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 2h 43m 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 - Dec 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:524.511:203.94:29-0.35:340.06:504:12Waxing Crescent1Tue
2Wed11:484.25:230.06:270.26:514:12Waxing Crescent2Wed
3Thu12:183.812:453.86:240.47:320.36:524:12First Quarter3Thu
4Fri1:173.71:403.58:050.68:430.46:534:12First Quarter4Fri
5Sat2:133.62:353.29:490.79:350.56:544:12First Quarter5Sat
6Sun3:113.63:323.010:520.710:140.56:554:11Waxing Gibbous6Sun
7Mon4:093.54:302.911:380.610:480.46:564:11Waxing Gibbous7Mon
8Tue5:063.65:252.912:140.56:574:11Waxing Gibbous8Tue
9Wed5:553.66:133.012:460.46:584:11Waxing Gibbous9Wed
10Thu6:393.76:553.112:020.31:190.36:594:12Waxing Gibbous10Thu
11Fri7:173.77:353.112:420.11:560.27:004:12Full Moon11Fri
12Sat7:533.78:133.21:240.12:350.17:004:12Full Moon12Sat
13Sun8:283.78:503.22:060.03:150.17:014:12Full Moon13Sun
14Mon9:023.69:283.12:490.03:520.17:024:12Full Moon14Mon
15Tue9:383.510:073.13:300.04:250.17:034:12Waning Gibbous15Tue
16Wed10:163.510:493.14:100.14:560.17:034:13Waning Gibbous16Wed
17Thu10:573.311:343.14:490.25:270.27:044:13Waning Gibbous17Thu
18Fri11:433.25:300.36:020.27:044:14Waning Gibbous18Fri
19Sat12:223.212:333.26:180.46:450.27:054:14Third Quarter19Sat
20Sun1:123.31:263.17:190.47:380.17:064:14Third Quarter20Sun
21Mon2:043.52:223.08:340.48:390.17:064:15Third Quarter21Mon
22Tue3:013.73:243.09:570.39:43-0.17:074:15Waning Crescent22Tue
23Wed4:043.94:313.111:090.110:45-0.27:074:16Waning Crescent23Wed
24Thu5:084.25:353.412:10-0.17:074:17Waning Crescent24Thu
25Fri6:094.56:343.61:05-0.37:084:17Waning Crescent25Fri
26Sat7:054.77:293.912:40-0.62:00-0.47:084:18New Moon26Sat
27Sun7:584.88:214.11:36-0.72:54-0.57:084:19New Moon27Sun
28Mon8:504.89:134.12:32-0.73:44-0.57:094:19New Moon28Mon
29Tue9:404.610:054.13:28-0.64:28-0.47:094:20Waxing Crescent29Tue
30Wed10:314.310:584.04:21-0.45:07-0.37:094:21Waxing Crescent30Wed
31Thu11:224.011:513.95:10-0.25:44-0.17:094:22Waxing Crescent31Thu
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