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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Hammerhead surfForecast / Nayarit / Mexico
48hr Weather and Surf, issued 11 am Friday 12 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Hammerhead surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hammerhead sea temperature is
26.9° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Hammerhead today?
The current surf forecast for Hammerhead at 6PM is: 0.4m 12s primary swell from a South direction and 0.3m 8s secondary swell from a South direction (forecast issued at 11:00am December 12). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 1.5ft (0.4m) | 11s |
| Afternoon (12 Dec) | 1.5ft (0.4m) | 13s |
| Evening (12 Dec) | 1.5ft (0.5m) | 12s |
Table - waves today at Hammerhead. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 15 | 15 | 15 | 14 | 9 | 14 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 41 | 54 | 53 | 49 | 73 | 73 | 72 | 72 | 72 | 27 | 67 | 67 | 68 | 44 | 69 | 75 | 75 | 68 | 54 | 33 | 54 | 23 | 64 | 68 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:19PM 0.92 | 5:31AM 1.23 | 6:51PM 0.98 | 5:59AM 1.29 | 7:40PM 1.05 | |||||||||||||||||||
Low Tide / height (m) | 12:16PM 0.74 | 10:50PM 0.75 | 12:49PM 0.59 | 11:47PM 0.79 | 1:16PM 0.45 | 12:29AM 0.82 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | 7:31 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:23 | - | - | - | - |
 | | | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 25 | 25 | 24 | 26 | 26 | 24 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 25 | 25 | 25 | 26 |
- 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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