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:
San Clemente State Park surfForecast / CAL – Orange County / USA
48hr Weather and Surf, issued 9 pm Tuesday 16 Dec 2025 PSTForecast update in hr min s Forecast update imminent
San Clemente State Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's San Clemente State Park sea temperature is
17.1° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at San Clemente State Park today?
The current surf forecast for San Clemente State Park at 2AM is: 0.4m 15s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a West direction (forecast issued at 09:00pm December 16). The wind direction is predicted to be glassy.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1.5ft (0.5m) | 13s |
| Afternoon (17 Dec) | 2ft (0.6m) | 13s |
| Evening (17 Dec) | 2.5ft (0.7m) | 12s |
Table - waves today at San Clemente State Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 12 | 12 | 9 | 8 | 12 | 12 | 8 | 8 | 12 | 12 | 11 | 11 | 11 | 11 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 55 | 84 | 84 | 84 | 63 | 90 | 121 | 113 | 146 | 144 | 125 | 104 | 101 | 327 | 142 | 140 | 276 | 216 | 151 | 154 | 160 | 157 | 78 | 73 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | glass | glass | glass | glass | cross- on | cross- on | cross- on | glass | glass | glass | glass | glass | cross | cross- on | glass | glass | glass | glass | glass | glass | on | cross- on |
High Tide / height (m) | 7:42PM 1.01 | 6:36AM 1.71 | 8:21PM 1.03 | 7:06AM 1.74 | 8:57PM 1.04 | 7:37AM 1.76 | ||||||||||||||||||
Low Tide / height (m) | 12:12AM 0.67 | 2:02PM -0.10 | 12:46AM 0.69 | 2:34PM -0.16 | 1:20AM 0.71 | 3:07PM -0.18 | ||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 4:44 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:45 |
 |  | | |  | | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 16 | 17 | 16 | 18 | 19 | 19 | 18 | 18 | 19 | 19 | 20 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 |
| Feels °C (?) | 15 | 15 | 16 | 17 | 16 | 18 | 18 | 18 | 17 | 18 | 18 | 19 | 19 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 20 | 20 | 20 | 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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