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:
Anatori River surfForecast / Nelson – West Coast / New Zealand
48hr Weather and Surf, issued 6 pm Saturday 13 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Anatori River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Anatori River sea temperature is
17.4° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Anatori River today?
The current surf forecast for Anatori River at 11PM is: 1.4m 12s primary swell from a West-southwest direction and 0.3m 14s secondary swell from a North-northwest direction (forecast issued at 06:00pm December 13). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 5ft (1.6m) | 12s |
| Evening (13 Dec) | 5ft (1.5m) | 12s |
Table - waves today at Anatori River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 14 | 7 | 8 | 8 | 8 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 671 | 593 | 583 | 477 | 387 | 380 | 325 | 319 | 270 | 222 | 206 | 167 | 133 | 109 | 106 | 239 | 233 | 156 | 324 | 473 | 502 | 612 | 1034 | 1070 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- off | cross- off | off | cross- off | cross | cross- on | cross- on | cross- on | cross | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross | cross |
High Tide / height (m) | 6:05PM 2.51 | 6:43AM 2.41 | 7:03PM 2.47 | 7:39AM 2.45 | 7:57PM 2.48 | 8:30AM 2.52 | ||||||||||||||||||
Low Tide / height (m) | 12:25AM 0.72 | 12:49PM 0.83 | 1:21AM 0.73 | 1:46PM 0.82 | 2:12AM 0.70 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - |
| Sunset | - | 8:54 | - | - | - | - | - | - | - | 8:55 | - | - | - | - | - | - | - | 8:57 | - | - | - | - | - | - |
 | |  | | | |  | | | | | |  | |  | | | |  | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 7 | 24 | 7 |
| Temp. °C | 16 | 17 | 14 | 14 | 14 | 14 | 17 | 18 | 18 | 18 | 15 | 15 | 15 | 16 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 18 | 16 | 16 |
| Feels °C (?) | 15 | 16 | 12 | 12 | 13 | 13 | 16 | 17 | 16 | 17 | 14 | 14 | 15 | 16 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 15 | 15 | 13 |
- 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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