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:
Ram5 surfForecast / Antofagasta / Chile
48hr Weather and Surf, issued 2 am Tuesday 16 Dec 2025 -04Forecast update in hr min s Forecast update imminent
Ram5 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ram5 sea temperature is
19.6° C
(Which is normal for this time of year)How big are the waves at Ram5 today?
The current surf forecast for Ram5 at 4AM is: 1.4m 11s primary swell from a Southwest direction and 0.4m 14s secondary swell from a Northwest direction (forecast issued at 02:00am December 16). The wind direction is predicted to be cross-onshore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 4.5ft (1.3m) | 10s |
| Afternoon (16 Dec) | 4.5ft (1.4m) | 11s |
| Evening (16 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Ram5. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 542 | 497 | 462 | 355 | 361 | 471 | 479 | 488 | 488 | 497 | 488 | 386 | 354 | 341 | 292 | 292 | 258 | 258 | 216 | 216 | 220 | 192 | 189 | 151 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | glass | glass | cross- on | cross- on | cross- on | glass | cross- on | cross | glass | glass | cross- on | cross- on | cross- on | glass | glass | glass | glass | glass | cross- on | cross- on | cross | glass |
High Tide / height (m) | 7:55AM 0.70 | 8:32PM 1.07 | 8:45AM 0.68 | 9:09PM 1.11 | 9:30AM 0.67 | |||||||||||||||||||
Low Tide / height (m) | 1:46PM 0.21 | 3:19AM 0.24 | 2:23PM 0.21 | 4:01AM 0.19 | 3:01PM 0.21 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 | - |
 |  | |  | | | | | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 17 | 18 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 20 | 20 | 19 | 18 | 19 | 18 | 18 | 19 | 20 | 19 | 18 | 17 |
| Feels °C (?) | 18 | 19 | 18 | 19 | 19 | 18 | 17 | 18 | 17 | 17 | 18 | 19 | 20 | 19 | 19 | 19 | 20 | 19 | 18 | 19 | 20 | 18 | 18 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ram5 surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest