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:
Tivives surfForecast / Golfo de Nicoya / Costa Rica
48hr Weather and Surf, issued 5 am Sunday 14 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Tivives surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tivives sea temperature is
28.6° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Tivives today?
The current surf forecast for Tivives at 11AM is: 0.7m 7s primary swell from a South direction and 0.3m 11s secondary swell from a South-southwest direction (forecast issued at 05:00am December 14). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2.5ft (0.7m) | 7s |
| Afternoon (14 Dec) | 2.5ft (0.7m) | 7s |
| Evening (14 Dec) | 2.5ft (0.7m) | 7s |
Table - waves today at Tivives. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 14 | 14 | 14 | 6 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 45 | 45 | 45 | 45 | 44 | 47 | 45 | 45 | 47 | 60 | 60 | 60 | 64 | 43 | 43 | 43 | 58 | 58 | 57 | 57 | 56 | 50 | 49 | 54 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | glass | on | cross- on | glass | glass | off | cross- off | off | cross- off | glass | cross- on | glass | glass | off | off | off | glass | on | cross- on | cross- on | off | off |
High Tide / height (m) | 10:40AM 2.10 | 11:03PM 2.38 | 11:41AM 2.09 | 11:55PM 2.38 | 12:36PM 2.12 | |||||||||||||||||||
Low Tide / height (m) | 4:36AM 0.76 | 4:41PM 0.83 | 5:34AM 0.74 | 5:37PM 0.86 | 6:27AM 0.68 | 6:29PM 0.84 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - |
 |  | | |  |  |  |  | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 24 | 24 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 27 | 28 | 29 | 27 | 26 | 25 | 24 | 24 | 27 | 28 | 28 | 26 | 26 | 25 |
| Feels °C (?) | 26 | 27 | 31 | 31 | 31 | 30 | 30 | 28 | 28 | 26 | 30 | 31 | 31 | 31 | 30 | 27 | 26 | 25 | 29 | 30 | 30 | 29 | 29 | 28 |
- 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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