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:
Devonport Rivermouth surfForecast / TAS – North Coast / Australia
48hr Weather and Surf, issued 4 pm Monday 15 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Devonport Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Devonport Rivermouth sea temperature is
15.2° C
(Which is normal for this time of year)How big are the waves at Devonport Rivermouth today?
The current surf forecast for Devonport Rivermouth at 10PM is: 0.3m 13s primary swell from a Northwest direction and 0.4m 6s secondary swell from a West-northwest direction (forecast issued at 04:00pm December 15). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 1ft (0.3m) | 14s |
| Evening (15 Dec) | 1ft (0.3m) | 13s |
Table - waves today at Devonport Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | |||||||||||||||||||||
| Period(s) (?) | 14 | 6 | 13 | 13 | 13 | 13 | 13 | 4 | 5 | 5 | 6 | 5 | 5 | 12 | 11 | 11 | 11 | 3 | 3 | 3 | - | - | - | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 31 | 66 | 28 | 28 | 17 | 17 | 7 | 16 | 68 | 129 | 101 | 32 | 11 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | off | cross- off | glass | glass | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | glass | cross |
High Tide / height (m) | 9:03PM 2.71 | 9:07AM 2.92 | 9:55PM 2.71 | 9:51AM 2.93 | 10:45PM 2.75 | 10:36AM 2.94 | ||||||||||||||||||
Low Tide / height (m) | 2:44PM 0.98 | 2:50AM 1.24 | 3:30PM 0.94 | 3:37AM 1.31 | 4:17PM 0.89 | 4:27AM 1.34 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - |
| Sunset | - | - | 8:42 | - | - | - | - | - | - | - | 8:43 | - | - | - | - | - | - | - | 8:44 | - | - | - | - | - |
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 13 | 9 | 9 | 9 | 12 | 17 | 20 | 22 | 21 | 15 | 12 | 11 | 13 | 17 | 17 | 17 | 15 | 13 | 13 | 12 | 15 | 22 |
| Feels °C (?) | 9 | 8 | 7 | 4 | 5 | 6 | 9 | 14 | 15 | 17 | 17 | 13 | 11 | 10 | 12 | 16 | 14 | 14 | 14 | 12 | 13 | 10 | 13 | 19 |
- 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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