Tides Today & Tomorrow in Oceanside, CA

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently rising in Oceanside, CA.
Next low tide : 11:00 pm (1.4 ft)
Next high tide : in 2h 43m at 2:34 pm (4.8 ft)
Sunset today : 7:30 pm
Sunrise tomorrow : 6:15 am
Moon phase : First Quarter (47% illuminated)
Tide Station Location : Station #9410230
Common Questions About Tides

Oceanside, CA Tides - Apr 1945

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:063.36:010.45:181.56:377:09Waning Gibbous1Sun
2Mon1:002.86:490.55:341.96:357:10Waning Gibbous2Mon
3Tue12:124.42:332.57:530.75:452.36:347:11Waning Gibbous3Tue
4Wed12:564.29:240.76:337:11Third Quarter4Wed
5Thu2:134.17:052.910:570.59:352.96:317:12Third Quarter5Thu
6Fri4:014.17:133.312:010.16:307:13Third Quarter6Fri
7Sat5:284.47:333.712:48-0.36:297:14Waning Crescent7Sat
8Sun6:324.87:574.212:371.91:28-0.66:287:14Waning Crescent8Sun
9Mon7:255.28:254.71:251.22:05-0.86:267:15Waning Crescent9Mon
10Tue8:145.48:555.12:110.52:40-0.86:257:16Waning Crescent10Tue
11Wed9:025.49:275.52:56-0.13:15-0.66:247:16New Moon11Wed
12Thu9:515.110:015.83:42-0.63:50-0.26:237:17New Moon12Thu
13Fri10:414.710:385.94:29-0.94:250.36:217:18New Moon13Fri
14Sat11:354.211:175.85:20-1.05:020.96:207:19Waxing Crescent14Sat
15Sun12:383.66:14-0.95:411.56:197:19Waxing Crescent15Sun
16Mon12:005.51:583.27:17-0.66:272.16:187:20Waxing Crescent16Mon
17Tue12:505.03:493.08:32-0.37:382.66:167:21First Quarter17Tue
18Wed1:574.55:383.39:58-0.19:432.86:157:22First Quarter18Wed
19Thu3:284.26:383.611:180.011:342.56:147:22First Quarter19Thu
20Fri5:024.17:153.912:18-0.16:137:23First Quarter20Fri
21Sat6:144.17:444.212:402.01:030.06:127:24Waxing Gibbous21Sat
22Sun7:074.28:084.41:251.51:390.06:117:25Waxing Gibbous22Sun
23Mon7:504.38:284.62:011.12:070.26:097:25Waxing Gibbous23Mon
24Tue8:274.38:474.82:320.72:310.46:087:26Waxing Gibbous24Tue
25Wed9:014.29:074.93:020.32:530.66:077:27Full Moon25Wed
26Thu9:344.19:275.13:310.13:150.86:067:27Full Moon26Thu
27Fri10:093.99:485.24:02-0.13:361.16:057:28Full Moon27Fri
28Sat10:453.710:125.24:35-0.23:581.46:047:29Full Moon28Sat
29Sun11:263.410:375.25:10-0.34:201.76:037:30Waning Gibbous29Sun
30Mon12:143.15:50-0.24:422.06:027:30Waning Gibbous30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410230)

Common Questions About Oceanside, CA Tides

Show All
What time does the tide turn (slack tide) in Oceanside, CA today?

Slack tide in Oceanside, CA is approximately 6:47 pm — 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 Oceanside, CA?

Oceanside, CA is currently in a neap phase. Tonight's moon is 47% 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 minimum.

What datum are Oceanside, CA 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 Oceanside, CA?

Tide predictions for Oceanside, CA 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 Oceanside, CA?

Tide data for Oceanside, CA is sourced from NOAA Station #9410230. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410230.

What is the moon phase in Oceanside, CA tonight?

Tonight the moon over Oceanside, CA is First Quarter (47% illuminated). This places Oceanside, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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