Tides Today & Tomorrow in Merrimacport, MA

TIDE TIMES for Wednesday, July 1, 2026
The tide is currently falling in Merrimacport, MA.
Next low tide : in 1h 06m at 8:44 am (0.5 ft)
Next high tide : 2:17 pm (6.1 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 - May 2053

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:117.06:260.06:450.25:377:44Full Moon1Thu
2Fri12:327.512:566.97:140.07:300.35:357:46Full Moon2Fri
3Sat1:157.61:396.88:000.08:140.55:347:47Full Moon3Sat
4Sun1:567.62:216.88:440.08:570.65:337:48Full Moon4Sun
5Mon2:377.73:036.79:280.19:400.85:317:49Waning Gibbous5Mon
6Tue3:197.63:476.610:120.210:240.95:307:50Waning Gibbous6Tue
7Wed4:027.54:326.610:580.411:111.15:297:51Waning Gibbous7Wed
8Thu4:497.45:216.511:470.55:287:52Waning Gibbous8Thu
9Fri5:387.36:116.512:011.212:360.65:267:53Third Quarter9Fri
10Sat6:297.17:026.512:531.31:270.75:257:55Third Quarter10Sat
11Sun7:217.07:546.61:461.32:190.75:247:56Third Quarter11Sun
12Mon8:147.08:476.72:411.23:110.75:237:57Third Quarter12Mon
13Tue9:097.09:407.03:361.04:010.65:227:58Waning Crescent13Tue
14Wed10:037.010:317.44:280.74:500.45:217:59Waning Crescent14Wed
15Thu10:557.211:207.85:190.45:380.35:208:00Waning Crescent15Thu
16Fri11:467.36:080.06:250.25:198:01New Moon16Fri
17Sat12:098.212:377.46:58-0.37:130.15:188:02New Moon17Sat
18Sun12:588.51:287.57:48-0.68:010.05:178:03New Moon18Sun
19Mon1:488.82:197.58:38-0.88:51-0.15:168:04New Moon19Mon
20Tue2:388.93:107.59:29-0.99:42-0.15:158:05Waxing Crescent20Tue
21Wed3:298.94:037.510:21-0.910:350.05:148:06Waxing Crescent21Wed
22Thu4:228.74:587.411:15-0.711:320.15:148:07Waxing Crescent22Thu
23Fri5:188.45:547.312:10-0.65:138:08First Quarter23Fri
24Sat6:158.16:517.212:300.31:06-0.45:128:09First Quarter24Sat
25Sun7:127.77:487.21:290.32:01-0.25:118:10First Quarter25Sun
26Mon8:107.38:467.22:270.42:560.05:118:11Waxing Gibbous26Mon
27Tue9:097.09:427.33:260.43:500.15:108:12Waxing Gibbous27Tue
28Wed10:056.810:347.44:210.34:410.25:098:12Waxing Gibbous28Wed
29Thu10:576.611:207.45:130.35:290.45:098:13Waxing Gibbous29Thu
30Fri11:446.56:020.26:160.55:088:14Full Moon30Fri
31Sat12:047.512:296.56:500.27:020.65:088:15Full Moon31Sat
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 11:30 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