Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Sunday, July 12, 2026
The tide is currently rising in Onset Beach, MA.
Next low tide (tomorrow) : 2:41 am (0.0 ft)
Next high tide : in 3h 11m at 7:35 pm (4.7 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:19 am
Moon phase : Waning Crescent (5% illuminated)
Tide Station Location : Station #8447277
Common Questions About Tides

Onset Beach, MA Tides - Feb 1981

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:363.15:562.812:310.16:544:58Waning Crescent1Sun
2Mon6:223.46:423.112:11-0.11:13-0.16:534:59Waning Crescent2Mon
3Tue7:053.77:263.412:57-0.31:54-0.36:525:00New Moon3Tue
4Wed7:484.08:103.61:42-0.52:34-0.56:515:01New Moon4Wed
5Thu8:324.18:553.82:27-0.63:13-0.66:505:03New Moon5Thu
6Fri9:174.29:423.93:13-0.73:51-0.76:495:04Waxing Crescent6Fri
7Sat10:044.210:304.03:59-0.74:28-0.76:475:05Waxing Crescent7Sat
8Sun10:544.011:224.04:45-0.65:07-0.66:465:06Waxing Crescent8Sun
9Mon11:473.85:33-0.45:50-0.56:455:08Waxing Crescent9Mon
10Tue12:173.912:433.66:28-0.16:39-0.36:445:09First Quarter10Tue
11Wed1:143.91:413.47:410.27:37-0.16:435:10First Quarter11Wed
12Thu2:133.82:423.29:490.38:470.16:415:12First Quarter12Thu
13Fri3:183.73:473.211:120.210:070.16:405:13Waxing Gibbous13Fri
14Sat4:273.74:553.212:110.16:395:14Waxing Gibbous14Sat
15Sun5:323.85:563.41:010.06:375:15Waxing Gibbous15Sun
16Mon6:294.06:493.712:15-0.11:45-0.16:365:17Waxing Gibbous16Mon
17Tue7:184.17:373.81:03-0.22:23-0.16:355:18Full Moon17Tue
18Wed8:034.18:213.91:47-0.32:53-0.26:335:19Full Moon18Wed
19Thu8:454.09:043.92:30-0.33:19-0.26:325:20Full Moon19Thu
20Fri9:253.99:453.83:11-0.33:45-0.26:305:22Full Moon20Fri
21Sat10:043.610:263.63:51-0.34:15-0.26:295:23Waning Gibbous21Sat
22Sun10:433.411:063.44:30-0.24:46-0.16:275:24Waning Gibbous22Sun
23Mon11:213.111:463.25:09-0.15:200.06:265:25Waning Gibbous23Mon
24Tue12:012.85:500.15:570.16:245:26Waning Gibbous24Tue
25Wed12:273.012:432.66:350.46:380.36:235:28Third Quarter25Wed
26Thu1:092.91:282.57:300.57:290.46:215:29Third Quarter26Thu
27Fri1:542.82:172.48:430.68:320.56:205:30Third Quarter27Fri
28Sat2:462.83:132.410:060.69:430.46:185:31Third Quarter28Sat
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 11:08 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 Onset Beach, MA?

Onset Beach, MA is currently in a spring phase. Tonight's moon is 5% 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 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 (5% illuminated). This places Onset Beach, 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