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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 Friday 12 Sep 2025 PDT
How big are the waves at Diamond Street today?
The current surf forecast for Diamond Street at 12AM is: 0.7m 16s primary swell from a Southwest direction and 0.7m 6s secondary swell from a West direction (forecast issued at 10:00pm September 12). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.5m) | 16s |
| Afternoon (13 Sep) | 2ft (0.6m) | 13s |
| Evening (13 Sep) | 2.5ft (0.7m) | 14s |
Table - waves today at Diamond Street. (Swell directed towards the surf break)
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 21 | 21 | 14 | 20 | 20 | 19 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 215 | 236 | 245 | 125 | 124 | 125 | 124 | 176 | 221 | 187 | 195 | 164 | 167 | 164 | 153 | 149 | 147 | 149 | 153 | 175 | 160 | 218 | 216 | 214 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | glass | glass | on | cross- on | cross- on | cross- on | glass | glass | glass | on | on | on | on | glass | glass | glass | glass | glass | on | on | on |
High Tide / height (m) | 2:41AM 0.97 | 1:41PM 1.72 | 5:48AM 0.99 | 3:09PM 1.65 | 7:04AM 1.13 | 4:47PM 1.65 | ||||||||||||||||||
Low Tide / height (m) | 8:28PM 0.17 | 6:55AM 0.80 | 10:08PM 0.17 | 8:16AM 0.97 | 11:45PM 0.09 | 10:52AM 1.00 | ||||||||||||||||||
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:54 |
 | | | |  |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 21 | 21 | 21 |
| Feels °C (?) | 20 | 21 | 20 | 20 | 20 | 19 | 18 | 19 | 19 | 20 | 20 | 19 | 19 | 21 | 20 | 20 | 20 | 21 | 20 | 21 | 20 | 22 | 21 | 22 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - San Diego County
Continuing clean conditions at Diamond Street (calm at BUOY-LJAC1 8 km from Diamond Street). 0.6m 10s swell from the WSW with a 0.4m 10s swell from the SW and a 0.2m 17s long period groundswell from the SSW. 3 swells combining to make bigger set waves.
1 h 22 min ago
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