Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in Onset Beach, MA.
Next low tide (tomorrow) : in 7h 07m at 1:44 am (0.2 ft)
Next high tide (tomorrow) : 7:05 am (3.7 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:18 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8447277
Common Questions About Tides

Onset Beach, MA Tides - Aug 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:303.58:464.03:040.32:400.25:378:00New Moon1Sat
2Sun9:113.89:254.23:400.13:250.15:387:59New Moon2Sun
3Mon9:534.010:074.24:140.04:100.05:397:57New Moon3Mon
4Tue10:364.110:504.24:46-0.14:540.05:407:56Waxing Crescent4Tue
5Wed11:224.211:374.05:18-0.15:380.15:417:55Waxing Crescent5Wed
6Thu12:104.35:53-0.16:240.25:427:54Waxing Crescent6Thu
7Fri12:283.81:024.36:31-0.17:150.45:437:53First Quarter7Fri
8Sat1:233.71:574.37:160.18:190.65:447:51First Quarter8Sat
9Sun2:203.52:554.28:110.39:560.75:457:50First Quarter9Sun
10Mon3:203.43:574.29:180.411:410.75:467:49First Quarter10Mon
11Tue4:253.45:064.210:370.55:477:47Waxing Gibbous11Tue
12Wed5:343.56:144.312:460.611:56 AM0.45:487:46Waxing Gibbous12Wed
13Thu6:393.77:134.51:380.41:020.35:497:44Waxing Gibbous13Thu
14Fri7:354.08:054.62:230.31:570.25:507:43Full Moon14Fri
15Sat8:264.28:524.63:030.22:480.15:517:42Full Moon15Sat
16Sun9:144.49:374.53:380.13:360.15:537:40Full Moon16Sun
17Mon9:594.410:194.34:080.14:200.15:547:39Full Moon17Mon
18Tue10:424.411:014.14:370.15:010.25:557:37Waning Gibbous18Tue
19Wed11:254.211:433.75:080.15:390.45:567:36Waning Gibbous19Wed
20Thu12:084.05:410.26:180.55:577:34Waning Gibbous20Thu
21Fri12:263.412:523.76:150.36:590.75:587:33Waning Gibbous21Fri
22Sat1:103.21:353.56:540.57:481.05:597:31Third Quarter22Sat
23Sun1:562.92:203.37:380.78:551.16:007:30Third Quarter23Sun
24Mon2:422.83:063.18:320.810:321.26:017:28Third Quarter24Mon
25Tue3:322.73:593.19:390.911:451.16:027:26Third Quarter25Tue
26Wed4:302.75:023.210:500.96:037:25Waning Crescent26Wed
27Thu5:322.96:023.312:340.911:54 AM0.76:047:23Waning Crescent27Thu
28Fri6:283.26:523.61:150.712:480.56:057:22Waning Crescent28Fri
29Sat7:163.57:353.91:510.41:350.26:067:20Waning Crescent29Sat
30Sun7:593.98:164.12:250.22:200.06:077:18New Moon30Sun
31Mon8:424.28:594.32:580.03:06-0.16:087:17New Moon31Mon
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 4:24 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 spring phase. Tonight's moon is 11% 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 (11% 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