Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Friday, June 5, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide : in 4h 23m at 11:21 am (0.6 ft)
Next high tide : 4:57 pm (6.3 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:06 am
Moon phase : Waning Gibbous (76% illuminated)
Tide Station Location : Station #8440369
Common Questions About Tides

Merrimacport, MA Tides - Apr 2029

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:378.63:067.69:22-1.09:37-0.36:247:10Waning Gibbous1Sun
2Mon3:268.63:577.310:14-0.910:28-0.16:237:11Waning Gibbous2Mon
3Tue4:188.44:506.911:08-0.611:220.26:217:12Waning Gibbous3Tue
4Wed5:118.15:456.612:04-0.36:197:13Third Quarter4Wed
5Thu6:077.76:416.412:180.41:000.06:187:14Third Quarter5Thu
6Fri7:037.47:386.21:150.71:560.36:167:16Third Quarter6Fri
7Sat8:017.08:366.12:140.82:530.56:147:17Third Quarter7Sat
8Sun9:006.89:346.23:120.93:470.56:127:18Waning Crescent8Sun
9Mon9:576.710:276.34:080.84:380.66:117:19Waning Crescent9Mon
10Tue10:486.611:136.55:000.75:250.66:097:20Waning Crescent10Tue
11Wed11:346.611:556.85:480.66:100.66:077:21Waning Crescent11Wed
12Thu12:176.66:350.56:530.76:067:22New Moon12Thu
13Fri12:357.012:596.67:200.47:350.76:047:24New Moon13Fri
14Sat1:157.21:406.68:030.38:160.86:027:25New Moon14Sat
15Sun1:557.32:206.68:450.38:560.96:017:26New Moon15Sun
16Mon2:357.53:026.69:270.39:351.05:597:27Waxing Crescent16Mon
17Tue3:177.53:456.510:100.410:171.15:587:28Waxing Crescent17Tue
18Wed4:007.54:316.410:560.511:021.25:567:29Waxing Crescent18Wed
19Thu4:487.55:216.411:450.511:521.25:547:31Waxing Crescent19Thu
20Fri5:397.56:136.412:360.55:537:32First Quarter20Fri
21Sat6:327.47:076.512:461.21:300.55:517:33First Quarter21Sat
22Sun7:287.48:036.61:441.12:250.45:507:34First Quarter22Sun
23Mon8:257.49:006.92:440.93:200.35:487:35Waxing Gibbous23Mon
24Tue9:257.49:577.33:430.64:130.15:477:36Waxing Gibbous24Tue
25Wed10:227.510:517.84:390.25:040.05:457:37Waxing Gibbous25Wed
26Thu11:187.511:438.25:34-0.25:55-0.15:447:39Waxing Gibbous26Thu
27Fri12:117.56:27-0.66:45-0.25:427:40Full Moon27Fri
28Sat12:348.51:047.57:20-0.87:35-0.25:417:41Full Moon28Sat
29Sun1:248.71:567.48:12-0.98:24-0.15:397:42Full Moon29Sun
30Mon2:148.82:467.29:03-0.99:140.05:387:43Waning Gibbous30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8440369)

Common Questions About Merrimacport, MA Tides

Show All
What time does the tide turn (slack tide) in Merrimacport, MA today?

Slack tide in Merrimacport, MA is approximately 2:09 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 Merrimacport, MA?

Merrimacport, MA is currently in a transitional phase. Tonight's moon is 76% 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 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 (76% illuminated). This places Merrimacport, 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