Tides Today & Tomorrow in Scituate Harbor, MA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently rising in Scituate Harbor, MA.
Next low tide : 9:52 am (0.5 ft)
Next high tide : in 3h 01m at 3:40 am (9.0 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 5:39 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #8445138
Common Questions About Tides

Scituate Harbor, MA Tides - May 1975

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:569.74:358.610:160.110:331.25:387:41Third Quarter1Thu
2Fri4:509.25:308.311:090.611:281.55:377:42Third Quarter2Fri
3Sat5:478.86:288.212:030.95:367:43Third Quarter3Sat
4Sun6:468.57:248.212:261.612:581.15:347:44Third Quarter4Sun
5Mon7:458.38:178.41:251.61:521.35:337:45Waning Crescent5Mon
6Tue8:398.39:058.62:201.42:421.35:327:46Waning Crescent6Tue
7Wed9:298.39:488.83:111.23:281.35:317:47Waning Crescent7Wed
8Thu10:158.310:299.13:580.94:111.25:297:48Waning Crescent8Thu
9Fri10:578.411:079.34:420.64:521.25:287:50New Moon9Fri
10Sat11:378.511:459.55:230.45:321.15:277:51New Moon10Sat
11Sun12:168.66:030.16:111.05:267:52New Moon11Sun
12Mon12:239.712:558.76:43-0.16:510.95:257:53New Moon12Mon
13Tue1:029.91:378.77:25-0.27:340.95:247:54Waxing Crescent13Tue
14Wed1:4410.02:218.88:10-0.38:200.85:237:55Waxing Crescent14Wed
15Thu2:3110.03:098.98:57-0.49:100.85:227:56Waxing Crescent15Thu
16Fri3:2110.04:019.09:48-0.310:040.75:217:57Waxing Crescent16Fri
17Sat4:169.94:579.110:41-0.211:030.75:207:58First Quarter17Sat
18Sun5:159.75:569.311:37-0.25:197:59First Quarter18Sun
19Mon6:199.56:569.612:050.512:36-0.15:188:00First Quarter19Mon
20Tue7:239.47:5610.01:080.21:340.05:178:01Waxing Gibbous20Tue
21Wed8:279.48:5410.42:11-0.12:320.05:168:02Waxing Gibbous21Wed
22Thu9:279.59:4910.73:11-0.53:28-0.15:158:03Waxing Gibbous22Thu
23Fri10:249.510:4110.94:08-0.84:21-0.15:148:04Full Moon23Fri
24Sat11:189.511:3210.95:02-1.05:130.05:148:05Full Moon24Sat
25Sun12:099.55:52-1.06:020.15:138:06Full Moon25Sun
26Mon12:2010.812:579.36:40-0.96:490.35:128:07Full Moon26Mon
27Tue1:0610.61:439.17:27-0.77:360.55:118:07Waning Gibbous27Tue
28Wed1:5210.32:308.98:13-0.48:230.85:118:08Waning Gibbous28Wed
29Thu2:399.93:168.78:59-0.19:121.15:108:09Waning Gibbous29Thu
30Fri3:269.44:048.59:450.310:011.35:108:10Waning Gibbous30Fri
31Sat4:159.04:538.410:330.610:531.55:098:11Third Quarter31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8445138)

Common Questions About Scituate Harbor, MA Tides

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What time does the tide turn (slack tide) in Scituate Harbor, MA today?

Slack tide in Scituate Harbor, MA is approximately 6:46 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 Scituate Harbor, MA?

Scituate Harbor, MA is currently in a transitional phase. Tonight's moon is 66% 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 Scituate Harbor, 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 Scituate Harbor, MA?

Tide predictions for Scituate Harbor, 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 Scituate Harbor, MA?

Tide data for Scituate Harbor, MA is sourced from NOAA Station #8445138. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8445138.

What is the moon phase in Scituate Harbor, MA tonight?

Tonight the moon over Scituate Harbor, MA is Third Quarter (66% illuminated). This places Scituate Harbor, 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