Tides Today & Tomorrow in Scituate Harbor, MA

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in Scituate Harbor, MA.
Next low tide (tomorrow) : 2:22 am (1.4 ft)
Next high tide : in 49m at 7:58 pm (8.5 ft)
Sunset today : 7:33 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #8445138
Common Questions About Tides

Scituate Harbor, MA Tides - Aug 1940

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:588.210:119.73:450.53:541.15:358:02Waning Crescent1Thu
2Fri10:468.610:5910.14:340.14:430.75:368:01New Moon2Fri
3Sat11:329.111:4610.55:20-0.35:310.25:378:00New Moon3Sat
4Sun12:179.66:06-0.76:19-0.25:387:58New Moon4Sun
5Mon12:3310.81:0410.06:51-1.07:08-0.65:397:57Waxing Crescent5Mon
6Tue1:2110.91:5110.47:38-1.27:59-0.85:407:56Waxing Crescent6Tue
7Wed2:1210.82:4110.68:27-1.28:52-0.95:417:55Waxing Crescent7Wed
8Thu3:0510.63:3410.79:18-1.09:48-0.85:427:53Waxing Crescent8Thu
9Fri4:0110.24:2910.610:11-0.710:46-0.65:447:52First Quarter9Fri
10Sat5:009.75:2810.511:07-0.311:48-0.45:457:51First Quarter10Sat
11Sun6:039.36:3110.312:070.15:467:49First Quarter11Sun
12Mon7:109.07:3610.112:52-0.21:090.45:477:48Waxing Gibbous12Mon
13Tue8:168.88:3810.11:56-0.12:120.65:487:47Waxing Gibbous13Tue
14Wed9:188.89:3710.02:580.03:120.75:497:45Waxing Gibbous14Wed
15Thu10:158.910:3110.03:560.04:070.75:507:44Waxing Gibbous15Thu
16Fri11:068.911:199.94:470.04:580.65:517:42Full Moon16Fri
17Sat11:509.05:330.05:430.65:527:41Full Moon17Sat
18Sun12:029.812:299.06:130.16:240.65:537:39Full Moon18Sun
19Mon12:419.61:069.06:500.27:030.75:547:38Full Moon19Mon
20Tue1:189.41:419.07:270.47:420.75:557:36Waning Gibbous20Tue
21Wed1:559.22:179.08:040.58:230.75:567:35Waning Gibbous21Wed
22Thu2:349.02:558.98:430.79:050.85:577:33Waning Gibbous22Thu
23Fri3:158.73:368.99:240.99:500.95:587:32Waning Gibbous23Fri
24Sat3:598.44:218.810:081.210:391.15:597:30Third Quarter24Sat
25Sun4:488.15:098.710:551.411:301.26:007:28Third Quarter25Sun
26Mon5:417.96:038.611:461.66:017:27Third Quarter26Mon
27Tue6:387.76:598.712:261.212:411.76:027:25Third Quarter27Tue
28Wed7:367.87:569.01:231.11:371.66:047:24Waning Crescent28Wed
29Thu8:328.18:509.32:190.82:321.36:057:22Waning Crescent29Thu
30Fri9:258.59:439.83:120.43:260.86:067:20Waning Crescent30Fri
31Sat10:169.010:3410.24:030.04:180.36:077:19New Moon31Sat
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 11:10 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 Scituate Harbor, MA?

Scituate Harbor, MA is currently in a transitional phase. Tonight's moon is 73% 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 Waxing Gibbous (73% 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