Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Del Mar Rivermouth surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 3 pm Saturday 13 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Del Mar Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Del Mar Rivermouth sea temperature is
16.9° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Del Mar Rivermouth today?
The current surf forecast for Del Mar Rivermouth at 8PM is: 0.5m 13s primary swell from a West-northwest direction and 0.2m 11s secondary swell from a South direction (forecast issued at 03:00pm December 13). The wind direction is predicted to be cross-onshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 1.5ft (0.5m) | 13s |
| Evening (13 Dec) | 1.5ft (0.4m) | 13s |
Table - waves today at Del Mar Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 12 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 16 | 16 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 99 | 98 | 96 | 65 | 51 | 75 | 75 | 75 | 75 | 75 | 54 | 53 | 47 | 63 | 62 | 61 | 46 | 44 | 27 | 66 | 66 | 66 | 51 | 24 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross | glass | cross- on | glass | cross- on | cross- on | cross- on | glass | glass | glass | glass | glass |
High Tide / height (m) | 5:13PM 1.38 | 5:13AM 1.99 | 6:23PM 1.39 | 5:43AM 2.05 | 7:18PM 1.43 | 6:13AM 2.11 | ||||||||||||||||||
Low Tide / height (m) | 11:35AM 0.81 | 10:27PM 0.91 | 12:21PM 0.64 | 11:08PM 1.01 | 12:59PM 0.49 | 11:47PM 1.07 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:45 | - |
| Sunset | - | 4:43 | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - |
 | |  | | |  |  | | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 18 | 17 | 17 | 17 | 16 | 17 | 17 | 18 | 19 | 18 | 18 | 19 | 19 | 20 | 20 | 20 |
| Feels °C (?) | 13 | 13 | 13 | 15 | 14 | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 16 | 17 | 16 | 17 | 17 | 17 | 18 | 19 | 18 | 18 | 18 | 18 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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