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 2 am Saturday 13 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
19.4° C
(Which is 3.1°C warmer than normal for this time of year)How big are the waves at Waikiki today?
The current surf forecast for Waikiki at 5AM is: 0.9m 10s primary swell from a East-southeast direction and 0.3m 12s secondary swell from a Southeast direction (forecast issued at 02:00am December 13). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3ft (0.9m) | 10s |
| Afternoon (13 Dec) | 2.5ft (0.7m) | 10s |
| Evening (13 Dec) | 2ft (0.6m) | 10s |
Table - waves today at Waikiki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 9 | 9 | 6 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 236 | 212 | 170 | 167 | 133 | 102 | 98 | 74 | 72 | 69 | 45 | 43 | 43 | 83 | 28 | 28 | 28 | 14 | 27 | 27 | 19 | 15 | 14 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | off | off | cross- off | cross- off | cross- on | on | cross | cross | cross- on | cross | on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | off | off | off |
High Tide / height (m) | 2:38AM 0.97 | 2:09PM 1.43 | 3:32AM 1.03 | 3:13PM 1.31 | 4:18AM 1.12 | 4:16PM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 7:52AM 0.73 | 9:45PM 0.39 | 9:12AM 0.72 | 10:31PM 0.48 | 10:38AM 0.68 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - |
 | |  |  | | | |  | | | | | |  | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 21 | 24 | 23 | 20 | 19 | 18 | 17 | 16 | 17 | 18 | 17 | 18 | 19 | 18 | 17 | 16 | 15 | 20 | 22 | 19 | 17 | 16 |
| Feels °C (?) | 18 | 17 | 18 | 20 | 15 | 18 | 17 | 16 | 16 | 14 | 14 | 14 | 14 | 16 | 18 | 18 | 16 | 14 | 12 | 15 | 16 | 11 | 8 | 8 |
- 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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