Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in Barnstable Harbor, MA.
Next low tide (tomorrow) : 2:48 am (0.3 ft)
Next high tide : in 4h 09m at 7:52 pm (10.6 ft)
Sunset today : 7:50 pm
Sunrise tomorrow : 5:42 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - Mar 1953

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun11:509.75:560.56:180.36:155:31Full Moon1Sun
2Mon12:109.412:269.66:330.36:520.36:145:32Full Moon2Mon
3Tue12:449.51:029.47:110.37:270.56:125:33Waning Gibbous3Tue
4Wed1:189.51:399.17:490.48:030.76:115:34Waning Gibbous4Wed
5Thu1:539.52:188.88:280.58:411.06:095:35Waning Gibbous5Thu
6Fri2:319.43:018.59:110.79:231.36:075:37Waning Gibbous6Fri
7Sat3:139.33:498.110:000.910:111.56:065:38Third Quarter7Sat
8Sun4:039.34:447.910:541.011:061.66:045:39Third Quarter8Sun
9Mon4:599.35:447.911:531.06:035:40Third Quarter9Mon
10Tue6:009.46:478.112:061.612:540.86:015:41Waning Crescent10Tue
11Wed7:049.87:508.61:081.31:560.45:595:42Waning Crescent11Wed
12Thu8:0810.28:489.32:110.82:54-0.25:585:44Waning Crescent12Thu
13Fri9:0710.89:4110.13:120.03:48-0.85:565:45Waning Crescent13Fri
14Sat10:0211.210:3110.84:08-0.74:39-1.25:545:46New Moon14Sat
15Sun10:5411.411:2011.45:01-1.45:27-1.55:525:47New Moon15Sun
16Mon11:4611.45:52-1.86:15-1.55:515:48New Moon16Mon
17Tue12:0811.612:3811.26:44-1.97:03-1.25:495:49Waxing Crescent17Tue
18Wed12:5711.61:2910.77:34-1.77:52-0.75:475:50Waxing Crescent18Wed
19Thu1:4611.32:2210.18:26-1.28:42-0.15:465:51Waxing Crescent19Thu
20Fri2:3710.83:179.49:20-0.69:350.65:445:52First Quarter20Fri
21Sat3:3110.24:168.710:180.110:321.25:425:54First Quarter21Sat
22Sun4:319.65:208.311:200.711:331.75:415:55First Quarter22Sun
23Mon5:359.26:258.112:251.15:395:56First Quarter23Mon
24Tue6:418.97:308.112:371.91:291.35:375:57Waxing Gibbous24Tue
25Wed7:458.98:268.31:401.92:291.25:355:58Waxing Gibbous25Wed
26Thu8:419.09:138.72:391.73:191.15:345:59Waxing Gibbous26Thu
27Fri9:289.29:539.03:301.33:590.95:326:00Waxing Gibbous27Fri
28Sat10:099.410:289.34:130.94:360.85:306:01Full Moon28Sat
29Sun10:479.511:029.64:520.65:100.75:296:02Full Moon29Sun
30Mon11:249.511:369.85:300.45:450.75:276:03Full Moon30Mon
31Tue12:009.46:070.26:200.75:256:05Full Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447335)

Common Questions About Barnstable Harbor, MA Tides

Show All
What time does the tide turn (slack tide) in Barnstable Harbor, MA today?

Slack tide in Barnstable Harbor, MA is approximately 11:20 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 transitional phase. Tonight's moon is 22% 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 Crescent (22% 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