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 pm Tuesday 16 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
17.2° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Horseshoe today?
The current surf forecast for Horseshoe at 7PM is: 0.4m 15s primary swell from a Southwest direction and 0.6m 8s secondary swell from a West direction (forecast issued at 03:00pm December 16). The wind direction is predicted to be glassy.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 15s |
| Evening (16 Dec) | 1.5ft (0.4m) | 15s |
Table - waves today at Horseshoe. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 9 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 10 | 9 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 56 | 56 | 54 | 84 | 84 | 84 | 213 | 451 | 215 | 252 | 244 | 240 | 353 | 192 | 279 | 205 | 537 | 486 | 472 | 284 | 226 | 207 | 330 | 256 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | glass | glass | glass | glass | glass | glass | glass | cross- on | cross- on | cross- on | glass | glass | glass | cross | cross- on | cross- on | cross- on | glass | glass | glass | cross- on | glass | glass |
High Tide / height (m) | 8:10PM 1.03 | 6:45AM 1.75 | 8:48PM 1.05 | 7:15AM 1.79 | 9:23PM 1.05 | 7:46AM 1.81 | ||||||||||||||||||
Low Tide / height (m) | 1:39PM -0.04 | 12:23AM 0.72 | 2:11PM -0.12 | 12:54AM 0.75 | 2:43PM -0.18 | 1:26AM 0.76 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - |
| Sunset | - | 4:44 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - |
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 18 | 20 | 22 | 23 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 14 | 15 | 15 | 14 | 15 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 19 |
- 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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