Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Friday, July 31, 2026
The tide is currently falling in Barnstable Harbor, MA.
Next low tide : in 4h 47m at 7:52 pm (1.0 ft)
Next high tide (tomorrow) : 1:43 am (10.2 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 5:34 am
Moon phase : Waning Gibbous (96% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - May 2083

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:1810.511:3311.85:28-1.15:43-0.45:377:39Full Moon1Sat
2Sun12:1010.66:19-1.56:32-0.55:357:40Full Moon2Sun
3Mon12:2212.11:0310.57:10-1.77:23-0.45:347:41Full Moon3Mon
4Tue1:1412.01:5710.38:02-1.68:15-0.25:337:42Waning Gibbous4Tue
5Wed2:0811.82:5310.08:56-1.39:090.25:317:43Waning Gibbous5Wed
6Thu3:0411.43:519.79:51-0.810:070.65:307:44Waning Gibbous6Thu
7Fri4:0310.84:529.410:50-0.311:081.05:297:46Third Quarter7Fri
8Sat5:0610.25:569.211:510.25:287:47Third Quarter8Sat
9Sun6:129.76:599.212:131.312:530.65:277:48Third Quarter9Sun
10Mon7:189.47:589.31:181.41:520.95:267:49Third Quarter10Mon
11Tue8:219.28:549.52:231.32:491.15:257:50Waning Crescent11Tue
12Wed9:209.19:439.73:231.13:411.25:237:51Waning Crescent12Wed
13Thu10:129.110:259.94:170.94:271.35:227:52Waning Crescent13Thu
14Fri10:579.111:0410.05:030.65:091.45:217:53Waning Crescent14Fri
15Sat11:389.011:4110.15:440.55:481.45:207:54New Moon15Sat
16Sun12:179.06:230.46:261.45:197:55New Moon16Sun
17Mon12:1810.112:568.97:010.47:041.55:197:56New Moon17Mon
18Tue12:5510.11:358.87:400.47:431.65:187:57New Moon18Tue
19Wed1:3410.02:158.78:190.58:231.75:177:58Waxing Crescent19Wed
20Thu2:149.92:558.78:590.69:051.85:167:59Waxing Crescent20Thu
21Fri2:559.83:378.69:400.79:481.95:158:00Waxing Crescent21Fri
22Sat3:389.64:218.610:240.810:361.95:148:01Waxing Crescent22Sat
23Sun4:259.55:088.811:110.911:281.85:148:02First Quarter23Sun
24Mon5:169.45:569.012:000.95:138:02First Quarter24Mon
25Tue6:109.46:469.512:221.612:510.85:128:03First Quarter25Tue
26Wed7:069.47:3810.01:181.21:420.75:128:04Waxing Gibbous26Wed
27Thu8:049.58:3010.52:160.72:360.65:118:05Waxing Gibbous27Thu
28Fri9:039.79:2311.13:140.13:300.45:108:06Waxing Gibbous28Fri
29Sat10:019.910:1611.64:11-0.54:240.25:108:07Waxing Gibbous29Sat
30Sun10:5610.111:0911.95:06-1.05:170.05:098:08Full Moon30Sun
31Mon11:5110.26:00-1.46:10-0.15:098:08Full Moon31Mon
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 10:47 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 96% 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 (96% 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