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:
Sea Cliff surfForecast / Mainland / Tanzania
48hr Weather and Surf, issued 2 am Wednesday 17 Dec 2025 EATForecast update in hr min s Forecast update imminent
Sea Cliff surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sea Cliff sea temperature is
29.3° C
(Which is slightly warmer than usual)How big are the waves at Sea Cliff today?
The current surf forecast for Sea Cliff at 9AM is: 0.6m 8s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a Northeast direction (forecast issued at 02:00am December 17). The wind direction is predicted to be cross-offshore.
| Time (EAT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 2ft (0.6m) | 8s |
| Afternoon (17 Dec) | 3ft (0.9m) | 8s |
| Evening (17 Dec) | 2.5ft (0.8m) | 8s |
Table - waves today at Sea Cliff. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 8 | 8 | 6 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 49 | 47 | 45 | 45 | 63 | 92 | 83 | 79 | 77 | 96 | 75 | 75 | 91 | 74 | 51 | 37 | 35 | 27 | 27 | 27 | 37 | 26 | 18 | 43 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- off | cross- off | on | on | cross- on | cross- on | on | cross- on | cross- off | cross- off | cross- on | on | on | on | on | on | glass | glass | cross- on | on | on | on |
High Tide / height (m) | 2:23AM 2.86 | 2:56PM 2.39 | 3:01AM 2.99 | 3:33PM 2.49 | 3:37AM 3.10 | 4:07PM 2.58 | ||||||||||||||||||
Low Tide / height (m) | 8:50AM 0.69 | 8:35PM 0.83 | 9:26AM 0.54 | 9:12PM 0.71 | 10:00AM 0.42 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - |
 | |  |  |  | | |  |  | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | 2 | - | - | - | - | - | 7 | 9 | 2 | - | - | - | - | - | 1 | 2 | 1 | - | - | - | - | - |
| Temp. °C | 27 | 26 | 25 | 27 | 29 | 30 | 28 | 28 | 27 | 27 | 26 | 27 | 29 | 29 | 29 | 28 | 27 | 26 | 26 | 27 | 29 | 30 | 28 | 28 |
| Feels °C (?) | 31 | 30 | 29 | 31 | 31 | 32 | 29 | 30 | 30 | 30 | 30 | 31 | 32 | 31 | 32 | 31 | 30 | 30 | 31 | 32 | 31 | 32 | 30 | 31 |
- 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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