Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Onset Beach, MA.
Next low tide : in 1h 10m at 5:17 pm (0.3 ft)
Next high tide : 11:13 pm (3.8 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 5:37 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8447277
Common Questions About Tides

Onset Beach, MA Tides - Dec 1961

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:483.02:572.89:190.89:550.66:504:13Third Quarter1Fri
2Sat3:383.13:492.810:270.710:400.46:514:12Waning Crescent2Sat
3Sun4:303.24:442.911:200.511:210.26:524:12Waning Crescent3Sun
4Mon5:193.55:343.112:050.26:534:12Waning Crescent4Mon
5Tue6:033.76:213.312:470.06:544:12Waning Crescent5Tue
6Wed6:464.07:053.512:37-0.21:28-0.26:554:12New Moon6Wed
7Thu7:284.27:513.71:17-0.32:11-0.36:564:12New Moon7Thu
8Fri8:134.48:373.81:59-0.42:55-0.46:574:12New Moon8Fri
9Sat8:594.59:263.82:44-0.53:39-0.46:584:12New Moon9Sat
10Sun9:484.510:173.83:30-0.54:23-0.46:584:12Waxing Crescent10Sun
11Mon10:404.311:113.84:18-0.45:08-0.36:594:12Waxing Crescent11Mon
12Tue11:364.25:08-0.25:56-0.17:004:12Waxing Crescent12Tue
13Wed12:093.812:334.06:030.06:530.07:014:12First Quarter13Wed
14Thu1:073.81:323.87:120.38:040.17:024:12First Quarter14Thu
15Fri2:063.82:313.79:050.49:220.17:024:12First Quarter15Fri
16Sat3:073.93:333.610:420.310:240.17:034:13Waxing Gibbous16Sat
17Sun4:104.04:363.511:430.211:120.07:044:13Waxing Gibbous17Sun
18Mon5:124.25:363.612:330.17:044:13Waxing Gibbous18Mon
19Tue6:074.36:293.71:180.07:054:14Waxing Gibbous19Tue
20Wed6:574.47:183.712:32-0.11:58-0.17:054:14Full Moon20Wed
21Thu7:444.48:043.81:12-0.22:36-0.17:064:15Full Moon21Thu
22Fri8:284.38:493.71:54-0.23:10-0.17:074:15Full Moon22Fri
23Sat9:104.19:323.62:37-0.23:43-0.17:074:16Full Moon23Sat
24Sun9:513.910:153.43:20-0.14:160.07:074:16Waning Gibbous24Sun
25Mon10:323.610:593.24:04-0.14:510.17:084:17Waning Gibbous25Mon
26Tue11:133.311:433.14:460.15:270.27:084:18Waning Gibbous26Tue
27Wed11:543.15:290.26:060.37:084:18Waning Gibbous27Wed
28Thu12:282.912:362.96:160.46:490.47:094:19Third Quarter28Thu
29Fri1:122.91:182.77:110.67:410.47:094:20Third Quarter29Fri
30Sat1:562.92:032.68:190.78:380.47:094:20Third Quarter30Sat
31Sun2:422.92:532.69:340.69:380.37:094:21Third Quarter31Sun
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 8:15 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 91% 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 Gibbous (91% 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