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Diamond Street Surf Forecast
/ CAL – San Diego County (71 breaks) / California (404 breaks) /
Surf Forecasts:
Diamond Street surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 10 pm Wednesday 20 May 2026 PDTForecast update in hr min s Forecast update imminent
Diamond Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Diamond Street sea temperature is
18.6° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Diamond Street today?
The current surf forecast for Diamond Street at 2AM is: 0.6m 15s primary swell from a Southwest direction and 0.6m 5s secondary swell from a West direction (forecast issued at 10:00pm May 20). The wind direction is predicted to be cross-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 Diamond Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Wed night, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
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 | 2 PM | 5 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 15 | SW 15 | SW 15 | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 18 | SW 18 | SW 18 | SW 18 | SW 14 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | |
112 | 109 | 137 | 303 | 236 | 106 | 136 | 174 | 174 | 174 | 127 | 194 | 194 | 194 | 152 | 99 | 169 | 171 | 186 | 239 | 245 | 245 | 245 | 245 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:36AM1.74m | 3:22PM1.14m | 1:47AM1.54m | 4:28PM1.24m | 3:09AM1.37m | |||||||||||||||||||
Low Tide | 6:42PM0.78m | 8:32AM-0.22m | 8:10PM0.82m | 9:35AM-0.09m | 9:53PM0.77m | 10:35AM0.02m | ||||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — |
 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 18 | 17 | 18 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 18 | 17 |
19 | 19 | 18 | 18 | 19 | 18 | 17 | 18 | 17 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 5 | W 5 | SW 19 | W 6 | W 6 | W 6 | SW 15 | SW 15 | SW 15 | W 5 | SW 18 | SW 18 | SW 18 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 87 | 11 | 18 | 303 | 23 | 24 | 24 | 174 | 174 | 174 | 13 | 194 | 194 | 194 | 121 | 99 | 169 | 171 | 186 | 239 | 245 | 245 | 245 | 245 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | W 6 | SW 19 | SW 15 | SW 15 | W 6 | W 6 | W 5 | SW 14 | W 5 | SW 14 | SW 14 | SW 18 | WNW 11 | W 11 | W 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | SSW 12 | SSW 11 |
| kJ | 112 | 109 | 137 | 21 | 236 | 106 | 136 | 24 | 16 | 14 | 127 | 12 | 93 | 93 | 152 | 39 | 59 | 59 | 38 | 37 | 35 | 34 | 27 | 25 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SW 19 | SW 15 | SW 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | W 11 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 21 | WNW 10 |
| kJ | 50 | 50 | 133 | 106 | 134 | 106 | 103 | 92 | 89 | 89 | 87 | 89 | 86 | 61 | 55 | 53 | 49 | 48 | 48 | 47 | 47 | 47 | 18 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | WNW 2 | — | — | — | — | — | — | WNW 10 | WNW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | — | — | — | — | 33 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 8 | 6 | 2 | 6 | 15 | 64 | 14 | 14 | 14 | 14 | 0 | 0 | 15 | 602 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 602 | 14 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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