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Oceanside Harbor Surf Forecast
/ CAL – San Diego County (71 breaks) / California (404 breaks) /
Surf Forecasts:
Oceanside Harbor surfForecast / CAL – San Diego County / USA
12 Day Weather and Surf, issued 3 am Wednesday 18 Feb 2026 PSTForecast update in hr min s Forecast update imminent
Oceanside Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Oceanside Harbor sea temperature is
17.0° C
(Which is 2.3°C warmer than normal for this time of year)Best Forecast Surf Conditions for Oceanside Harbor this week:
The surf forecast for Oceanside Harbor over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Feb 20) at 7PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.4m and 14s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Oceanside Harbor in the next 12 days are 3.0m 9s and forecast to arrive on Wednesday (Feb 18) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Feb 22) at 10PM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 20th Feb) | 3ft (0.9m) 7s |
| Best Surf | 1AM (Tue 24th Feb) | 3.5ft (1.1m) 11s |
| Most Powerful | 10AM (Wed 18th Feb) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Oceanside Harbor over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 14°C on Thu afternoon, min 10°C on Fri night). Winds decreasing (strong winds from the W on Thu afternoon, calm by Fri afternoon). | Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 7 | 7 | 8 | 8 | 7 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 10 | 10 | 11 | 12 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 1542 | 720 | 292 | 138 | 332 | 797 | 262 | 97 | 51 | 45 | 44 | 42 | 39 | 39 | 29 | 159 | 237 | 277 | 273 | 196 | 92 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | off | glass | cross- on | glass | cross | cross | cross | cross | cross | glass | glass | cross- on | glass |
High Tide / height (m) | 10:04PM 1.89 | 9:48AM 2.04 | 10:32PM 1.96 | 10:30AM 1.85 | 11:03PM 2.01 | 11:20AM 1.62 | 11:39PM 2.03 | 12:26PM 1.39 | 12:26AM 2.02 | 2:22PM 1.22 | 1:31AM 1.99 | 5:41PM 1.27 | 3:00AM 2.00 | ||||||||
Low Tide / height (m) | 3:47PM 0.29 | 3:48AM 0.71 | 4:12PM 0.41 | 4:34AM 0.68 | 4:38PM 0.57 | 5:28AM 0.67 | 5:04PM 0.75 | 6:34AM 0.67 | 5:32PM 0.93 | 8:04AM 0.67 | 6:02PM 1.10 | 9:52AM 0.58 | 7:11PM 1.26 | ||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||
| Sunrise | 6:30 | - | - | 6:28 | - | - | 6:28 | - | - | 6:26 | - | - | 6:26 | - | - | 6:24 | - | - | 6:24 | - | - |
| Sunset | - | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:38 | - | - | 5:39 | - | - | 5:40 | - | - | 5:42 | - |
 | |  |  |  |  | | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | 2 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 13 | 14 | 12 | 13 | 12 | 12 | 14 | 14 | 15 | 17 | 16 | 17 | 19 | 18 | 16 | 17 | 17 | 17 |
| Feels °C (?) | 4 | 6 | 7 | 8 | 6 | 3 | 9 | 8 | 10 | 12 | 11 | 13 | 13 | 11 | 14 | 16 | 14 | 15 | 16 | 16 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Oceanside Harbor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Oceanside Harbor Surf forecast
The above surf forecast table for Oceanside Harbor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Oceanside Harbor can be found by selecting the local surf guide option on the grey menu. Our Oceanside Harbor surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Oceanside Harbor) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Oceanside Harbor may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Oceanside Harbor is 8 km (5 miles) from the city of Oceanside. If you plan a vacation in San Diego County, look for hotels and other accommodation in Oceanside. Oceanside has rooms for a wide range of budgets as well as car hire and transport links.
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