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 pm Wednesday 10 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
18.8° C
(Which is 2.7°C warmer than normal for this time of year)How big are the waves at Waikiki today?
The current surf forecast for Waikiki at 6PM is: 0.8m 5s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm December 10). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 3.5ft (1.0m) | 4s |
| Evening (10 Dec) | 1.5ft (0.5m) | 8s |
Table - waves today at Waikiki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 4 | 5 | 8 | 8 | 9 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 32 | 24 | 33 | 35 | 57 | 112 | 157 | 214 | 280 | 403 | 628 | 404 | 404 | 456 | 364 | 314 | 297 | 291 | 286 | 270 | 212 | 170 | 167 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross | cross- off | glass | cross- on | cross- on | cross- on | cross | on | cross- on | cross | cross | cross- off | cross- on | cross- on | cross | glass | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 11:03AM 1.77 | 12:30AM 0.90 | 12:02PM 1.67 | 1:36AM 0.92 | 1:04PM 1.55 | 2:38AM 0.97 | ||||||||||||||||||
Low Tide / height (m) | 7:06PM 0.12 | 5:41AM 0.70 | 8:01PM 0.21 | 6:43AM 0.72 | 8:54PM 0.30 | 7:52AM 0.73 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - |
| Sunset | - | - | 8:05 | - | - | - | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - |
 | | |  |  |  |  | | | |  |  | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 16 | 3 | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 20 | 20 | 18 | 18 | 18 | 20 | 22 | 22 | 17 | 18 | 18 | 17 | 16 | 20 | 23 | 24 | 22 | 20 | 20 | 19 | 20 | 24 |
| Feels °C (?) | 19 | 19 | 18 | 20 | 18 | 18 | 19 | 20 | 21 | 18 | 14 | 14 | 16 | 16 | 15 | 18 | 22 | 22 | 22 | 20 | 18 | 15 | 15 | 17 |
- 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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