Tides Today & Tomorrow in Oceanside, CA

TIDE TIMES for Sunday, August 16, 2026
The tide is currently falling in Oceanside, CA.
Next low tide : in 36m at 5:58 am (0.7 ft)
Next high tide : 12:24 pm (5.2 ft)
Sunset today : 7:34 pm
Sunrise tomorrow : 6:13 am
Moon phase : Waxing Crescent (19% illuminated)
Tide Station Location : Station #9410230
Common Questions About Tides

Oceanside, CA Tides - Aug 1951

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:143.98:546.13:40-0.42:432.46:027:49New Moon1Wed
2Thu10:354.09:266.14:07-0.43:162.26:027:48New Moon2Thu
3Fri10:584.19:586.04:33-0.43:512.16:037:47New Moon3Fri
4Sat11:224.210:305.84:58-0.24:272.06:047:46New Moon4Sat
5Sun11:474.411:045.35:220.05:071.96:047:46Waxing Crescent5Sun
6Mon12:154.65:470.35:541.96:057:45Waxing Crescent6Mon
7Tue12:454.86:110.86:501.96:067:44Waxing Crescent7Tue
8Wed12:284.11:224.96:361.38:051.86:077:43First Quarter8Wed
9Thu1:333.32:085.17:021.89:441.56:077:42First Quarter9Thu
10Fri3:292.83:115.37:332.311:250.96:087:41First Quarter10Fri
11Sat6:272.84:265.68:362.86:097:40First Quarter11Sat
12Sun7:463.25:405.912:370.310:42 AM3.06:097:39Waxing Gibbous12Sun
13Mon8:223.66:446.41:31-0.412:142.86:107:38Waxing Gibbous13Mon
14Tue8:543.97:396.82:16-0.91:202.46:117:37Waxing Gibbous14Tue
15Wed9:254.38:297.02:56-1.12:132.06:117:36Full Moon15Wed
16Thu9:564.69:156.93:34-1.23:031.66:127:35Full Moon16Thu
17Fri10:284.910:006.64:10-1.03:501.36:137:34Full Moon17Fri
18Sat11:015.110:436.04:44-0.74:381.16:137:32Full Moon18Sat
19Sun11:345.211:275.35:16-0.15:271.16:147:31Waning Gibbous19Sun
20Mon12:085.35:470.56:201.26:157:30Waning Gibbous20Mon
21Tue12:154.512:445.26:151.27:211.46:167:29Waning Gibbous21Tue
22Wed1:113.71:235.16:401.98:401.56:167:28Third Quarter22Wed
23Thu2:423.02:114.97:002.510:261.46:177:27Third Quarter23Thu
24Fri3:204.76:187:25Third Quarter24Fri
25Sat4:454.712:021.16:187:24Third Quarter25Sat
26Sun8:313.65:565.01:010.711:52 AM3.36:197:23Waning Crescent26Sun
27Mon8:433.86:485.31:420.412:503.06:207:22Waning Crescent27Mon
28Tue8:573.97:295.62:140.21:282.76:207:20Waning Crescent28Tue
29Wed9:124.18:045.82:410.02:012.36:217:19Waning Crescent29Wed
30Thu9:294.38:375.93:06-0.12:322.06:227:18New Moon30Thu
31Fri9:474.59:095.93:29-0.13:051.76:227:17New Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410230)

Common Questions About Oceanside, CA Tides

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

Slack tide in Oceanside, CA 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 Oceanside, CA?

Oceanside, CA is currently in a spring phase. Tonight's moon is 19% 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 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 Waxing Crescent (19% illuminated). This places Oceanside, CA 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