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:
Colac Bay surfForecast / Southland / New Zealand
48hr Weather and Surf, issued 12 pm Saturday 13 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Colac Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Colac Bay sea temperature is
14.7° C
(Which is 2.9°C warmer than normal for this time of year)How big are the waves at Colac Bay today?
The current surf forecast for Colac Bay at 2PM is: 1.2m 11s primary swell from a West-southwest direction and 0.2m 11s secondary swell from a South direction (forecast issued at 12:00pm December 13). The wind direction is predicted to be cross-shore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4.5ft (1.3m) | 11s |
| Afternoon (13 Dec) | 4ft (1.2m) | 11s |
| Evening (13 Dec) | 3.5ft (1.1m) | 11s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 12 | 14 | 14 | 13 | 13 | 14 | 13 | 8 | 12 | 12 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 430 | 363 | 308 | 356 | 308 | 302 | 251 | 130 | 217 | 205 | 208 | 279 | 613 | 474 | 350 | 272 | 145 | 649 | 663 | 123 | 121 | 404 | 1175 | 3649 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross | cross | cross | glass | cross- off | cross | glass | on | on | on | glass | cross- off | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 9:19AM 2.13 | 9:45PM 2.16 | 10:12AM 2.14 | 10:38PM 2.17 | 11:01AM 2.15 | 11:27PM 2.20 | ||||||||||||||||||
Low Tide / height (m) | 3:33PM 0.76 | 3:57AM 0.73 | 4:27PM 0.78 | 4:49AM 0.79 | 5:18PM 0.78 | 5:41AM 0.82 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 |
| Sunset | - | - | - | 9:34 | - | - | - | - | - | - | - | 9:35 | - | - | - | - | - | - | - | 9:36 | - | - | - | - |
 |  | | |  |  | | | | | | | | | |  | |  | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 4 | 5 | - | - | - | - |
| Temp. °C | 12 | 15 | 15 | 13 | 12 | 11 | 10 | 10 | 13 | 17 | 18 | 17 | 16 | 16 | 16 | 18 | 19 | 13 | 13 | 13 | 12 | 10 | 9 | 9 |
| Feels °C (?) | 11 | 13 | 11 | 9 | 10 | 10 | 8 | 8 | 12 | 14 | 15 | 15 | 15 | 11 | 11 | 14 | 14 | 10 | 9 | 11 | 11 | 8 | 7 | 6 |
- 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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