Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Onset Beach, MA.
Next low tide : 6:15 pm (0.5 ft)
Next high tide : in 3h 58m at 12:11 pm (3.4 ft)
Sunset today : 8:20 pm
Sunrise tomorrow : 5:13 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8447277
Common Questions About Tides

Onset Beach, MA Tides - Dec 1993

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:173.99:483.43:08-0.14:050.06:504:13Waning Gibbous1Wed
2Thu10:013.910:353.43:50-0.14:390.06:514:12Waning Gibbous2Thu
3Fri10:483.811:253.44:320.05:160.16:524:12Waning Gibbous3Fri
4Sat11:403.75:170.15:570.16:534:12Waning Gibbous4Sat
5Sun12:193.512:353.66:100.26:470.26:544:12Third Quarter5Sun
6Mon1:143.61:313.57:140.47:480.26:554:12Third Quarter6Mon
7Tue2:103.82:303.48:360.48:550.16:564:12Third Quarter7Tue
8Wed3:094.03:323.410:080.310:000.06:574:12Waning Crescent8Wed
9Thu4:124.24:373.511:200.110:59-0.26:584:12Waning Crescent9Thu
10Fri5:144.45:403.612:18-0.16:594:12Waning Crescent10Fri
11Sat6:124.76:363.81:09-0.26:594:12New Moon11Sat
12Sun7:064.87:294.012:42-0.42:00-0.37:004:12New Moon12Sun
13Mon7:574.88:194.01:32-0.42:49-0.37:014:12New Moon13Mon
14Tue8:464.79:094.02:22-0.43:34-0.37:024:12New Moon14Tue
15Wed9:344.59:583.93:12-0.34:13-0.27:024:12Waxing Crescent15Wed
16Thu10:224.210:473.73:59-0.24:490.07:034:13Waxing Crescent16Thu
17Fri11:113.811:383.54:440.05:230.17:044:13Waxing Crescent17Fri
18Sat12:003.55:290.36:010.27:044:13Waxing Crescent18Sat
19Sun12:293.412:483.26:180.56:440.47:054:14First Quarter19Sun
20Mon1:193.21:352.97:170.77:340.57:064:14First Quarter20Mon
21Tue2:073.12:222.78:380.88:300.57:064:15First Quarter21Tue
22Wed2:563.03:122.610:000.89:280.57:074:15First Quarter22Wed
23Thu3:503.04:082.510:590.610:230.47:074:16Waxing Gibbous23Thu
24Fri4:453.15:042.611:470.511:130.27:074:16Waxing Gibbous24Fri
25Sat5:353.25:532.812:300.37:084:17Waxing Gibbous25Sat
26Sun6:183.46:373.01:110.17:084:18Waxing Gibbous26Sun
27Mon6:573.67:193.212:42-0.11:520.07:084:18Full Moon27Mon
28Tue7:363.88:013.41:25-0.22:33-0.27:094:19Full Moon28Tue
29Wed8:173.98:433.52:08-0.33:11-0.37:094:20Full Moon29Wed
30Thu8:594.09:283.62:52-0.43:47-0.37:094:21Full Moon30Thu
31Fri9:434.010:143.73:37-0.44:21-0.47:094:21Waning Gibbous31Fri
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 3:13 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 81% 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 (81% 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