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:
Rockaway surfForecast / CAL – San Mateo / USA
48hr Weather and Surf, issued 9 am Saturday 13 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Rockaway surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rockaway sea temperature is
12.9° C
(Which is normal for this time of year)How big are the waves at Rockaway today?
The current surf forecast for Rockaway at 3PM is: 1.0m 12s primary swell from a West-northwest direction (forecast issued at 09:00am December 13). An open ocean swell of 0.3m 12s is not directed at the surf break, a second open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4ft (1.2m) | 12s |
| Afternoon (13 Dec) | 3.5ft (1.0m) | 12s |
| Evening (13 Dec) | 3ft (0.9m) | 12s |
Table - waves today at Rockaway. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 14 | 9 | 9 | 9 | 11 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 380 | 317 | 311 | 237 | 229 | 193 | 189 | 145 | 140 | 93 | 89 | 88 | 79 | 49 | 69 | 72 | 87 | 67 | 56 | 55 | 55 | 65 | 227 | 432 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | glass | glass | cross- off | glass | cross | cross | cross- off | cross- on | cross | cross- on | cross | cross- on | cross | cross | cross | cross- on | on | on | on | on | glass |
High Tide / height (m) | 5:49AM 2.29 | 6:32PM 1.68 | 6:25AM 2.32 | 7:44PM 1.70 | 6:59AM 2.35 | 8:44PM 1.76 | ||||||||||||||||||
Low Tide / height (m) | 12:42PM 0.86 | 11:48PM 1.07 | 1:31PM 0.68 | 12:35AM 1.20 | 2:13PM 0.53 | 1:21AM 1.31 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 7:15 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - |
 |  | | | | | | | | | | | | |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 11 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 15 | 17 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 |
| Feels °C (?) | 4 | 7 | 11 | 13 | 12 | 11 | 12 | 9 | 9 | 10 | 12 | 14 | 13 | 12 | 11 | 11 | 10 | 11 | 12 | 13 | 12 | 15 | 14 | 16 |
- 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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