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:
Jaco Beach surfForecast / Golfo de Nicoya / Costa Rica
48hr Weather and Surf, issued 11 pm Thursday 11 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Jaco Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jaco Beach sea temperature is
28.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Jaco Beach today?
The current surf forecast for Jaco Beach at 5AM is: 0.6m 12s primary swell from a South-southwest direction and 0.5m 6s secondary swell from a South direction (forecast issued at 11:00pm December 11). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2ft (0.6m) | 12s |
| Afternoon (12 Dec) | 1.5ft (0.5m) | 12s |
| Evening (12 Dec) | 3.5ft (1.0m) | 7s |
Table - waves today at Jaco Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 16 | 16 | 7 | 7 | 7 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 115 | 113 | 111 | 109 | 107 | 106 | 75 | 75 | 94 | 100 | 127 | 131 | 127 | 120 | 102 | 82 | 82 | 79 | 66 | 66 | 62 | 77 | 77 | 60 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross- off | cross- off | glass | cross | cross- off | cross- off | glass | glass | cross- off | cross- off | glass | glass | cross- off | glass | glass | cross- off | cross- off | cross- off | glass | cross- on | cross | glass |
High Tide / height (m) | 8:25AM 2.23 | 9:03PM 2.41 | 9:27AM 2.11 | 9:58PM 2.35 | 10:30AM 2.04 | |||||||||||||||||||
Low Tide / height (m) | 2:24AM 0.66 | 2:37PM 0.60 | 3:26AM 0.73 | 3:34PM 0.73 | 4:27AM 0.75 | 4:31PM 0.81 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:20 | - |
 | |  |  | | |  | | |  | | | | |  |  | | | | | | | | | |
Rain (mm) | 1 | 2 | 1 | - | - | - | - | 1 | 2 | - | 1 | - | - | - | 1 | - | - | - | - | - | - | - | - | 2 |
| Temp. °C | 27 | 26 | 25 | 25 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 26 | 27 | 27 | 26 |
| Feels °C (?) | 31 | 29 | 27 | 27 | 30 | 29 | 29 | 31 | 30 | 30 | 28 | 28 | 30 | 31 | 31 | 31 | 30 | 28 | 26 | 26 | 29 | 30 | 30 | 30 |
- 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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