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:
Magoos surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 am Sunday 14 Dec 2025 ChSTForecast update in hr min s Forecast update imminent
Magoos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Magoos sea temperature is
29.0° C
(Which is slightly warmer than usual)How big are the waves at Magoos today?
The current surf forecast for Magoos at 12PM is: 2.5m 9s primary swell from a East-northeast direction and 0.1m 15s secondary swell from a East direction (forecast issued at 09:00am December 14). An open ocean swell of 0.1m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 7.5ft (2.3m) | 8s |
| Afternoon (14 Dec) | 8ft (2.5m) | 9s |
| Evening (14 Dec) | 7.5ft (2.3m) | 9s |
Table - waves today at Magoos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 638 | 796 | 898 | 887 | 907 | 829 | 641 | 641 | 529 | 473 | 540 | 554 | 585 | 488 | 549 | 427 | 464 | 505 | 376 | 347 | 309 | 316 | 309 | 349 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:02AM 0.42 | 3:32PM 0.62 | 5:26AM 0.46 | 4:00PM 0.61 | 6:28AM 0.51 | 4:28PM 0.61 | ||||||||||||||||||
Low Tide / height (m) | 9:04AM 0.26 | 10:45PM 0.07 | 10:03AM 0.33 | 11:23PM -0.01 | 11:03AM 0.38 | 11:58PM -0.08 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - |
 | | | |  |  | | | | | | |  | |  | |  |  | | | | | | | |
Rain (mm) | 1 | 2 | 2 | 1 | - | 1 | - | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
| Feels °C (?) | 26 | 25 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
- 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 Magoos 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