Tides Today & Tomorrow in Hyannis Harbor, MA

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Hyannis Harbor, MA.
Next low tide : 9:23 pm (0.6 ft)
Next high tide : in 10m at 3:43 pm (3.3 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 5:36 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8447605
Common Questions About Tides

Hyannis Harbor, MA Tides - Dec 1985

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:432.62:263.57:480.98:390.26:484:11Waning Gibbous1Sun
2Mon3:262.63:103.48:340.99:240.26:494:11Waning Gibbous2Mon
3Tue4:122.63:593.49:230.910:100.26:504:11Third Quarter3Tue
4Wed4:592.74:533.310:160.810:570.26:514:11Third Quarter4Wed
5Thu5:452.95:483.211:120.711:450.26:524:11Third Quarter5Thu
6Fri6:313.26:453.212:110.56:534:10Third Quarter6Fri
7Sat7:193.57:443.112:340.21:100.26:544:10Waning Crescent7Sat
8Sun8:093.88:453.11:250.22:11-0.16:554:10Waning Crescent8Sun
9Mon9:014.19:453.12:170.13:10-0.36:564:10Waning Crescent9Mon
10Tue9:544.410:433.13:100.14:07-0.66:574:10New Moon10Tue
11Wed10:474.611:403.24:020.15:02-0.76:584:10New Moon11Wed
12Thu11:424.64:550.15:58-0.76:584:11New Moon12Thu
13Fri12:373.212:374.65:500.16:53-0.76:594:11Waxing Crescent13Fri
14Sat1:323.21:324.56:450.27:48-0.67:004:11Waxing Crescent14Sat
15Sun2:273.22:284.37:410.28:40-0.47:014:11Waxing Crescent15Sun
16Mon3:243.23:254.08:370.49:31-0.27:014:11Waxing Crescent16Mon
17Tue4:243.24:253.79:340.510:210.07:024:12First Quarter17Tue
18Wed5:223.25:263.410:320.611:090.27:034:12First Quarter18Wed
19Thu6:153.36:253.211:310.611:550.47:034:13First Quarter19Thu
20Fri7:043.37:233.012:290.77:044:13First Quarter20Fri
21Sat7:503.38:222.812:390.61:270.67:044:13Waxing Gibbous21Sat
22Sun8:353.49:182.71:240.72:220.57:054:14Waxing Gibbous22Sun
23Mon9:163.510:082.62:100.83:110.47:054:15Waxing Gibbous23Mon
24Tue9:573.510:532.62:550.83:550.37:064:15Waxing Gibbous24Tue
25Wed10:373.611:352.63:380.84:370.27:064:16Full Moon25Wed
26Thu11:183.64:220.85:200.17:064:16Full Moon26Thu
27Fri12:162.611:59 AM3.65:060.86:030.17:074:17Full Moon27Fri
28Sat12:562.612:403.65:510.76:480.07:074:18Full Moon28Sat
29Sun1:352.61:223.66:370.77:310.07:074:18Waning Gibbous29Sun
30Mon2:152.62:033.67:240.78:140.07:074:19Waning Gibbous30Mon
31Tue2:562.72:473.58:120.68:550.07:074:20Waning Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447605)

Common Questions About Hyannis Harbor, MA Tides

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What time does the tide turn (slack tide) in Hyannis Harbor, MA today?

Slack tide in Hyannis Harbor, MA is approximately 6:33 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 Hyannis Harbor, MA?

Hyannis Harbor, MA is currently in a spring phase. Tonight's moon is 84% 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 Hyannis 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 Hyannis Harbor, MA?

Tide predictions for Hyannis 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 Hyannis Harbor, MA?

Tide data for Hyannis Harbor, MA is sourced from NOAA Station #8447605. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447605.

What is the moon phase in Hyannis Harbor, MA tonight?

Tonight the moon over Hyannis Harbor, MA is Waning Gibbous (84% illuminated). This places Hyannis 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