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 3h 30m 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 - Nov 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu6:099.46:2610.212:110.012:331.07:135:36Third Quarter1Thu
2Fri7:139.67:3210.11:130.11:370.87:145:34Waning Crescent2Fri
3Sat8:169.98:3810.22:140.12:410.57:155:33Waning Crescent3Sat
4Sun8:1510.38:4010.32:13-0.12:420.16:174:32Waning Crescent4Sun
5Mon9:0910.79:3510.43:09-0.23:39-0.36:184:31Waning Crescent5Mon
6Tue9:5811.010:2610.44:01-0.34:31-0.66:194:30New Moon6Tue
7Wed10:4311.111:1410.34:48-0.25:19-0.86:204:28New Moon7Wed
8Thu11:2711.15:330.06:05-0.86:224:27New Moon8Thu
9Fri12:0110.112:1010.96:180.26:50-0.66:234:26Waxing Crescent9Fri
10Sat12:479.812:5310.67:020.67:35-0.26:244:25Waxing Crescent10Sat
11Sun1:319.41:3710.37:461.08:190.16:254:24Waxing Crescent11Sun
12Mon2:179.12:229.98:311.49:060.66:264:23Waxing Crescent12Mon
13Tue3:048.83:109.59:181.89:550.96:284:22First Quarter13Tue
14Wed3:558.54:029.210:102.010:461.26:294:21First Quarter14Wed
15Thu4:478.44:568.911:042.111:381.46:304:21First Quarter15Thu
16Fri5:408.55:518.811:592.16:314:20First Quarter16Fri
17Sat6:328.76:468.912:291.412:531.96:324:19Waxing Gibbous17Sat
18Sun7:219.07:399.01:191.31:461.66:344:18Waxing Gibbous18Sun
19Mon8:089.48:299.22:081.12:371.16:354:17Waxing Gibbous19Mon
20Tue8:519.99:159.52:540.83:240.56:364:17Waxing Gibbous20Tue
21Wed9:3210.39:599.73:390.64:090.06:374:16Full Moon21Wed
22Thu10:1310.810:439.94:220.34:54-0.56:384:15Full Moon22Thu
23Fri10:5511.211:2910.05:050.15:39-0.96:404:15Full Moon23Fri
24Sat11:3911.45:50-0.16:25-1.16:414:14Full Moon24Sat
25Sun12:1610.112:2611.56:37-0.17:13-1.26:424:14Waning Gibbous25Sun
26Mon1:0610.01:1611.47:260.08:04-1.16:434:13Waning Gibbous26Mon
27Tue1:579.92:0811.28:180.18:57-0.96:444:13Waning Gibbous27Tue
28Wed2:539.83:0510.89:140.49:53-0.66:454:12Third Quarter28Wed
29Thu3:529.74:0710.410:140.610:53-0.36:464:12Third Quarter29Thu
30Fri4:549.75:1310.011:180.711:53-0.16:474:11Third Quarter30Fri
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