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:
Waikiki surfForecast / Buenos Aires / Argentina
48hr Weather and Surf, issued 8 am Thursday 11 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Waikiki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waikiki sea temperature is
18.5° C
(Which is 2.4°C warmer than normal for this time of year)How big are the waves at Waikiki today?
The current surf forecast for Waikiki at 12PM is: 0.9m 12s primary swell from a East direction (forecast issued at 08:00am December 11). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 2.5ft (0.8m) | 11s |
| Afternoon (11 Dec) | 3.5ft (1.0m) | 12s |
| Evening (11 Dec) | 5ft (1.5m) | 12s |
Table - waves today at Waikiki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 112 | 160 | 214 | 285 | 339 | 628 | 411 | 472 | 384 | 376 | 302 | 297 | 291 | 281 | 221 | 212 | 170 | 167 | 133 | 131 | 98 | 196 | 68 | 51 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- off | cross- on | cross- on | on | cross- on | cross- off | glass | cross- on | cross | cross- off | off | off | off | cross- off | cross | cross- on | on |
High Tide / height (m) | 12:02PM 1.67 | 1:36AM 0.92 | 1:04PM 1.55 | 2:38AM 0.97 | 2:09PM 1.43 | |||||||||||||||||||
Low Tide / height (m) | 5:41AM 0.70 | 8:01PM 0.21 | 6:43AM 0.72 | 8:54PM 0.30 | 7:52AM 0.73 | 9:45PM 0.39 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - |
 | | |  |  |  |  | | | | | | | | | | |  | |  | |  |  | | |
Rain (mm) | - | - | - | - | 12 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 17 | 21 | 21 | 20 | 16 | 17 | 18 | 17 | 17 | 19 | 23 | 26 | 24 | 22 | 21 | 20 | 20 | 23 | 22 | 17 | 18 | 17 | 17 | 16 |
| Feels °C (?) | 16 | 20 | 20 | 17 | 15 | 15 | 18 | 18 | 17 | 19 | 21 | 24 | 23 | 23 | 19 | 16 | 16 | 17 | 15 | 13 | 15 | 13 | 12 | 11 |
- 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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