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 5h 39m 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 - Aug 2033

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:029.34:279.410:311.010:581.35:357:59First Quarter1Mon
2Tue4:489.05:139.411:171.311:481.55:367:57First Quarter2Tue
3Wed5:388.66:019.312:041.65:377:56First Quarter3Wed
4Thu6:308.46:519.312:401.612:541.75:387:55First Quarter4Thu
5Fri7:248.37:429.51:331.51:451.85:407:54Waxing Gibbous5Fri
6Sat8:198.48:359.72:271.32:381.65:417:53Waxing Gibbous6Sat
7Sun9:138.69:2710.13:201.03:311.45:427:51Waxing Gibbous7Sun
8Mon10:059.010:1710.64:120.54:230.95:437:50Waxing Gibbous8Mon
9Tue10:539.511:0511.05:010.05:130.45:447:49Full Moon9Tue
10Wed11:4010.011:5411.45:48-0.66:03-0.15:457:47Full Moon10Wed
11Thu12:2710.56:35-1.06:52-0.65:467:46Full Moon11Thu
12Fri12:4311.61:1510.97:22-1.27:42-0.95:477:45Waning Gibbous12Fri
13Sat1:3411.62:0411.28:10-1.38:34-1.05:487:43Waning Gibbous13Sat
14Sun2:2511.42:5411.38:59-1.29:26-0.95:497:42Waning Gibbous14Sun
15Mon3:1911.13:4611.39:50-0.910:22-0.75:507:40Waning Gibbous15Mon
16Tue4:1410.64:4111.110:43-0.411:20-0.45:517:39Third Quarter16Tue
17Wed5:1410.15:4010.811:410.15:527:38Third Quarter17Wed
18Thu6:179.66:4210.512:220.012:400.55:537:36Third Quarter18Thu
19Fri7:229.37:4510.41:250.21:410.85:547:35Waning Crescent19Fri
20Sat8:289.28:4810.32:280.32:431.05:557:33Waning Crescent20Sat
21Sun9:319.29:4710.33:310.33:431.05:567:32Waning Crescent21Sun
22Mon10:269.410:4010.44:280.24:380.85:577:30Waning Crescent22Mon
23Tue11:149.611:2610.45:170.25:270.75:587:28New Moon23Tue
24Wed11:569.76:010.16:120.65:597:27New Moon24Wed
25Thu12:0810.312:369.86:410.16:540.56:007:25New Moon25Thu
26Fri12:4910.21:139.87:190.27:350.56:017:24New Moon26Fri
27Sat1:2810.01:509.87:570.48:150.66:027:22Waxing Crescent27Sat
28Sun2:089.82:289.88:350.68:560.76:037:20Waxing Crescent28Sun
29Mon2:479.63:069.79:140.89:370.96:047:19Waxing Crescent29Mon
30Tue3:299.23:479.69:541.110:221.16:057:17Waxing Crescent30Tue
31Wed4:138.94:309.410:371.411:091.36:067:16First Quarter31Wed
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