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:
Boneyards surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Thursday 11 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Boneyards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boneyards sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Boneyards today?
The current surf forecast for Boneyards at 8AM is: 2.5m 13s primary swell from a Northwest direction and 0.6m 4s secondary swell from a North-northwest direction (forecast issued at 01:00am December 11). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 8ft (2.5m) | 13s |
| Afternoon (11 Dec) | 7ft (2.2m) | 12s |
| Evening (11 Dec) | 6ft (1.9m) | 12s |
Table - waves today at Boneyards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1452 | 1325 | 1494 | 2008 | 1885 | 1462 | 1344 | 1047 | 865 | 851 | 754 | 524 | 462 | 375 | 376 | 358 | 410 | 396 | 520 | 510 | 441 | 377 | 318 | 250 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | on | on | on | on | on | on | on | glass | glass | glass | glass | glass | glass | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:55PM 0.31 | 7:45AM 0.61 | 12:06AM 0.41 | 8:15AM 0.55 | 12:18AM 0.50 | 8:40AM 0.49 | ||||||||||||||||||
Low Tide / height (m) | 11:08PM 0.31 | 3:58PM 0.22 | 12:50AM 0.41 | 4:18PM 0.19 | 4:38AM 0.46 | 4:39PM 0.16 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:51 | - |
 |  | |  |  | | |  | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 24 | 23 | 22 | 23 | 23 | 24 | 23 | 22 | 22 | 22 | 22 | 21 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 26 | 26 | 25 | 24 |
| Feels °C (?) | 24 | 24 | 21 | 22 | 21 | 23 | 22 | 23 | 23 | 23 | 24 | 22 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 25 | 24 | 24 | 25 |
- 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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