510.35:068:19Waning Gibbous6Wed
7Thu5:497.76:256.912:021.112:420.25:058:19Third Quarter7Thu
8Fri6:437.57:207.11:001.01:340.25:058:20Third Quarter8Fri
9Sat7:407.38:157.41:590.82:270.35:058:20Third Quarter9Sat
10Sun8:397.19:117.73:000.53:210.35:058:21Waning Crescent10Sun
11Mon9:387.010:078.13:590.24:150.35:048:22Waning Crescent11Mon
12Tue10:376.811:008.34:56-0.15:070.35:048:22Waning Crescent12Tue
13Wed11:326.711:538.55:51-0.35:590.35:048:23New Moon13Wed
14Thu12:266.66:45-0.46:510.35:048:23New Moon14Thu
15Fri12:458.51:196.67:37-0.57:430.45:048:24New Moon15Fri
16Sat1:368.52:106.58:28-0.48:330.55:048:24New Moon16Sat
17Sun2:258.42:586.59:17-0.39:230.65:048:24Waxing Crescent17Sun
18Mon3:148.13:466.510:05-0.110:140.75:048:25Waxing Crescent18Mon
19Tue4:027.84:356.510:540.111:060.95:058:25Waxing Crescent19Tue
20Wed4:517.55:256.511:430.311:591.05:058:25First Quarter20Wed
21Thu5:417.26:156.512:320.55:058:25First Quarter21Thu
22Fri6:326.87:056.612:531.11:210.75:058:26First Quarter22Fri
23Sat7:236.57:546.71:471.12:100.85:058:26First Quarter23Sat
24Sun8:156.28:456.82:411.13:001.05:068:26Waxing Gibbous24Sun
25Mon9:096.09:356.93:351.03:501.15:068:26Waxing Gibbous25Mon
26Tue10:025.910:247.14:270.94:381.25:068:26Waxing Gibbous26Tue
27Wed10:525.911:117.25:170.85:251.25:078:26Waxing Gibbous27Wed
28Thu11:395.911:567.46:050.76:111.25:078:26Waxing Gibbous28Thu
29Fri12:266.06:520.66:561.25:088:26Full Moon29Fri
30Sat12:417.61:116.17:380.47:411.15:088:26Full Moon30Sat
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 5:58 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 97% 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 Full Moon (97% 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