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Surf Forecasts:
Diamond Street surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 3 am Friday 12 Dec 2025 PSTForecast 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
16.9° C
(Which is 1.1°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 8AM is: 0.6m 16s primary swell from a West-northwest direction and 0.3m 12s secondary swell from a South-southwest direction (forecast issued at 03:00am December 12). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2ft (0.6m) | 16s |
| Afternoon (12 Dec) | 2ft (0.6m) | 15s |
| Evening (12 Dec) | 2ft (0.6m) | 15s |
Table - waves today at Diamond Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 210 | 214 | 201 | 196 | 193 | 181 | 169 | 155 | 153 | 148 | 138 | 90 | 89 | 87 | 86 | 84 | 51 | 54 | 75 | 104 | 75 | 54 | 54 | 53 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross- on | cross- on | glass | glass | glass | glass | cross- on | cross | cross- on | cross | cross | cross | cross | cross | cross- off | cross | cross- on | cross- on | cross | cross- off |
High Tide / height (m) | 4:06AM 1.43 | 3:44PM 1.09 | 4:46AM 1.53 | 5:09PM 1.03 | 5:19AM 1.62 | 6:20PM 1.02 | ||||||||||||||||||
Low Tide / height (m) | 10:45AM 0.61 | 10:09PM 0.36 | 11:52AM 0.41 | 10:53PM 0.48 | 12:41PM 0.23 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:44 | - | - |
 | |  | | | |  | | | | | | |  | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 18 | 17 | 17 | 19 | 19 | 18 | 18 | 18 |
| Feels °C (?) | 18 | 17 | 18 | 19 | 18 | 17 | 18 | 18 | 18 | 18 | 17 | 18 | 17 | 16 | 17 | 16 | 17 | 16 | 16 | 18 | 17 | 16 | 17 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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