Surf Forecasts:
How big are the waves at Diamond Street today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 3ft (0.9m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (31 Jul, local time) - 3ft (0.9m), 14s period with SW swell.
The current surf forecast for Diamond Street at 10AM is: 1.2m 14s primary swell from a South-southwest direction and 0.5m 7s secondary swell from a West direction (forecast issued at 10:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 3ft (0.9m) | 14s |
| Afternoon (31 Jul) | 2.5ft (0.8m) | 14s |
| Evening (31 Jul) | 3ft (0.9m) | 14s |
Table - waves today at Diamond Street. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | ||||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SW 13 | SW 14 | SW 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 687 | 668 | 631 | 561 | 293 | 561 | 268 | 232 | 264 | 236 | 189 | 189 | 264 | 215 | 304 | 183 | 114 | 113 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on |
High Tide | 10:11PM1.87m | 11:29AM1.35m | 10:44PM1.77m | 11:57AM1.41m | ||||||||||||||
Low Tide | 5:27AM-0.13m | 5:00PM0.57m | 5:53AM-0.05m | 5:41PM0.55m | ||||||||||||||
 | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 |
Feels °C | 21 | 21 | 22 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | WNW 8 | SSW 10 | SSW 10 |
| kJ | 687 | 668 | 631 | 561 | 293 | 561 | 268 | 232 | 264 | 236 | 189 | 189 | 264 | 215 | 304 | 62 | 88 | 86 |
Swell 2 Height (m) Direction Period (s) | W 6 | W 9 | W 9 | WNW 9 | SSW 12 | W 7 | SSW 11 | SSW 11 | S 10 | S 10 | S 10 | S 9 | W 7 | W 7 | WNW 7 | SW 13 | W 8 | W 8 |
| kJ | 20 | 42 | 41 | 26 | 186 | 26 | 156 | 119 | 70 | 94 | 94 | 63 | 24 | 37 | 52 | 183 | 45 | 45 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 9 | WNW 9 | W 8 | W 7 | W 7 | W 7 | W 8 | W 8 | W 7 | S 9 | S 9 | SW 20 | SW 10 | SW 14 | SW 13 |
| kJ | — | — | — | 26 | 26 | 30 | 25 | 26 | 28 | 30 | 30 | 28 | 41 | 40 | 15 | 51 | 114 | 113 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 15 | 7 | 0 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 15 |
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)
Latest Updates
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 Diamond Street 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