Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Barnstable Harbor, MA.
Next low tide (tomorrow) : 12:10 am (1.0 ft)
Next high tide : in 10m at 5:45 pm (9.9 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:06 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - Jan 2034

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:4510.78:229.51:450.02:29-0.57:084:21Waxing Gibbous1Sun
2Mon8:4311.09:229.72:44-0.13:28-0.97:084:22Waxing Gibbous2Mon
3Tue9:3911.210:189.93:41-0.24:23-1.27:084:23Full Moon3Tue
4Wed10:3111.311:1010.04:35-0.45:15-1.37:084:24Full Moon4Wed
5Thu11:2211.35:26-0.46:04-1.37:084:25Full Moon5Thu
6Fri12:0010.012:1111.16:15-0.36:51-1.17:084:26Waning Gibbous6Fri
7Sat12:489.912:5910.77:04-0.17:37-0.87:084:27Waning Gibbous7Sat
8Sun1:349.71:4510.37:510.28:22-0.47:074:28Waning Gibbous8Sun
9Mon2:209.52:329.88:390.59:070.17:074:29Waning Gibbous9Mon
10Tue3:059.33:209.39:280.89:540.57:074:30Third Quarter10Tue
11Wed3:539.14:118.810:191.110:420.97:074:31Third Quarter11Wed
12Thu4:428.95:048.411:131.311:321.27:064:32Third Quarter12Thu
13Fri5:338.95:598.212:071.47:064:33Third Quarter13Fri
14Sat6:248.96:558.012:231.41:021.47:064:34Waning Crescent14Sat
15Sun7:179.07:518.11:151.51:571.27:054:35Waning Crescent15Sun
16Mon8:089.38:448.32:071.52:490.97:054:36Waning Crescent16Mon
17Tue8:559.69:318.52:571.23:370.57:044:38Waning Crescent17Tue
18Wed9:4010.010:148.93:440.94:210.07:044:39New Moon18Wed
19Thu10:2210.310:569.24:280.65:04-0.47:034:40New Moon19Thu
20Fri11:0410.611:389.55:120.25:46-0.87:024:41New Moon20Fri
21Sat11:4710.85:56-0.16:28-1.07:024:42New Moon21Sat
22Sun12:219.812:3210.96:42-0.47:12-1.27:014:44Waxing Crescent22Sun
23Mon1:0410.11:1810.97:28-0.57:57-1.27:004:45Waxing Crescent23Mon
24Tue1:4910.32:0610.78:17-0.68:44-1.17:004:46Waxing Crescent24Tue
25Wed2:3710.42:5810.49:09-0.59:34-0.86:594:47First Quarter25Wed
26Thu3:2810.43:549.910:04-0.410:28-0.46:584:49First Quarter26Thu
27Fri4:2410.34:549.511:04-0.211:26-0.16:574:50First Quarter27Fri
28Sat5:2310.25:589.212:06-0.16:564:51First Quarter28Sat
29Sun6:2510.27:059.012:250.21:10-0.16:554:52Waxing Gibbous29Sun
30Mon7:2910.38:129.11:270.32:14-0.26:544:54Waxing Gibbous30Mon
31Tue8:3210.49:139.32:290.33:16-0.56:534:55Waxing Gibbous31Tue
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 8:57 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 neap phase. Tonight's moon is 48% 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 minimum.

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 (48% illuminated). This places Barnstable Harbor, MA in a neap tide cycle, so tidal ranges are near their weekly minimum 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