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:
Cliffs surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Sunday 14 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Cliffs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cliffs sea temperature is
25.9° C
(Which is slightly warmer than usual)How big are the waves at Cliffs today?
The current surf forecast for Cliffs at 6PM is: 0.7m 7s primary swell from a West direction (forecast issued at 01:00pm December 14). An open ocean swell of 0.7m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 3ft (0.9m) | 7s |
| Afternoon (14 Dec) | 2.5ft (0.8m) | 7s |
| Evening (14 Dec) | 2.5ft (0.7m) | 7s |
Table - waves today at Cliffs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 8 | 8 | 4 | 12 | 8 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 85 | 67 | 50 | 45 | 10 | 22 | 7 | 365 | 11 | 17 | 19 | 21 | 16 | 16 | 23 | 27 | 60 | 89 | 102 | 102 | 86 | 74 | 74 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 11:45AM 0.30 | 1:48AM 0.57 | 12:35PM 0.25 | 2:20AM 0.62 | 1:22PM 0.22 | 2:53AM 0.66 | ||||||||||||||||||
Low Tide / height (m) | 6:12PM 0.02 | 8:52AM 0.20 | 6:39PM 0.01 | 9:42AM 0.16 | 7:08PM 0.01 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 |
| Sunset | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
 | | |  |  | | | | |  | | |  | | |  | | |  |  | | | | | |
Rain (mm) | 1 | 1 | 1 | - | 1 | 1 | 2 | 1 | 1 | - | 1 | - | - | - | - | - | - | 1 | - | - | - | - | 1 | - |
| Temp. °C | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 25 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 23 | 23 | 24 | 24 | 24 | 24 | 23 |
- 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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