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:
Horseshoe surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 3 am Thursday 11 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Horseshoe surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Horseshoe sea temperature is
17.1° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Horseshoe today?
The current surf forecast for Horseshoe at 9AM is: 0.4m 14s primary swell from a West-northwest direction and 0.4m 13s secondary swell from a South direction, 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 03:00am December 11). The wind direction is predicted to be glassy.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 1.5ft (0.4m) | 14s |
| Afternoon (11 Dec) | 2.5ft (0.7m) | 15s |
| Evening (11 Dec) | 2.5ft (0.8m) | 15s |
Table - waves today at Horseshoe. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 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) (?) | 14 | 14 | 15 | 14 | 13 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 65 | 59 | 56 | 79 | 87 | 191 | 249 | 252 | 280 | 402 | 397 | 387 | 382 | 353 | 305 | 301 | 236 | 229 | 210 | 201 | 154 | 151 | 149 | 145 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | on | cross- on | glass | glass | glass | glass | glass | glass | on | cross- on | glass | glass | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:22AM 1.30 | 2:16PM 1.17 | 4:09AM 1.40 | 3:51PM 1.05 | 4:47AM 1.49 | 5:18PM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 9:03AM 0.76 | 9:04PM 0.23 | 10:33AM 0.59 | 9:53PM 0.37 | 11:38AM 0.40 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:43 | - | - |
 | |  | | | | | | | | | | | | | | | | |  |  | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 18 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 18 | 18 | 18 |
| Feels °C (?) | 18 | 19 | 18 | 20 | 18 | 19 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 17 | 17 | 18 | 18 | 16 | 16 | 16 |
- 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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