Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Barnstable Harbor, MA.
Next low tide : in 49m at 10:46 am (-0.2 ft)
Next high tide : 4:49 pm (9.9 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:06 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - Mar 2021

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:2810.512:4711.06:55-1.07:21-1.26:155:31Waning Gibbous1Mon
2Tue1:1210.81:3510.87:43-1.18:06-1.06:135:32Waning Gibbous2Tue
3Wed1:5810.92:2510.48:33-1.18:55-0.76:115:34Waning Gibbous3Wed
4Thu2:4710.83:199.99:27-0.89:47-0.16:105:35Third Quarter4Thu
5Fri3:4110.64:199.310:25-0.410:440.46:085:36Third Quarter5Fri
6Sat4:4010.25:248.811:280.011:450.86:075:37Third Quarter6Sat
7Sun5:449.96:338.512:340.26:055:38Third Quarter7Sun
8Mon6:529.87:448.512:501.11:420.36:035:39Waning Crescent8Mon
9Tue8:009.88:508.71:561.12:480.26:025:41Waning Crescent9Tue
10Wed9:039.99:459.03:001.03:460.06:005:42Waning Crescent10Wed
11Thu9:5710.110:329.33:570.64:35-0.15:585:43New Moon11Thu
12Fri10:4410.211:149.54:460.45:18-0.25:575:44New Moon12Fri
13Sat11:2810.211:539.75:310.25:58-0.15:555:45New Moon13Sat
14Sun1:0810.07:130.07:360.06:536:46New Moon14Sun
15Mon1:299.71:479.87:530.18:130.36:526:47Waxing Crescent15Mon
16Tue2:059.72:269.58:330.28:500.66:506:49Waxing Crescent16Tue
17Wed2:419.63:069.29:130.49:280.96:486:50Waxing Crescent17Wed
18Thu3:199.43:488.79:550.710:081.36:466:51Waxing Crescent18Thu
19Fri3:599.24:338.310:401.010:531.76:456:52First Quarter19Fri
20Sat4:459.05:248.011:301.311:422.06:436:53First Quarter20Sat
21Sun5:358.86:197.712:241.56:416:54First Quarter21Sun
22Mon6:308.77:167.712:362.21:201.56:406:55First Quarter22Mon
23Tue7:288.88:147.91:322.22:171.36:386:56Waxing Gibbous23Tue
24Wed8:269.19:108.32:291.93:131.06:366:57Waxing Gibbous24Wed
25Thu9:229.610:008.93:261.44:050.56:346:59Waxing Gibbous25Thu
26Fri10:1310.110:459.64:190.84:53-0.16:337:00Waxing Gibbous26Fri
27Sat11:0210.611:2910.35:090.05:39-0.66:317:01Full Moon27Sat
28Sun11:4911.05:57-0.76:23-1.06:297:02Full Moon28Sun
29Mon12:1310.912:3711.26:45-1.27:09-1.26:287:03Full Moon29Mon
30Tue12:5911.41:2611.17:34-1.67:55-1.16:267:04Waning Gibbous30Tue
31Wed1:4511.62:1710.98:24-1.78:43-0.96:247:05Waning Gibbous31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447335)

Common Questions About Barnstable Harbor, MA Tides

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

Slack tide in Barnstable Harbor, MA is approximately 1:47 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 Barnstable Harbor, MA?

Barnstable Harbor, 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 Barnstable 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 Barnstable Harbor, MA?

Tide predictions for Barnstable 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 Barnstable Harbor, MA?

Tide data for Barnstable Harbor, MA is sourced from NOAA Station #8447335. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447335.

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

Tonight the moon over Barnstable Harbor, MA is First Quarter (37% illuminated). This places Barnstable 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