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:
Newport surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 11 pm Monday 15 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Newport surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Newport sea temperature is
11.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Newport today?
The current surf forecast for Newport at 5AM is: 0.5m 14s primary swell from a West-southwest direction and 0.9m 8s secondary swell from a Southwest direction, 0.4m 3s secondary swell from a North-northwest direction (forecast issued at 11:00pm December 15). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.5m) | 14s |
| Afternoon (16 Dec) | 1.5ft (0.5m) | 14s |
| Evening (16 Dec) | 1.5ft (0.5m) | 14s |
Table - waves today at Newport. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 14 | 14 | 14 | 14 | 14 | 14 | 8 | 14 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 21 | 21 | 20 | 19 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 176 | 145 | 104 | 105 | 107 | 105 | 107 | 108 | 108 | 116 | 69 | 494 | 885 | 1279 | 1950 | 2262 | 1996 | 1126 | 817 | 934 | 916 | 821 | 788 | 623 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:40AM 3.87 | 4:59PM 4.02 | 5:26AM 4.06 | 5:43PM 4.12 | 6:07AM 4.24 | |||||||||||||||||||
Low Tide / height (m) | 10:57PM 1.82 | 11:04AM 1.88 | 11:34PM 1.74 | 11:47AM 1.76 | 12:10AM 1.66 | 12:28PM 1.66 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - |
 |  | | |  | |  | |  | | |  | | |  | | |  | | | | | | | |
Rain (mm) | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 4 | 9 | 3 | - | - | - | - | - |
| Temp. °C | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 8 | 7 | 6 | 6 | 8 | 9 | 9 | 9 | 10 | 11 | 12 | 10 | 10 | 10 | 9 | 10 |
| Feels °C (?) | 7 | 7 | 6 | 6 | 4 | 4 | 4 | 6 | 5 | 4 | 2 | 1 | 2 | 1 | 0 | -1 | 1 | 3 | 8 | 7 | 8 | 7 | 4 | 3 |
- 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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