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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
48hr Weather and Surf, issued 4 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
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 12AM is: 0.6m 15s primary swell from a Southwest direction and 0.5m 13s secondary swell from a South direction (forecast issued at 04:00pm May 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | - | - |
| Afternoon (22 May) | 2ft (0.6m) | 15s |
| Evening (22 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. Very mild (max 18°C on Thu afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | SW 16 | SW 16 | SW 16 | SW 15 | |
107 | 176 | 176 | 176 | 136 | 249 | 249 | 249 | 152 | 152 | 174 | 174 | 186 | 248 | 255 | 255 | 255 | 258 | 258 | 367 | 258 | 251 | 245 | 226 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-on | |
High Tide | 3:33PM1.58m | 1:47AM1.94m | 4:34PM1.68m | 3:11AM1.76m | 5:22PM1.80m | 4:37AM1.63m | ||||||||||||||||||
Low Tide | 7:55PM1.29m | 9:21AM0.35m | 9:43PM1.23m | 10:19AM0.47m | 11:15PM1.07m | |||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | |  |  | | |
 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — |
 | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | 7:47 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 16 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 17 |
16 | 17 | 17 | 18 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 16 | SW 16 | SW 16 | SW 15 |
 kJ | 107 | 176 | 176 | 176 | 136 | 249 | 249 | 249 | 152 | 102 | 174 | 174 | 186 | 248 | 255 | 255 | 255 | 258 | 258 | 367 | 258 | 251 | 245 | 226 |
Swell 2 Height (m) Direction Period (s) | 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 | SW 11 | SSW 11 | SSW 11 | S 11 | S 11 |
| kJ | 106 | 101 | 96 | 90 | 89 | 89 | 89 | 87 | 86 | 80 | 47 | 46 | 45 | 45 | 44 | 44 | 44 | 44 | 43 | 63 | 47 | 46 | 21 | 20 |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 5 | W 5 | W 5 | SW 14 | SW 14 | SW 14 | SW 18 | SSW 18 | W 5 | W 5 | W 4 | W 4 | W 10 | SW 21 | SW 21 | SW 21 | W 6 | SSW 20 | SSW 19 | SW 19 | SSW 20 |
| kJ | 16 | 15 | 15 | 13 | 12 | 11 | 100 | 97 | 99 | 152 | 31 | 8 | 4 | 3 | 3 | 18 | 18 | 18 | 18 | 2 | 38 | 73 | 95 | 37 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 5 | W 5 | W 5 | W 5 | — | — | — | — | — | W 5 | W 3 | W 3 | — | WNW 10 | — | — | W 3 |
| kJ | — | — | — | — | — | — | — | 7 | 8 | 13 | 8 | — | — | — | — | — | 5 | 3 | 2 | — | 33 | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 68 | 68 | 17 | 0 | 0 | 0 | 0 | 68 | 307 | 68 | 68 | 17 | 0 | 0 | 0 | 68 | 761 | 68 | 68 | 32 | 32 | 0 | 4 | 68 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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