Tides Today & Tomorrow in Osterville, MA

TIDE TIMES for Monday, August 3, 2026
The tide is currently falling in Osterville, MA.
Next low tide : in 3h 57m at 10:18 pm (0.2 ft)
Next high tide (tomorrow) : 4:54 am (2.5 ft)
Sunset today : 7:57 pm
Sunrise tomorrow : 5:38 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #8447675
Common Questions About Tides

Osterville, MA Tides - Sep 1973

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:582.64:162.79:310.110:020.06:077:15Waxing Crescent1Sat
2Sun4:462.55:022.610:170.210:520.26:087:13First Quarter2Sun
3Mon5:362.35:512.511:050.411:450.36:097:12First Quarter3Mon
4Tue6:302.26:442.411:570.56:107:10First Quarter4Tue
5Wed7:262.17:402.412:410.412:510.66:117:08First Quarter5Wed
6Thu8:242.18:372.41:380.41:470.66:127:07First Quarter6Thu
7Fri9:212.19:332.42:340.42:430.66:137:05Waxing Gibbous7Fri
8Sat10:152.210:262.43:290.43:370.56:147:03Waxing Gibbous8Sat
9Sun11:032.311:132.54:180.34:270.46:157:01Waxing Gibbous9Sun
10Mon11:452.411:562.65:010.25:120.36:167:00Waxing Gibbous10Mon
11Tue12:232.55:400.25:550.26:176:58Full Moon11Tue
12Wed12:362.612:592.66:180.16:360.16:186:56Full Moon12Wed
13Thu1:162.71:362.76:570.07:180.06:196:55Full Moon13Thu
14Fri1:572.72:152.77:360.08:00-0.16:206:53Waning Gibbous14Fri
15Sat2:392.72:552.88:160.08:45-0.16:216:51Waning Gibbous15Sat
16Sun3:232.63:382.88:590.09:31-0.16:226:49Waning Gibbous16Sun
17Mon4:102.54:252.89:450.110:220.06:236:48Waning Gibbous17Mon
18Tue5:012.55:172.810:360.211:180.06:246:46Third Quarter18Tue
19Wed5:592.46:162.711:330.36:256:44Third Quarter19Wed
20Thu7:012.37:202.712:190.112:350.36:266:42Third Quarter20Thu
21Fri8:072.38:262.71:220.11:390.36:286:41Waning Crescent21Fri
22Sat9:132.49:332.72:260.12:450.26:296:39Waning Crescent22Sat
23Sun10:172.510:372.73:280.03:480.16:306:37Waning Crescent23Sun
24Mon11:132.611:352.84:260.04:470.06:316:35Waning Crescent24Mon
25Tue12:032.75:18-0.15:41-0.16:326:34New Moon25Tue
26Wed12:262.812:502.86:06-0.16:30-0.16:336:32New Moon26Wed
27Thu1:152.81:342.86:510.07:17-0.16:346:30New Moon27Thu
28Fri2:022.72:162.87:340.08:03-0.16:356:29Waxing Crescent28Fri
29Sat2:472.62:592.88:170.18:470.06:366:27Waxing Crescent29Sat
30Sun3:322.53:412.79:000.29:320.16:376:25Waxing Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447675)

Common Questions About Osterville, MA Tides

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What time does the tide turn (slack tide) in Osterville, MA today?

Slack tide in Osterville, MA is approximately 1:36 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 Osterville, MA?

Osterville, MA is currently in a transitional phase. Tonight's moon is 75% 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 Osterville, 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 Osterville, MA?

Tide predictions for Osterville, 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 Osterville, MA?

Tide data for Osterville, MA is sourced from NOAA Station #8447675. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447675.

What is the moon phase in Osterville, MA tonight?

Tonight the moon over Osterville, MA is Waning Gibbous (75% illuminated). This places Osterville, 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