Tides Today & Tomorrow in Hyannis Harbor, MA

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Hyannis Harbor, MA.
Next low tide : in 3h 34m at 9:45 pm (0.9 ft)
Next high tide (tomorrow) : 4:19 am (3.4 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:12 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8447605
Common Questions About Tides

Hyannis Harbor, MA Tides - Sep 2019

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:514.52:224.17:45-0.28:07-0.26:077:15Waxing Crescent1Sun
2Mon2:474.33:144.38:35-0.29:04-0.26:087:13Waxing Crescent2Mon
3Tue3:434.14:084.39:260.010:01-0.16:097:11Waxing Crescent3Tue
4Wed4:433.85:044.310:160.210:590.06:107:10First Quarter4Wed
5Thu5:463.66:034.211:080.411:580.26:117:08First Quarter5Thu
6Fri6:493.47:024.112:020.66:127:06First Quarter6Fri
7Sat7:523.38:004.012:580.312:550.76:137:05First Quarter7Sat
8Sun8:553.28:593.91:580.41:500.96:147:03Waxing Gibbous8Sun
9Mon9:563.19:563.92:580.52:450.96:157:01Waxing Gibbous9Mon
10Tue10:483.110:473.83:530.63:380.96:167:00Waxing Gibbous10Tue
11Wed11:333.211:333.84:380.64:270.96:176:58Waxing Gibbous11Wed
12Thu12:123.25:160.65:120.86:186:56Full Moon12Thu
13Fri12:153.712:483.25:530.65:550.76:196:54Full Moon13Fri
14Sat12:563.71:233.36:300.66:400.76:206:53Full Moon14Sat
15Sun1:363.61:583.37:090.67:240.66:216:51Full Moon15Sun
16Mon2:153.52:333.47:490.68:090.66:226:49Waning Gibbous16Mon
17Tue2:553.43:093.48:290.78:540.56:236:47Waning Gibbous17Tue
18Wed3:363.23:473.49:090.79:390.56:246:46Waning Gibbous18Wed
19Thu4:203.14:273.59:510.810:260.56:256:44Waning Gibbous19Thu
20Fri5:082.95:133.510:350.811:160.46:266:42Third Quarter20Fri
21Sat5:582.96:033.611:220.96:276:40Third Quarter21Sat
22Sun6:502.86:553.712:080.412:130.86:286:39Third Quarter22Sun
23Mon7:432.97:503.81:020.31:070.76:296:37Third Quarter23Mon
24Tue8:373.08:484.01:570.22:030.66:306:35Waning Crescent24Tue
25Wed9:333.29:474.12:540.13:020.46:316:34Waning Crescent25Wed
26Thu10:283.410:464.23:500.04:020.26:326:32Waning Crescent26Thu
27Fri11:203.711:434.34:43-0.14:590.06:336:30New Moon27Fri
28Sat12:124.05:34-0.25:56-0.26:346:28New Moon28Sat
29Sun12:394.31:044.26:25-0.26:53-0.46:356:27New Moon29Sun
30Mon1:364.21:564.47:16-0.17:51-0.46:366:25Waxing Crescent30Mon
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 1:02 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 Hyannis Harbor, MA?

Hyannis Harbor, MA is currently in a spring phase. Tonight's moon is 81% 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 (81% 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