Tides Today & Tomorrow in Brant Rock, Green Harbor River, MA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently rising in Brant Rock, Green Harbor River, MA.
Next low tide (tomorrow) : 3:31 am (-0.2 ft)
Next high tide : in 27m at 9:02 pm (10.4 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 5:44 am
Moon phase : Waning Crescent (13% illuminated)
Tide Station Location : Station #8446009
Common Questions About Tides

Brant Rock, Green Harbor River, MA Tides - Aug 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed11:209.611:3711.05:04-0.85:160.05:368:01Full Moon1Wed
2Thu12:119.85:55-0.86:08-0.15:378:00Full Moon2Thu
3Fri12:2710.912:589.96:43-0.86:57-0.25:387:58Full Moon3Fri
4Sat1:1510.71:439.97:28-0.67:45-0.15:397:57Waning Gibbous4Sat
5Sun2:0110.32:279.88:12-0.38:320.15:407:56Waning Gibbous5Sun
6Mon2:469.83:129.78:550.19:190.45:417:55Waning Gibbous6Mon
7Tue3:339.33:579.59:400.510:080.75:427:53Waning Gibbous7Tue
8Wed4:218.84:449.210:250.910:581.05:437:52Third Quarter8Wed
9Thu5:118.45:349.011:141.311:511.25:447:51Third Quarter9Thu
10Fri6:058.06:278.812:051.75:457:49Third Quarter10Fri
11Sat7:027.77:238.712:471.412:591.95:467:48Third Quarter11Sat
12Sun8:017.68:198.81:441.41:552.05:477:47Waning Crescent12Sun
13Mon8:567.79:119.02:391.32:481.95:487:45Waning Crescent13Mon
14Tue9:467.99:599.23:301.13:381.75:497:44Waning Crescent14Tue
15Wed10:318.210:439.44:170.94:251.45:507:42Waning Crescent15Wed
16Thu11:138.511:269.75:010.65:091.05:527:41New Moon16Thu
17Fri11:538.95:410.35:530.65:537:39New Moon17Fri
18Sat12:079.912:329.46:210.06:360.35:547:38New Moon18Sat
19Sun12:4810.11:129.87:01-0.27:19-0.15:557:36Waxing Crescent19Sun
20Mon1:3110.21:5410.17:43-0.38:06-0.35:567:35Waxing Crescent20Mon
21Tue2:1610.12:3910.48:27-0.38:55-0.55:577:33Waxing Crescent21Tue
22Wed3:069.93:2910.59:14-0.29:48-0.45:587:32Waxing Crescent22Wed
23Thu3:599.64:2210.510:060.010:44-0.35:597:30First Quarter23Thu
24Fri4:569.35:2010.411:010.311:44-0.26:007:29First Quarter24Fri
25Sat5:589.06:2310.312:010.56:017:27First Quarter25Sat
26Sun7:048.97:2910.312:48-0.11:050.66:027:25Waxing Gibbous26Sun
27Mon8:118.98:3410.31:530.02:100.66:037:24Waxing Gibbous27Mon
28Tue9:149.19:3610.42:56-0.13:120.46:047:22Waxing Gibbous28Tue
29Wed10:129.410:3310.53:55-0.34:100.26:057:21Waxing Gibbous29Wed
30Thu11:059.711:2510.54:48-0.45:040.06:067:19Full Moon30Thu
31Fri11:539.95:36-0.45:54-0.16:077:17Full Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8446009)

Common Questions About Brant Rock, Green Harbor River, MA Tides

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What time does the tide turn (slack tide) in Brant Rock, Green Harbor River, MA today?

Slack tide in Brant Rock, Green Harbor River, MA is approximately 12:16 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 Brant Rock, Green Harbor River, MA?

Brant Rock, Green Harbor River, MA is currently in a spring phase. Tonight's moon is 13% 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 Brant Rock, Green Harbor River, 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 Brant Rock, Green Harbor River, MA?

Tide predictions for Brant Rock, Green Harbor River, 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 Brant Rock, Green Harbor River, MA?

Tide data for Brant Rock, Green Harbor River, MA is sourced from NOAA Station #8446009. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8446009.

What is the moon phase in Brant Rock, Green Harbor River, MA tonight?

Tonight the moon over Brant Rock, Green Harbor River, MA is Waning Crescent (13% illuminated). This places Brant Rock, Green Harbor River, 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