Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Monday, August 3, 2026
The tide is currently falling in Barnstable Harbor, MA.
Next low tide : in 5h 22m at 10:01 pm (0.6 ft)
Next high tide (tomorrow) : 3:48 am (9.7 ft)
Sunset today : 7:57 pm
Sunrise tomorrow : 5:37 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - Nov 2087

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:518.63:579.510:071.810:411.07:135:35Waxing Crescent1Sat
2Sun3:388.53:469.39:561.910:311.16:144:34First Quarter2Sun
3Mon4:288.64:399.210:491.911:221.16:164:33First Quarter3Mon
4Tue5:198.85:339.311:441.76:174:32First Quarter4Tue
5Wed6:119.16:299.412:141.012:401.36:184:30Waxing Gibbous5Wed
6Thu7:029.77:269.71:060.71:360.76:194:29Waxing Gibbous6Thu
7Fri7:5410.38:2110.01:590.42:320.16:214:28Waxing Gibbous7Fri
8Sat8:4511.09:1510.42:510.03:25-0.66:224:27Waxing Gibbous8Sat
9Sun9:3411.610:0710.73:42-0.44:18-1.36:234:26Full Moon9Sun
10Mon10:2312.110:5910.84:33-0.75:09-1.76:244:25Full Moon10Mon
11Tue11:1412.311:5310.85:23-0.96:01-1.96:254:24Full Moon11Tue
12Wed12:0712.36:15-0.86:53-1.96:274:23Waning Gibbous12Wed
13Thu12:4710.71:0112.07:07-0.67:47-1.66:284:22Waning Gibbous13Thu
14Fri1:4310.41:5711.58:02-0.38:41-1.16:294:21Waning Gibbous14Fri
15Sat2:4010.12:5511.08:590.29:38-0.66:304:20Third Quarter15Sat
16Sun3:409.93:5710.39:590.610:380.06:314:19Third Quarter16Sun
17Mon4:429.75:019.811:020.911:380.46:334:19Third Quarter17Mon
18Tue5:449.66:059.412:061.16:344:18Third Quarter18Tue
19Wed6:439.67:089.212:360.71:091.16:354:17Waning Crescent19Wed
20Thu7:389.78:079.11:330.92:090.96:364:16Waning Crescent20Thu
21Fri8:299.88:599.12:261.13:040.76:374:16Waning Crescent21Fri
22Sat9:1410.09:459.13:141.13:500.56:394:15Waning Crescent22Sat
23Sun9:5410.110:269.13:571.14:320.36:404:14New Moon23Sun
24Mon10:3210.111:059.14:371.15:110.26:414:14New Moon24Mon
25Tue11:0910.211:449.05:161.15:500.26:424:13New Moon25Tue
26Wed11:4710.15:551.16:280.26:434:13New Moon26Wed
27Thu12:239.012:2510.16:341.27:070.26:444:12Waxing Crescent27Thu
28Fri1:028.91:0410.07:141.37:460.36:454:12Waxing Crescent28Fri
29Sat1:428.81:459.87:561.48:270.46:464:12Waxing Crescent29Sat
30Sun2:228.82:279.78:391.49:100.56:474:11Waxing Crescent30Sun
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 12:54 am — 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 75% 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 Waning Gibbous (75% 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