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 : 11:41 pm (0.7 ft)
Next high tide : in 5h 50m at 4:04 pm (4.1 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 - Nov 1951

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:094.89:363.82:51-0.33:51-0.26:144:38Waxing Crescent1Thu
2Fri10:014.610:303.73:37-0.34:380.06:154:37Waxing Crescent2Fri
3Sat10:574.411:283.64:25-0.15:290.26:164:35Waxing Crescent3Sat
4Sun11:574.25:170.16:320.46:174:34First Quarter4Sun
5Mon12:293.612:594.06:170.48:250.66:194:33First Quarter5Mon
6Tue1:313.62:013.97:430.69:470.56:204:32First Quarter6Tue
7Wed2:333.73:033.89:590.610:410.46:214:31First Quarter7Wed
8Thu3:363.84:053.711:100.511:220.36:224:30Waxing Gibbous8Thu
9Fri4:394.05:053.712:020.36:234:29Waxing Gibbous9Fri
10Sat5:354.25:573.712:450.26:254:27Waxing Gibbous10Sat
11Sun6:244.46:453.712:190.11:230.26:264:26Waxing Gibbous11Sun
12Mon7:094.57:293.712:470.11:580.26:274:25Full Moon12Mon
13Tue7:514.48:113.61:200.12:320.26:284:25Full Moon13Tue
14Wed8:314.38:523.51:570.13:070.26:304:24Full Moon14Wed
15Thu9:104.19:333.42:370.13:430.26:314:23Waning Gibbous15Thu
16Fri9:493.810:153.23:190.24:200.46:324:22Waning Gibbous16Fri
17Sat10:303.510:593.04:010.34:580.56:334:21Waning Gibbous17Sat
18Sun11:123.311:452.94:440.45:380.76:344:20Waning Gibbous18Sun
19Mon11:573.15:280.66:230.86:364:19Waning Gibbous19Mon
20Tue12:332.812:423.06:170.87:200.86:374:19Third Quarter20Tue
21Wed1:212.81:282.97:180.98:270.86:384:18Third Quarter21Wed
22Thu2:082.92:152.98:340.99:230.76:394:17Third Quarter22Thu
23Fri2:573.13:072.99:500.810:080.56:404:17Third Quarter23Fri
24Sat3:503.34:043.010:510.510:490.26:424:16Waning Crescent24Sat
25Sun4:443.75:033.111:410.311:300.06:434:15Waning Crescent25Sun
26Mon5:364.05:573.412:270.06:444:15Waning Crescent26Mon
27Tue6:254.46:493.612:12-0.21:13-0.26:454:14New Moon27Tue
28Wed7:144.67:393.712:56-0.42:01-0.36:464:14New Moon28Wed
29Thu8:044.88:303.91:43-0.52:52-0.46:474:14New Moon29Thu
30Fri8:554.89:223.92:33-0.53:44-0.36:484:13Waxing Crescent30Fri
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 7:52 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 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