Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Barnstable Harbor, MA.
Next low tide : in 2h 20m at 8:33 pm (0.8 ft)
Next high tide (tomorrow) : 2:22 am (10.1 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 5:35 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - Mar 1965

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:109.610:428.84:131.24:480.36:155:31New Moon1Mon
2Tue10:509.911:199.14:550.85:250.16:145:32New Moon2Tue
3Wed11:2810.011:549.45:340.56:01-0.16:125:33New Moon3Wed
4Thu12:0610.16:140.26:38-0.26:115:34New Moon4Thu
5Fri12:299.612:4410.16:530.07:15-0.26:095:36Waxing Crescent5Fri
6Sat1:059.81:249.97:34-0.17:53-0.16:075:37Waxing Crescent6Sat
7Sun1:4310.02:069.78:17-0.18:340.16:065:38Waxing Crescent7Sun
8Mon2:2410.12:529.49:03-0.19:200.46:045:39Waxing Crescent8Mon
9Tue3:0910.13:449.09:550.110:110.76:025:40First Quarter9Tue
10Wed4:0210.04:428.710:520.211:080.96:015:41First Quarter10Wed
11Thu5:019.95:468.511:540.35:595:42First Quarter11Thu
12Fri6:059.96:548.512:101.112:590.25:575:44Waxing Gibbous12Fri
13Sat7:1210.08:028.81:151.02:050.05:565:45Waxing Gibbous13Sat
14Sun8:2010.39:049.32:210.73:07-0.45:545:46Waxing Gibbous14Sun
15Mon9:2110.710:009.93:230.24:04-0.85:525:47Waxing Gibbous15Mon
16Tue10:1711.010:5010.34:20-0.34:55-1.05:515:48Full Moon16Tue
17Wed11:0911.111:3710.65:12-0.75:43-1.15:495:49Full Moon17Wed
18Thu11:5911.06:02-1.06:29-1.05:475:50Full Moon18Thu
19Fri12:2310.712:4710.76:50-1.07:13-0.65:465:51Waning Gibbous19Fri
20Sat1:0710.61:3310.27:37-0.87:57-0.15:445:53Waning Gibbous20Sat
21Sun1:5010.42:209.78:24-0.48:410.55:425:54Waning Gibbous21Sun
22Mon2:3310.03:079.19:120.19:271.15:405:55Waning Gibbous22Mon
23Tue3:209.63:598.510:020.610:161.65:395:56Third Quarter23Tue
24Wed4:109.24:548.110:571.111:102.05:375:57Third Quarter24Wed
25Thu5:068.85:537.811:541.45:355:58Third Quarter25Thu
26Fri6:048.76:527.812:062.212:521.65:345:59Third Quarter26Fri
27Sat7:048.77:508.01:042.21:501.55:326:00Waning Crescent27Sat
28Sun8:018.98:428.32:012.02:431.35:306:01Waning Crescent28Sun
29Mon8:529.29:268.72:541.73:290.95:286:02Waning Crescent29Mon
30Tue9:379.510:059.23:411.24:100.65:276:04Waning Crescent30Tue
31Wed10:189.810:429.64:240.74:490.35:256:05New Moon31Wed
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 11:27 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 spring phase. Tonight's moon is 91% 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 maximum.

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 Waning Gibbous (91% illuminated). This places Barnstable Harbor, MA in a spring tide cycle, so tidal ranges are near their weekly maximum 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