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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
16 Day Weather and Surf, issued 10 pm Thursday 21 May 2026 PDTForecast 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
19.3° C
(Which is 2.8°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 22) at 5AM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 0.5m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Oceanside Harbor in the next 16 days are 1.1m 17s and forecast to arrive on Monday (May 25) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 22nd May) | 2ft (0.6m) 18s |
| Best Surf | 5AM (Fri 22nd May) | 2ft (0.6m) 18s |
| Most Powerful | 8PM (Mon 25th May) | 3.5ft (1.1m) 17s |
Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Fri morning, min 15°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 17°C on Mon morning, min 15°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 15 | SW 18 | SW 18 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | |
136 | 249 | 152 | 186 | 255 | 258 | 258 | 223 | 217 | 214 | 432 | 601 | 469 | 422 | 428 | 321 | 289 | 229 | 229 | 213 | 161 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | on | cross-on | glassy | cross-on | cross-on | cross | cross-on | cross-on | glassy | cross-on | cross-on | glassy | on | on | on | cross-on | on | cross-on | on | cross-on | |
High Tide | 1:47AM1.94m | 4:34PM1.68m | 3:11AM1.76m | 5:22PM1.80m | 4:37AM1.63m | 6:01PM1.91m | 5:56AM1.56m | 6:34PM2.00m | 7:03AM1.53m | 7:03PM2.08m | 8:00AM1.52m | 7:30PM2.14m | 8:49AM1.52m | 7:57PM2.18m | |||||||
Low Tide | 9:21AM0.35m | 9:43PM1.23m | 10:19AM0.47m | 11:15PM1.07m | 11:09AM0.58m | 00:22AM0.88m | 11:53AM0.70m | 1:14AM0.69m | 12:31PM0.81m | 1:56AM0.53m | 1:06PM0.91m | 2:33AM0.40m | 1:38PM1.00m | ||||||||
 |  | | | | | | | |  |  | | | | | |  | | | | | |
 | — | 5:45 | — | — | 5:45 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — |
 | — | — | 7:46 | — | — | 7:47 | — | — | 7:47 | — | — | 7:49 | — | — | 7:50 | — | — | 7:50 | — | — | 7:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 18 | 18 | 16 | 17 | 17 | 16 | 17 | 17 | 15 | 17 | 17 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 17 | 17 |
16 | 16 | 16 | 15 | 16 | 14 | 15 | 15 | 14 | 13 | 14 | 13 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 18 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | W 7 | W 7 | W 7 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 136 | 249 | 102 | 186 | 255 | 258 | 258 | 223 | 217 | 214 | 432 | 601 | 469 | 422 | 428 | 107 | 96 | 71 | 229 | 213 | 161 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SSW 11 | S 11 | SSW 19 | SSW 18 | W 4 | S 10 | W 4 | W 6 | W 6 | SSW 14 | SSW 14 | SSW 14 | W 6 | W 7 | W 11 |
| kJ | 89 | 87 | 80 | 45 | 44 | 44 | 47 | 20 | 143 | 178 | 3 | 7 | 5 | 23 | 35 | 321 | 289 | 229 | 29 | 22 | 10 |
Swell 3 Height (m) Direction Period (s) | W 5 | SW 14 | SW 18 | W 4 | W 10 | SW 21 | SSW 20 | SSW 20 | S 11 | W 4 | S 10 | W 15 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | WNW 9 | WNW 11 | W 10 |
| kJ | 12 | 97 | 152 | 3 | 18 | 18 | 38 | 37 | 20 | 5 | 16 | 4 | 7 | 7 | 7 | 2 | 2 | 2 | 16 | 12 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | W 5 | — | — | W 3 | — | W 3 | W 3 | W 4 | — | W 3 | — | — | — | — | — | — | — | — | W 7 |
| kJ | — | — | 13 | — | — | 3 | — | 2 | 5 | 7 | — | 5 | — | — | — | — | — | — | — | — | 23 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 68 | 68 | 0 | 68 | 68 | 32 | 68 | 68 | 0 | 256 | 68 | 0 | 68 | 226 | 117 | 108 | 181 | 68 | 389 | 68 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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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