Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in Onset Beach, MA.
Next low tide : 10:42 am (0.3 ft)
Next high tide : in 1h 56m at 4:37 am (3.3 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 5:44 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8447277
Common Questions About Tides

Onset Beach, MA Tides - Jan 2097

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:394.311:063.94:21-0.45:26-0.27:094:23Waning Gibbous1Tue
2Wed11:313.95:11-0.26:060.07:094:24Waning Gibbous2Wed
3Thu12:013.712:243.56:030.16:480.27:094:25Third Quarter3Thu
4Fri12:563.61:163.27:030.47:350.37:094:26Third Quarter4Fri
5Sat1:493.42:062.98:260.68:260.47:094:27Third Quarter5Sat
6Sun2:423.32:592.79:540.79:180.57:094:28Third Quarter6Sun
7Mon3:383.23:562.510:530.610:090.47:094:29Waning Crescent7Mon
8Tue4:373.24:562.511:370.510:570.47:094:30Waning Crescent8Tue
9Wed5:313.25:492.612:170.47:084:31Waning Crescent9Wed
10Thu6:173.36:332.712:550.37:084:32Waning Crescent10Thu
11Fri6:583.47:132.912:280.11:360.17:084:33New Moon11Fri
12Sat7:353.57:513.01:110.02:170.07:074:34New Moon12Sat
13Sun8:103.68:283.11:54-0.12:58-0.17:074:35New Moon13Sun
14Mon8:463.69:063.12:37-0.23:34-0.17:074:36New Moon14Mon
15Tue9:223.69:453.23:18-0.24:07-0.27:064:37Waxing Crescent15Tue
16Wed10:013.610:273.23:57-0.24:37-0.27:064:38Waxing Crescent16Wed
17Thu10:443.511:123.24:36-0.15:07-0.27:054:40Waxing Crescent17Thu
18Fri11:303.45:170.05:42-0.27:044:41Waxing Crescent18Fri
19Sat12:003.312:213.26:030.16:23-0.17:044:42First Quarter19Sat
20Sun12:513.41:143.17:000.27:13-0.17:034:43First Quarter20Sun
21Mon1:453.52:113.08:160.38:13-0.17:034:45First Quarter21Mon
22Tue2:443.63:142.99:550.39:21-0.17:024:46First Quarter22Tue
23Wed3:493.74:233.011:210.110:30-0.27:014:47Waxing Gibbous23Wed
24Thu4:593.95:303.212:230.07:004:48Waxing Gibbous24Thu
25Fri6:034.26:293.51:18-0.26:594:49Waxing Gibbous25Fri
26Sat7:004.47:233.812:35-0.52:11-0.36:594:51Full Moon26Sat
27Sun7:524.58:144.01:32-0.63:00-0.46:584:52Full Moon27Sun
28Mon8:414.59:034.12:28-0.63:43-0.56:574:53Full Moon28Mon
29Tue9:294.49:524.13:21-0.64:18-0.46:564:55Waning Gibbous29Tue
30Wed10:164.110:414.04:08-0.54:49-0.46:554:56Waning Gibbous30Wed
31Thu11:023.711:303.84:52-0.35:18-0.26:544:57Waning Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447277)

Common Questions About Onset Beach, MA Tides

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What time does the tide turn (slack tide) in Onset Beach, MA today?

Slack tide in Onset Beach, MA is approximately 7:39 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 Onset Beach, MA?

Onset Beach, 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 Onset Beach, 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 Onset Beach, MA?

Tide predictions for Onset Beach, 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 Onset Beach, MA?

Tide data for Onset Beach, MA is sourced from NOAA Station #8447277. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447277.

What is the moon phase in Onset Beach, MA tonight?

Tonight the moon over Onset Beach, MA is Waning Crescent (22% illuminated). This places Onset Beach, 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