- Forecast
- Maps
- Live
- Weather State
- Spot Information
Oceanside Harbor Surf Forecast
/ CAL – San Diego County (71 breaks) / California (404 breaks) /
Surf Forecasts:
Oceanside Harbor surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 4 am 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
18.9° C
(Which is 2.4°C warmer than normal for this time of year)How big are the waves at Oceanside Harbor today?
The current surf forecast for Oceanside Harbor at 11AM is: 0.5m 14s primary swell from a South direction and 0.6m 6s secondary swell from a West direction (forecast issued at 04:00am May 21). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2ft (0.6m) | 19s |
| Afternoon (21 May) | 2ft (0.6m) | 15s |
| Evening (21 May) | 2ft (0.6m) | 15s |
Table - waves today at Oceanside Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 19 | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | |
133 | 303 | 303 | 107 | 107 | 176 | 176 | 176 | 136 | 249 | 249 | 366 | 152 | 152 | 174 | 174 | 186 | 248 | 255 | 255 | 255 | 258 | 258 | 258 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | on | on | cross-on | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | glassy | |
High Tide | 00:36AM2.15m | 3:33PM1.58m | 1:47AM1.94m | 4:34PM1.68m | 3:11AM1.76m | 5:22PM1.80m | ||||||||||||||||||
Low Tide | 8:19AM0.22m | 7:55PM1.29m | 9:21AM0.35m | 9:43PM1.23m | 10:19AM0.47m | |||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 18 | 19 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 16 | 18 | 18 | 18 | 16 | 16 |
19 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 15 | 16 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | W 5 | SW 19 | SW 19 | W 6 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 18 | SW 14 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 13 | 303 | 303 | 23 | 107 | 176 | 176 | 176 | 136 | 249 | 249 | 366 | 152 | 102 | 174 | 174 | 186 | 248 | 255 | 255 | 255 | 258 | 258 | 258 |
Swell 2 Height (m) Direction Period (s) | SW 15 | W 5 | W 6 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 |
| kJ | 109 | 21 | 22 | 107 | 106 | 101 | 96 | 90 | 89 | 89 | 89 | 84 | 86 | 80 | 47 | 46 | 45 | 45 | 44 | 44 | 44 | 44 | 43 | 40 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 15 | SW 15 | SW 15 | W 6 | W 12 | W 6 | W 5 | W 5 | W 5 | SW 14 | W 5 | SW 14 | SW 18 | SSW 18 | W 5 | W 4 | W 4 | W 4 | W 10 | SW 21 | SW 21 | SW 21 | W 3 |
| kJ | 133 | 107 | 107 | 107 | 16 | 3 | 15 | 12 | 11 | 11 | 100 | 7 | 99 | 152 | 31 | 7 | 4 | 3 | 3 | 18 | 18 | 18 | 18 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 6 | — | — | — | — | — | — | W 5 | W 5 | W 5 | — | — | — | — | — | W 2 | W 3 | W 3 | WNW 3 |
| kJ | — | — | — | — | — | 15 | — | — | — | — | — | — | 7 | 7 | 7 | — | — | — | — | — | 2 | 2 | 2 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 9 | 46 | 68 | 226 | 68 | 0 | 0 | 0 | 0 | 0 | 68 | 554 | 68 | 68 | 0 | 0 | 0 | 0 | 68 | 761 | 226 | 68 | 0 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
Nearest