Tides Today & Tomorrow in Osterville, MA

TIDE TIMES for Saturday, July 18, 2026
The tide is currently rising in Osterville, MA.
Next low tide (tomorrow) : 10:33 am (0.0 ft)
Next high tide (tomorrow) : in 4h 52m at 4:50 am (2.7 ft)
Sunset today : 8:12 pm
Sunrise tomorrow : 5:23 am
Moon phase : Waxing Crescent (23% illuminated)
Tide Station Location : Station #8447675
Common Questions About Tides

Osterville, MA Tides - Aug 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue9:242.39:402.82:460.12:550.35:367:59Waning Crescent1Tue
2Wed10:272.310:422.93:480.03:570.25:377:58Waning Crescent2Wed
3Thu11:282.411:423.04:48-0.14:570.15:387:56New Moon3Thu
4Fri12:262.55:45-0.25:540.05:397:55New Moon4Fri
5Sat12:393.01:212.66:38-0.36:50-0.15:407:54New Moon5Sat
6Sun1:353.02:142.77:30-0.37:45-0.15:417:53Waxing Crescent6Sun
7Mon2:303.03:062.88:20-0.38:39-0.15:427:52Waxing Crescent7Mon
8Tue3:242.93:562.89:09-0.29:32-0.15:437:50Waxing Crescent8Tue
9Wed4:172.84:452.89:58-0.110:250.05:447:49Waxing Crescent9Wed
10Thu5:102.65:352.710:470.111:210.15:457:48First Quarter10Thu
11Fri6:062.56:282.611:390.25:467:46First Quarter11Fri
12Sat7:042.37:222.512:190.212:330.45:477:45First Quarter12Sat
13Sun8:042.28:182.51:180.31:280.55:487:44First Quarter13Sun
14Mon9:052.19:162.42:190.32:240.65:497:42Waxing Gibbous14Mon
15Tue10:052.110:132.43:200.43:210.65:507:41Waxing Gibbous15Tue
16Wed11:002.111:052.54:160.34:150.55:517:39Waxing Gibbous16Wed
17Thu11:472.211:502.55:040.35:030.55:527:38Waxing Gibbous17Thu
18Fri12:282.35:460.25:470.45:537:36Full Moon18Fri
19Sat12:322.61:062.36:230.26:270.35:547:35Full Moon19Sat
20Sun1:112.61:422.46:590.17:070.35:557:33Full Moon20Sun
21Mon1:492.62:172.47:340.17:460.25:577:32Full Moon21Mon
22Tue2:272.62:522.58:100.18:250.25:587:30Waning Gibbous22Tue
23Wed3:052.63:272.58:460.19:060.25:597:29Waning Gibbous23Wed
24Thu3:442.54:032.69:230.19:480.26:007:27Waning Gibbous24Thu
25Fri4:252.54:432.610:030.210:340.26:017:26Waning Gibbous25Fri
26Sat5:112.45:282.610:470.311:250.26:027:24Third Quarter26Sat
27Sun6:022.36:192.611:370.36:037:22Third Quarter27Sun
28Mon7:002.27:172.612:220.212:340.46:047:21Third Quarter28Mon
29Tue8:022.28:192.71:230.21:350.46:057:19Waning Crescent29Tue
30Wed9:082.29:252.72:270.12:380.36:067:18Waning Crescent30Wed
31Thu10:142.310:302.83:310.13:430.26:077:16Waning Crescent31Thu
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 7:41 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 23% 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 Waxing Crescent (23% 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