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:
Tracks surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 12 pm Tuesday 16 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Tracks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tracks sea temperature is
18.8° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Tracks today?
The current surf forecast for Tracks at 6PM is: 0.4m 11s primary swell from a South-southeast direction (forecast issued at 12:00pm December 16). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.4m) | 11s |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 11s |
| Evening (16 Dec) | 1.5ft (0.4m) | 11s |
Table - waves today at Tracks. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 6 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 5 | 5 | 10 | 16 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 29 | 57 | 44 | 44 | 29 | 30 | 29 | 22 | 20 | 20 | 20 | 9 | 25 | 627 | 875 | 1137 | 721 | 627 | 486 | 431 | 372 | 325 | 275 | 186 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- off | cross | cross | cross- off | off | off | cross- off | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | glass | on | cross- on | cross- on | cross | off |
High Tide / height (m) | 4:00PM 1.51 | 4:32AM 1.57 | 4:48PM 1.51 | 5:17AM 1.59 | 5:33PM 1.52 | 6:01AM 1.61 | ||||||||||||||||||
Low Tide / height (m) | 9:57AM 0.46 | 10:11PM 0.47 | 10:46AM 0.50 | 11:00PM 0.51 | 11:32AM 0.52 | 11:48PM 0.52 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 |
| Sunset | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:31 | - | - | - | - |
 |  | | |  | |  | | | | | | | | |  | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | 2 | - | - | - | - | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 22 | 25 | 25 | 22 | 17 | 16 | 16 | 15 | 17 | 16 | 16 | 13 | 14 | 13 | 11 | 13 | 17 | 18 | 19 | 19 | 18 | 16 |
| Feels °C (?) | 15 | 15 | 19 | 22 | 21 | 19 | 16 | 14 | 12 | 10 | 13 | 15 | 15 | 7 | 9 | 8 | 8 | 10 | 15 | 14 | 15 | 17 | 16 | 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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