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:
Pipeline surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Saturday 13 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Pipeline surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pipeline sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Pipeline today?
The current surf forecast for Pipeline at 7AM is: 1.6m 10s primary swell from a North-northwest direction (forecast issued at 01:00am December 13). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 5ft (1.5m) | 10s |
| Afternoon (13 Dec) | 4.5ft (1.3m) | 10s |
| Evening (13 Dec) | 3.5ft (1.0m) | 10s |
Table - waves today at Pipeline. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 16 | 9 | 11 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 410 | 540 | 520 | 441 | 441 | 377 | 308 | 250 | 167 | 150 | 206 | 334 | 693 | 1680 | 1858 | 1932 | 1750 | 1479 | 1094 | 940 | 1649 | 1649 | 1604 | 1427 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross | cross | cross- on | glass | glass | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off |
High Tide / height (m) | 12:18AM 0.50 | 8:40AM 0.49 | 12:43AM 0.58 | 9:04AM 0.45 | 1:09AM 0.65 | 9:36AM 0.41 | ||||||||||||||||||
Low Tide / height (m) | 4:38AM 0.46 | 4:39PM 0.16 | 7:07AM 0.44 | 5:03PM 0.13 | 8:45AM 0.41 | 5:28PM 0.10 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:52 | - |
 | | |  | | | | | |  | | | |  | | |  | | |  |  |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | 1 | 1 | 1 | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 23 | 22 | 22 | 23 | 26 | 26 | 26 | 24 | 24 | 24 | 23 | 23 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 |
| Feels °C (?) | 24 | 23 | 23 | 23 | 24 | 24 | 26 | 24 | 24 | 24 | 24 | 26 | 29 | 27 | 26 | 27 | 26 | 25 | 23 | 23 | 24 | 25 | 26 | 26 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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