Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Friday, August 7, 2026
The tide is currently rising in Onset Beach, MA.
Next low tide : 9:29 am (0.3 ft)
Next high tide : in 12m at 3:31 am (3.2 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 5:43 am
Moon phase : Third Quarter (32% illuminated)
Tide Station Location : Station #8447277
Common Questions About Tides

Onset Beach, MA Tides - Jun 1952

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:542.93:353.29:400.710:250.95:108:10First Quarter1Sun
2Mon3:402.84:223.310:290.611:280.75:098:11First Quarter2Mon
3Tue4:342.85:153.611:150.55:098:12Waxing Gibbous3Tue
4Wed5:342.96:093.812:210.512:010.35:088:12Waxing Gibbous4Wed
5Thu6:323.17:004.11:090.312:450.15:088:13Waxing Gibbous5Thu
6Fri7:263.37:504.41:540.11:310.05:088:14Full Moon6Fri
7Sat8:173.68:404.62:420.02:19-0.25:078:14Full Moon7Sat
8Sun9:073.89:304.73:32-0.13:09-0.25:078:15Full Moon8Sun
9Mon9:593.910:224.84:24-0.24:03-0.25:078:16Full Moon9Mon
10Tue10:514.011:154.75:14-0.24:57-0.25:078:16Waning Gibbous10Tue
11Wed11:464.06:02-0.15:520.05:078:17Waning Gibbous11Wed
12Thu12:104.512:434.16:500.06:490.25:078:17Waning Gibbous12Thu
13Fri1:064.31:414.17:420.18:000.45:078:18Third Quarter13Fri
14Sat2:034.02:384.28:400.29:460.65:078:18Third Quarter14Sat
15Sun2:593.83:354.29:400.311:130.65:078:18Third Quarter15Sun
16Mon3:563.54:344.210:340.45:078:19Waning Crescent16Mon
17Tue4:563.35:344.212:170.511:21 AM0.45:078:19Waning Crescent17Tue
18Wed5:583.36:334.21:090.512:050.45:078:20Waning Crescent18Wed
19Thu6:563.37:254.21:530.512:470.45:078:20Waning Crescent19Thu
20Fri7:463.48:124.22:330.51:290.45:078:20New Moon20Fri
21Sat8:333.58:564.13:100.42:130.45:078:20New Moon21Sat
22Sun9:173.59:384.03:470.42:580.35:088:20New Moon22Sun
23Mon9:593.510:173.94:230.43:450.35:088:21New Moon23Mon
24Tue10:413.410:553.74:580.44:320.45:088:21Waxing Crescent24Tue
25Wed11:223.411:323.65:310.45:160.45:098:21Waxing Crescent25Wed
26Thu12:033.36:040.45:580.55:098:21Waxing Crescent26Thu
27Fri12:093.412:443.36:370.56:410.75:098:21Waxing Crescent27Fri
28Sat12:483.21:263.37:100.57:280.85:108:21First Quarter28Sat
29Sun1:283.12:073.37:470.58:230.95:108:21First Quarter29Sun
30Mon2:113.02:493.48:300.69:290.95:118:21First Quarter30Mon
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 6:30 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 32% 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 Third Quarter (32% 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