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Cardiff Reef Surf Forecast
/ CAL – San Diego County (71 breaks) / California (404 breaks) /
Surf Forecasts:
Cardiff Reef surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 4 am Saturday 18 Apr 2026 PDTForecast update in hr min s Forecast update imminent
Cardiff Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cardiff Reef sea temperature is
18.7° C
(Which is 3.2°C warmer than normal for this time of year)How big are the waves at Cardiff Reef today?
The current surf forecast for Cardiff Reef at 12PM is: 0.9m 14s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a West direction (forecast issued at 04:00am April 18). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.8m) | 14s |
| Afternoon (18 Apr) | 3ft (0.9m) | 15s |
| Evening (18 Apr) | 2.5ft (0.8m) | 14s |
Table - waves today at Cardiff Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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 | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 263 | 246 | 239 | 301 | 305 | 305 | 239 | 236 | 178 | 168 | 210 | 207 | 207 | 204 | 201 | 156 | 154 | 151 | 151 | 98 | 106 | 103 | 138 | 85 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | on | on | on | glass | glass | glass | cross- on | glass | on | on | on | on | glass | glass | glass | glass | on | on | on | on | glass |
High Tide / height (m) | 10:49AM 1.70 | 10:13PM 2.42 | 11:47AM 1.57 | 10:54PM 2.38 | 12:58PM 1.46 | |||||||||||||||||||
Low Tide / height (m) | 4:32AM 0.11 | 3:54PM 0.85 | 5:23AM 0.09 | 4:30PM 0.99 | 6:20AM 0.14 | 5:09PM 1.12 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:21 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - |
 | |  | | | | |  |  | |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 17 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 19 | 19 | 19 | 17 | 17 | 16 | 16 | 16 | 19 | 19 | 18 | 17 | 16 |
| Feels °C (?) | 17 | 17 | 18 | 19 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 16 | 16 | 17 | 16 | 15 | 15 | 15 |
- 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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