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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently rising in Brant Rock, Green Harbor River, MA.
Next low tide : 10:43 pm (0.4 ft)
Next high tide : in 6h 17m at 4:40 pm (9.7 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:06 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #8446009
Common Questions About Tides

Brant Rock, Green Harbor River, MA Tides - Apr 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:258.87:058.012:111.712:501.06:237:08Third Quarter1Fri
2Sat7:248.98:038.31:081.61:470.86:227:09Waning Crescent2Sat
3Sun8:239.28:578.82:061.32:420.56:207:10Waning Crescent3Sun
4Mon9:199.79:509.43:030.73:350.06:187:11Waning Crescent4Mon
5Tue10:1210.110:4010.13:570.14:26-0.46:177:13Waning Crescent5Tue
6Wed11:0510.511:2910.84:49-0.65:15-0.86:157:14New Moon6Wed
7Thu11:5610.85:41-1.26:04-1.16:137:15New Moon7Thu
8Fri12:1711.312:4611.06:32-1.76:52-1.26:127:16New Moon8Fri
9Sat1:0611.61:3710.97:23-1.97:42-1.16:107:17Waxing Crescent9Sat
10Sun1:5611.72:3010.78:15-1.88:33-0.96:087:18Waxing Crescent10Sun
11Mon2:4911.53:2510.39:09-1.69:27-0.56:077:19Waxing Crescent11Mon
12Tue3:4411.14:229.810:05-1.110:240.06:057:20First Quarter12Tue
13Wed4:4210.65:239.411:03-0.611:240.46:037:21First Quarter13Wed
14Thu5:4410.16:269.112:04-0.16:027:23First Quarter14Thu
15Fri6:499.77:329.012:270.81:070.36:007:24First Quarter15Fri
16Sat7:559.48:349.01:311.02:090.55:597:25Waxing Gibbous16Sat
17Sun8:569.39:309.12:341.03:060.65:577:26Waxing Gibbous17Sun
18Mon9:519.210:189.23:300.93:560.75:567:27Waxing Gibbous18Mon
19Tue10:409.111:009.24:200.84:410.85:547:28Waxing Gibbous19Tue
20Wed11:229.111:389.35:040.75:210.95:527:29Full Moon20Wed
21Thu12:009.05:440.65:571.05:517:30Full Moon21Thu
22Fri12:129.312:368.96:210.56:331.05:497:31Full Moon22Fri
23Sat12:469.41:128.86:580.47:091.15:487:33Full Moon23Sat
24Sun1:219.41:488.77:350.47:471.25:477:34Waning Gibbous24Sun
25Mon1:579.42:278.68:150.48:261.35:457:35Waning Gibbous25Mon
26Tue2:369.33:098.58:570.59:091.55:447:36Waning Gibbous26Tue
27Wed3:189.33:548.49:420.69:551.65:427:37Waning Gibbous27Wed
28Thu4:059.24:438.310:300.710:461.65:417:38Third Quarter28Thu
29Fri4:569.15:368.311:220.711:411.65:397:39Third Quarter29Fri
30Sat5:529.16:338.512:170.75:387:40Third Quarter30Sat
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 7:41 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 Brant Rock, Green Harbor River, MA?

Brant Rock, Green Harbor River, MA is currently in a transitional phase. Tonight's moon is 37% 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 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 First Quarter (37% illuminated). This places Brant Rock, Green Harbor River, 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