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:
De Haven Creek surfForecast / CAL – Mendocino County / USA
48hr Weather and Surf, issued 3 pm Tuesday 16 Dec 2025 PSTForecast update in hr min s Forecast update imminent
De Haven Creek surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's De Haven Creek sea temperature is
12.9° C
(Which is slightly warmer than usual)How big are the waves at De Haven Creek today?
The current surf forecast for De Haven Creek at 5PM is: 2.2m 12s primary swell from a West direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 03:00pm December 16). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 7ft (2.2m) | 12s |
| Evening (16 Dec) | 7ft (2.1m) | 12s |
Table - waves today at De Haven Creek. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1469 | 1302 | 1249 | 1269 | 1294 | 1412 | 1455 | 1423 | 838 | 1084 | 894 | 786 | 640 | 550 | 831 | 734 | 621 | 663 | 567 | 867 | 1007 | 1107 | 1546 | 1676 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | glass | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 10:25PM 1.24 | 8:38AM 1.86 | 11:10PM 1.28 | 9:12AM 1.88 | 11:48PM 1.31 | 9:47AM 1.89 | ||||||||||||||||||
Low Tide / height (m) | 3:19PM 0.03 | 2:14AM 0.95 | 3:55PM -0.06 | 2:55AM 0.99 | 4:30PM -0.12 | 3:34AM 1.01 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - | 7:31 |
| Sunset | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - |
 | |  |  | | |  |  |  | |  | |  | | |  | | | | | | | |  | |
Rain (mm) | 3 | 4 | 11 | 9 | 6 | 6 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 9 |
| Temp. °C | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 12 | 12 | 13 | 14 | 14 | 15 | 13 | 13 | 14 | 13 | 13 |
| Feels °C (?) | 16 | 16 | 13 | 13 | 14 | 14 | 13 | 12 | 10 | 10 | 11 | 8 | 9 | 11 | 10 | 11 | 12 | 12 | 14 | 12 | 11 | 11 | 9 | 9 |
- 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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