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:
Caleta Loa surfForecast / Tarapaca / Chile
48hr Weather and Surf, issued 8 am Saturday 13 Dec 2025 -04Forecast update in hr min s Forecast update imminent
Caleta Loa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Caleta Loa sea temperature is
17.2° C
(Which is 3.2°C colder than average for this time of year)How big are the waves at Caleta Loa today?
The current surf forecast for Caleta Loa at 1PM is: 0.6m 13s primary swell from a West-northwest direction and 0.6m 11s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a Southwest direction (forecast issued at 08:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2ft (0.6m) | 13s |
| Afternoon (13 Dec) | 2ft (0.6m) | 11s |
| Evening (13 Dec) | 1.5ft (0.5m) | 11s |
Table - waves today at Caleta Loa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 11 | 11 | 11 | 11 | 12 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 116 | 114 | 114 | 99 | 101 | 67 | 66 | 64 | 57 | 57 | 72 | 72 | 56 | 71 | 108 | 123 | 202 | 205 | 147 | 149 | 147 | 236 | 314 | 277 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross | glass | glass | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross- on | glass |
High Tide / height (m) | 4:55AM 0.87 | 6:17PM 0.86 | 5:53AM 0.78 | 7:05PM 0.93 | 6:50AM 0.71 | 7:47PM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 11:39AM 0.14 | 12:20AM 0.37 | 12:21PM 0.16 | 1:28AM 0.34 | 1:00PM 0.18 | 2:25AM 0.29 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:20 | - | - | - |
 |  |  | | | | | | | | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 19 | 19 | 19 | 20 | 19 | 19 | 18 |
| Feels °C (?) | 18 | 18 | 19 | 18 | 19 | 18 | 20 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 17 | 18 | 17 | 17 | 18 | 18 | 20 | 20 |
- 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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