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:
Ackergill surfForecast / Scot – East Coast / UK
48hr Weather and Surf, issued 5 am Wednesday 17 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Ackergill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ackergill sea temperature is
9.9° C
(Which is slightly warmer than usual)How big are the waves at Ackergill today?
The current surf forecast for Ackergill at 7AM is: 1.4m 5s primary swell from a South-southeast direction and 0.2m 14s secondary swell from a West-northwest direction, 0.1m 8s secondary swell from a Northwest direction (forecast issued at 05:00am December 17). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 0.5ft (0.2m) | 13s |
| Afternoon (17 Dec) | 0.5ft (0.2m) | 14s |
| Evening (17 Dec) | 0.5ft (0.1m) | 13s |
Table - waves today at Ackergill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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) (?) | 5 | 5 | 13 | 13 | 14 | 13 | 13 | 4 | 16 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 16 | 17 | 17 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 53 | 105 | 18 | 17 | 18 | 18 | 3 | 20 | 50 | 424 | 428 | 555 | 539 | 533 | 528 | 402 | 333 | 243 | 166 | 89 | 97 | 99 | 90 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:28AM 3.13 | 9:50PM 3.11 | 10:06AM 3.24 | 10:31PM 3.16 | 10:43AM 3.34 | 11:10PM 3.19 | ||||||||||||||||||
Low Tide / height (m) | 3:08AM 1.26 | 3:33PM 1.37 | 3:45AM 1.25 | 4:12PM 1.27 | 4:20AM 1.23 | 4:49PM 1.18 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | - | 8:56 | - | - | - | - | - | - | - | 8:57 | - | - | - | - | - | - | - | 8:57 | - | - | - | - | - |
| Sunset | - | - | - | - | 3:18 | - | - | - | - | - | - | - | 3:18 | - | - | - | - | - | - | - | 3:18 | - | - | - |
 |  |  |  |  |  | |  | | |  | | | | |  | | | | | | | | | |
Rain (mm) | - | - | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 6 | 7 | 7 | 9 | 8 | 8 | 8 |
| Feels °C (?) | -1 | -4 | -2 | 1 | 3 | 4 | 2 | 1 | 1 | 0 | 1 | -1 | -1 | -3 | -2 | 0 | -2 | -3 | -2 | -4 | -3 | -3 | 0 | 1 |
- 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 Ackergill 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