Tides Today & Tomorrow in Onset Beach, MA

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Onset Beach, MA.
Next low tide : in 2h 29m at 6:11 am (0.3 ft)
Next high tide : 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 - Sep 2052

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:352.93:053.38:270.89:481.16:097:15First Quarter1Sun
2Mon3:232.93:553.29:330.911:071.06:107:13First Quarter2Mon
3Tue4:162.94:513.210:440.96:117:11Waxing Gibbous3Tue
4Wed5:163.05:483.412:030.811:48 AM0.76:127:10Waxing Gibbous4Wed
5Thu6:123.26:383.612:470.612:400.56:137:08Waxing Gibbous5Thu
6Fri7:003.57:223.91:260.41:260.36:147:06Waxing Gibbous6Fri
7Sat7:443.88:054.12:020.22:090.16:157:05Full Moon7Sat
8Sun8:274.18:474.32:380.02:53-0.16:167:03Full Moon8Sun
9Mon9:104.49:314.43:15-0.23:38-0.26:177:01Full Moon9Mon
10Tue9:554.610:174.43:53-0.34:23-0.26:186:59Full Moon10Tue
11Wed10:414.711:064.34:33-0.45:08-0.26:196:58Waning Gibbous11Wed
12Thu11:314.611:584.25:14-0.35:540.06:206:56Waning Gibbous12Thu
13Fri12:254.55:57-0.26:430.26:216:54Waning Gibbous13Fri
14Sat12:544.01:224.46:440.07:440.56:226:52Third Quarter14Sat
15Sun1:533.92:224.37:390.39:420.76:236:51Third Quarter15Sun
16Mon2:533.83:244.28:480.511:200.66:246:49Third Quarter16Mon
17Tue3:553.84:294.110:170.66:256:47Waning Crescent17Tue
18Wed5:003.95:364.112:210.511:50 AM0.56:266:46Waning Crescent18Wed
19Thu6:044.06:364.21:090.412:510.46:276:44Waning Crescent19Thu
20Fri7:014.37:294.31:490.31:370.36:286:42Waning Crescent20Fri
21Sat7:514.58:164.42:200.22:180.26:306:40New Moon21Sat
22Sun8:374.68:594.32:470.22:570.16:316:39New Moon22Sun
23Mon9:214.69:414.23:140.13:370.16:326:37New Moon23Mon
24Tue10:034.510:224.03:460.14:160.16:336:35New Moon24Tue
25Wed10:444.311:023.84:210.14:550.26:346:33Waxing Crescent25Wed
26Thu11:244.111:433.54:570.25:340.36:356:32Waxing Crescent26Thu
27Fri12:053.85:340.36:130.56:366:30Waxing Crescent27Fri
28Sat12:263.312:483.56:130.56:550.76:376:28Waxing Crescent28Sat
29Sun1:103.11:333.36:550.77:450.96:386:26First Quarter29Sun
30Mon1:572.92:193.27:450.88:511.06:396:25First 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 9:11 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 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