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Surf Forecasts:
Diamond Street surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 9 pm Tuesday 16 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
17.0° C
(Which is 1.5°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 2AM is: 0.4m 15s primary swell from a Southwest direction and 0.6m 8s secondary swell from a West direction (forecast issued at 09:00pm December 16). The wind direction is predicted to be glassy.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3ft (0.9m) | 13s |
| Afternoon (17 Dec) | 2.5ft (0.8m) | 13s |
| Evening (17 Dec) | 2.5ft (0.8m) | 12s |
Table - waves today at Diamond Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 9 | 12 | 12 | 12 | 12 | 12 | 9 | 9 | 9 | 10 | 10 | 9 | 12 | 11 | 11 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 76 | 75 | 75 | 75 | 100 | 299 | 163 | 196 | 162 | 184 | 488 | 480 | 456 | 449 | 258 | 247 | 210 | 220 | 194 | 171 | 266 | 205 | 191 | 99 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | glass | glass | cross- on | cross- on | cross | glass | glass | glass | cross- off | cross- off | cross- on | glass | glass | glass | glass | glass | glass | glass | cross- on | on |
High Tide / height (m) | 8:01PM 1.06 | 6:49AM 1.80 | 8:38PM 1.08 | 7:19AM 1.83 | 9:13PM 1.09 | 7:51AM 1.86 | ||||||||||||||||||
Low Tide / height (m) | 12:44AM 0.69 | 2:28PM -0.12 | 1:18AM 0.72 | 2:59PM -0.18 | 1:50AM 0.73 | 3:32PM -0.21 | ||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:45 |
 |  | | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 15 | 15 | 16 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 21 | 22 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 16 | 17 | 17 | 16 | 17 | 17 | 18 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
- 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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