Tides Today & Tomorrow in Hyannis Harbor, MA

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Hyannis Harbor, MA.
Next low tide (tomorrow) : 2:18 am (0.2 ft)
Next high tide : in 1h 08m at 8:06 pm (4.1 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:15 am
Moon phase : Waning Crescent (30% illuminated)
Tide Station Location : Station #8447605
Common Questions About Tides

Hyannis Harbor, MA Tides - Oct 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:392.86:443.712:000.86:386:23Third Quarter1Fri
2Sat7:322.97:423.812:510.312:570.76:396:21Third Quarter2Sat
3Sun8:263.18:423.91:460.31:570.56:406:20Waning Crescent3Sun
4Mon9:213.49:423.92:410.22:580.36:416:18Waning Crescent4Mon
5Tue10:153.710:413.93:350.13:590.06:426:16Waning Crescent5Tue
6Wed11:074.111:393.94:270.04:58-0.26:436:14New Moon6Wed
7Thu11:584.35:180.05:54-0.46:446:13New Moon7Thu
8Fri12:363.912:504.56:080.06:51-0.56:456:11New Moon8Fri
9Sat1:323.81:424.66:580.17:47-0.56:466:10Waxing Crescent9Sat
10Sun2:273.72:344.57:500.28:41-0.46:476:08Waxing Crescent10Sun
11Mon3:223.53:274.48:410.49:34-0.26:486:06Waxing Crescent11Mon
12Tue4:183.44:224.29:330.510:270.06:496:05Waxing Crescent12Tue
13Wed5:193.25:214.010:250.711:210.26:516:03First Quarter13Wed
14Thu6:203.16:213.811:180.86:526:01First Quarter14Thu
15Fri7:183.17:193.612:140.412:130.96:536:00First Quarter15Fri
16Sat8:123.18:153.51:050.61:081.06:545:58First Quarter16Sat
17Sun9:033.19:103.41:540.72:030.96:555:57Waxing Gibbous17Sun
18Mon9:483.210:023.32:410.72:580.96:565:55Waxing Gibbous18Mon
19Tue10:273.310:493.23:260.83:500.76:575:54Waxing Gibbous19Tue
20Wed11:043.411:333.24:070.84:370.66:595:52Waxing Gibbous20Wed
21Thu11:403.54:470.85:210.47:005:51Full Moon21Thu
22Fri12:153.112:173.65:270.76:050.37:015:49Full Moon22Fri
23Sat12:573.112:553.76:080.86:490.27:025:48Full Moon23Sat
24Sun1:393.01:333.76:500.87:340.17:035:46Full Moon24Sun
25Mon2:203.02:133.77:340.88:200.17:045:45Waning Gibbous25Mon
26Tue3:022.92:553.88:190.89:060.17:065:44Waning Gibbous26Tue
27Wed3:462.83:393.79:050.89:530.17:075:42Waning Gibbous27Wed
28Thu4:332.84:293.79:530.810:420.17:085:41Waning Gibbous28Thu
29Fri5:252.85:253.710:450.711:340.17:095:40Third Quarter29Fri
30Sat6:182.96:243.711:420.67:105:38Third Quarter30Sat
31Sun7:113.17:233.612:260.112:410.57:125:37Third Quarter31Sun
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 11:12 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 transitional phase. Tonight's moon is 30% 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 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 Crescent (30% illuminated). This places Hyannis 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