Tides Today & Tomorrow in Osterville, MA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Osterville, MA.
Next low tide : in 5h 00m at 8:36 am (0.1 ft)
Next high tide : 3:19 pm (2.5 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 5:36 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8447675
Common Questions About Tides

Osterville, MA Tides - Apr 1977

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri9:552.610:232.63:120.23:410.05:246:06Waxing Gibbous1Fri
2Sat10:442.711:082.74:030.04:28-0.15:226:07Full Moon2Sat
3Sun11:312.811:522.94:51-0.25:14-0.25:206:08Full Moon3Sun
4Mon12:192.95:39-0.36:00-0.35:196:09Full Moon4Mon
5Tue12:383.01:082.96:27-0.46:47-0.35:176:11Full Moon5Tue
6Wed1:263.11:592.87:17-0.57:36-0.35:156:12Waning Gibbous6Wed
7Thu2:153.12:512.88:08-0.48:26-0.25:146:13Waning Gibbous7Thu
8Fri3:073.03:452.79:01-0.39:20-0.15:126:14Waning Gibbous8Fri
9Sat4:022.94:442.69:58-0.210:180.15:106:15Third Quarter9Sat
10Sun5:032.85:482.510:59-0.111:210.25:096:16Third Quarter10Sun
11Mon6:072.66:542.412:020.05:076:17Third Quarter11Mon
12Tue7:152.68:002.412:260.21:060.15:056:18Waning Crescent12Tue
13Wed8:222.59:032.51:310.22:080.15:046:19Waning Crescent13Wed
14Thu9:262.59:592.52:350.23:070.15:026:20Waning Crescent14Thu
15Fri10:222.510:462.63:330.13:580.15:016:21Waning Crescent15Fri
16Sat11:092.611:282.64:230.14:420.14:596:23New Moon16Sat
17Sun11:522.65:070.05:220.14:586:24New Moon17Sun
18Mon12:062.712:322.55:480.06:010.14:566:25New Moon18Mon
19Tue12:432.71:112.56:280.06:390.24:556:26New Moon19Tue
20Wed1:202.71:502.57:070.07:170.24:536:27Waxing Crescent20Wed
21Thu1:572.62:292.47:460.07:570.34:526:28Waxing Crescent21Thu
22Fri2:362.63:102.48:260.18:370.34:506:29Waxing Crescent22Fri
23Sat3:162.53:522.39:080.29:210.44:496:30Waxing Crescent23Sat
24Sun4:592.55:382.210:530.211:080.55:477:31First Quarter24Sun
25Mon5:462.46:272.211:420.311:590.55:467:32First Quarter25Mon
26Tue6:382.47:182.212:330.35:447:33First Quarter26Tue
27Wed7:322.48:102.312:530.51:250.35:437:35First Quarter27Wed
28Thu8:272.49:032.41:480.42:180.25:417:36Waxing Gibbous28Thu
29Fri9:242.59:552.52:440.33:110.25:407:37Waxing Gibbous29Fri
30Sat10:192.610:452.73:390.14:030.15:397:38Waxing Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447675)

Common Questions About Osterville, MA Tides

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

Slack tide in Osterville, MA is approximately 11:57 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 spring phase. Tonight's moon is 91% 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 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 (91% illuminated). This places Osterville, 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