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:
Cannon Beach surfForecast / Alaska – Mainland / USA
48hr Weather and Surf, issued 4 pm Thursday 11 Dec 2025 MSTForecast update in hr min s Forecast update imminent
Cannon Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cannon Beach sea temperature is
7.4° C
(Which is slightly warmer than usual)How big are the waves at Cannon Beach today?
The current surf forecast for Cannon Beach at 10PM is: 1.0m 11s primary swell from a South direction and 0.7m 11s secondary swell from a Southwest direction (forecast issued at 04:00pm December 11). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (MST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 2.5ft (0.8m) | 12s |
| Evening (11 Dec) | 2.5ft (0.7m) | 11s |
Table - waves today at Cannon Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 14 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 164 | 174 | 116 | 229 | 168 | 156 | 170 | 136 | 133 | 138 | 106 | 103 | 78 | 54 | 51 | 35 | 21 | 100 | 236 | 334 | 497 | 425 | 486 | 449 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | glass | glass | glass | off | glass | cross- off | off | off | off | off | off | cross- off | off | off | off | off | off |
High Tide / height (m) | 7:50PM 2.30 | 9:07AM 2.66 | 9:13PM 2.06 | 9:59AM 2.72 | 10:41PM 1.98 | 10:47AM 2.81 | ||||||||||||||||||
Low Tide / height (m) | 2:13PM 1.02 | 2:18AM 0.38 | 3:33PM 0.89 | 3:14AM 0.67 | 4:45PM 0.68 | 4:11AM 0.92 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 11:07 | - | - | - | - | - | - | - | 11:07 | - | - | - | - | - | - | - |
| Sunset | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - |
 | |  | | | | | | | |  | | | |  | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -7 | -6 | -6 | -6 | -6 | -5 | -5 | -5 | -5 | -4 | -4 | -3 | -4 | -3 | -2 | -3 | -2 | -2 | -3 | -4 | -4 | -5 | -5 | -5 |
| Feels °C (?) | -13 | -12 | -12 | -11 | -11 | -10 | -10 | -9 | -9 | -8 | -9 | -7 | -10 | -8 | -7 | -10 | -9 | -10 | -10 | -12 | -12 | -13 | -13 | -13 |
- 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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