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:
Rackwick surfForecast / Scot – Orkney / UK
48hr Weather and Surf, issued 11 am Saturday 13 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Rackwick surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rackwick sea temperature is
10.2° C
(Which is slightly warmer than usual)How big are the waves at Rackwick today?
The current surf forecast for Rackwick at 2PM is: 4.0m 15s primary swell from a West direction and 1.4m 5s secondary swell from a South direction (forecast issued at 11:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 15ft (4.5m) | 16s |
| Afternoon (13 Dec) | 11ft (3.5m) | 15s |
| Evening (13 Dec) | 15ft (4.5m) | 14s |
Table - waves today at Rackwick. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 9 | 13 | 13 | 14 | 17 | 17 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10750 | 8468 | 6198 | 6607 | 8861 | 7576 | 5830 | 4199 | 3319 | 2717 | 2139 | 1725 | 1538 | 2423 | 866 | 2328 | 2257 | 2782 | 5602 | 7138 | 8179 | 7244 | 5475 | 4780 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 3:21PM 2.56 | 4:21AM 2.38 | 4:23PM 2.52 | 5:13AM 2.47 | 5:18PM 2.53 | 5:57AM 2.57 | ||||||||||||||||||
Low Tide / height (m) | 9:07AM 1.16 | 10:00PM 0.80 | 10:23AM 1.12 | 10:59PM 0.79 | 11:24AM 1.01 | 11:48PM 0.75 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | 8:56 | - | - | - | - | - | - | - | 8:57 | - | - | - | - | - | - | - | 8:59 | - | - | - | - | - | - | - |
| Sunset | - | - | 3:17 | - | - | - | - | - | - | - | 3:15 | - | - | - | - | - | - | - | 3:15 | - | - | - | - | - |
 | |  |  | | | | |  | | | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | 1 | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 9 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 13 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels °C (?) | 0 | -2 | -2 | 0 | 1 | 1 | 3 | 3 | 6 | 3 | 2 | 5 | -4 | -1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
- 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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