Surf Forecasts:
How big are the waves at Diamond Street today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.1m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 15s period with SW swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.1m), 15s period with SW swell.
The current surf forecast for Diamond Street at 3AM is: 1.0m 16s primary swell from a Southwest direction and 0.7m 10s secondary swell from a South-southwest direction, 0.3m 5s secondary swell from a West-northwest direction (forecast issued at 10:00pm July 20). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3.5ft (1.1m) | 16s |
| Afternoon (21 Jul) | 3.5ft (1.1m) | 15s |
| Evening (21 Jul) | 3.5ft (1.1m) | 15s |
Table - waves today at Diamond Street. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Tue morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 357 | 211 | 492 | 492 | 553 | 532 | 505 | 375 | 499 | 499 | 492 | 424 | 424 | 355 | 346 | 346 | 469 | 463 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | glassy | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on |
High Tide | 3:26AM0.96m | 3:54PM1.53m | 5:38AM0.87m | 4:51PM1.55m | ||||||||||||||
Low Tide | 10:14PM0.52m | 9:05AM0.58m | 11:50PM0.41m | 9:57AM0.75m | ||||||||||||||
 |  | | |  | | | | | | | |  | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 21 | 21 |
Feels °C | 23 | 23 | 22 | 23 | 23 | 23 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 146 | 100 | 492 | 492 | 553 | 532 | 505 | 375 | 499 | 499 | 492 | 424 | 424 | 355 | 346 | 346 | 469 | 463 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 14 | SSW 10 | SSW 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 14 | S 14 | S 13 | S 13 |
| kJ | 357 | 192 | 98 | 92 | 57 | 62 | 82 | 88 | 52 | 61 | 70 | 34 | 32 | 30 | 102 | 187 | 167 | 162 |
Swell 3 Height (m) Direction Period (s) | W 14 | SW 16 | WNW 14 | W 14 | W 14 | W 14 | W 14 | SW 12 | SSW 8 | WSW 21 | WSW 21 | S 8 | S 8 | S 15 | SW 8 | SW 7 | SW 7 | SW 7 |
| kJ | 36 | 211 | 40 | 36 | 35 | 35 | 32 | 66 | 22 | 44 | 44 | 19 | 19 | 68 | 28 | 19 | 18 | 16 |
Wind waves Height (m) Direction Period (s) | WNW 5 | — | WNW 5 | — | — | — | — | — | — | — | NW 3 | NW 3 | WNW 3 | WNW 3 | WNW 3 | WNW 4 | WNW 4 | WNW 5 |
| kJ | 9 | — | 5 | — | — | — | — | — | — | — | 2 | 2 | 1 | 2 | 4 | 8 | 15 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 15 | 1 | 15 | 0 | 15 | 15 | 15 | 15 | 14 | 0 | 14 | 0 | 14 | 15 | 15 | 15 | 15 | 14 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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