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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 am Thursday 28 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
19.2° C
(Which is 2.4°C warmer than normal for this time of year)How big are the waves at Diamond Street today (28 May):
- Morning surf: Morning surf (28 May, local time) - 2.5ft (0.7m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 2.5ft (0.7m), 14s period with SW swell.
- Evening surf: Evening surf (28 May, local time) - 2ft (0.6m), 13s period with SW swell.
The current surf forecast for Diamond Street at 4PM is: 0.7m 14s primary swell from a Southwest direction and 0.7m 11s secondary swell from a West direction (forecast issued at 10:00am May 28). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 2.5ft (0.7m) | 14s |
| Afternoon (28 May) | 2.5ft (0.7m) | 14s |
| Evening (28 May) | 2ft (0.6m) | 13s |
Table - waves today at Diamond Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 18°C on Sat afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 22 | SW 22 | SW 22 | SW 22 | SW 21 | |
194 | 189 | 189 | 186 | 144 | 144 | 144 | 147 | 151 | 160 | 160 | 160 | 155 | 151 | 149 | 151 | 155 | 129 | 123 | 127 | 229 | 227 | 227 | 358 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | glassy | on | on | cross-on | cross-on | cross-on | glassy | cross-on | |
High Tide | 8:50AM1.09m | 8:04PM1.80m | 9:33AM1.09m | 8:31PM1.82m | 10:12AM1.08m | 9:00PM1.82m | ||||||||||||||||||
Low Tide | 2:00PM0.54m | 3:32AM-0.14m | 2:30PM0.61m | 4:04AM-0.19m | 3:00PM0.66m | 4:38AM-0.20m | ||||||||||||||||||
 | | | |  | |  | |  | | | | | | | | | | | | | | | | |
 | 5:43 | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 |
 | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | 7:51 |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 16 | 17 | 17 | 18 | 17 | 16 | 16 | 16 |
16 | 15 | 14 | 14 | 14 | 15 | 14 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 15 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 11 | W 11 | W 11 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 6 | WNW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 |
 kJ | 90 | 166 | 121 | 114 | 144 | 144 | 144 | 147 | 151 | 160 | 160 | 160 | 155 | 151 | 149 | 151 | 34 | 63 | 79 | 79 | 62 | 62 | 81 | 161 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | WNW 20 | W 11 | W 11 | W 11 | W 11 | W 10 | WNW 16 | WNW 16 | WNW 16 | W 6 | W 6 | W 5 | SW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | SW 22 | SW 22 | SW 21 |
| kJ | 194 | 189 | 189 | 186 | 37 | 85 | 85 | 57 | 55 | 53 | 86 | 86 | 85 | 17 | 15 | 13 | 155 | 129 | 123 | 87 | 83 | 227 | 227 | 358 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | W 22 | W 21 | W 20 | WNW 20 | WNW 20 | WNW 18 | WNW 18 | WNW 18 | WNW 17 | S 21 | WNW 10 | WNW 10 | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | SW 22 | SW 22 | SW 13 | SW 13 | SW 13 |
| kJ | 26 | 9 | 9 | 32 | 75 | 37 | 31 | 61 | 61 | 55 | 9 | 10 | 10 | 83 | 75 | 71 | 71 | 70 | 70 | 127 | 229 | 82 | 82 | 82 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 11 | — | — | — | — | — | W 10 | W 6 | W 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 112 | — | — | — | — | — | 51 | 18 | 19 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 15 | 489 | 270 | 15 | 14 | 15 | 15 | 13 | 15 | 270 | 270 | 14 | 13 | 0 | 0 | 0 | 64 | 15 | 14 | 14 | 14 | 0 | 6 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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