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:
Annestown surfForecast / Waterford / Ireland
48hr Weather and Surf, issued 11 pm Friday 12 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Annestown surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Annestown sea temperature is
11.3° C
(Which is slightly warmer than usual)How big are the waves at Annestown today?
The current surf forecast for Annestown at 3AM is: 1.3m 10s primary swell from a Southwest direction and 0.7m 8s secondary swell from a South direction, 0.5m 16s secondary swell from a Southwest direction (forecast issued at 11:00pm December 12). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 6.5ft (2.0m) | 6s |
| Afternoon (13 Dec) | 8ft (2.5m) | 7s |
| Evening (13 Dec) | 10ft (3.0m) | 8s |
Table - waves today at Annestown. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 10 | 12 | 10 | 9 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 9 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 501 | 1130 | 377 | 406 | 280 | 516 | 741 | 993 | 1106 | 1197 | 1371 | 1599 | 1904 | 2140 | 2574 | 3070 | 3560 | 2572 | 1413 | 1055 | 273 | 247 | 301 | 119 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | off | cross- off | cross- off | off | cross- off | cross- off | off |
High Tide / height (m) | 11:27PM 2.94 | 12:05PM 3.05 | 12:34AM 2.89 | 1:08PM 3.00 | 1:36AM 2.93 | 2:04PM 3.03 | ||||||||||||||||||
Low Tide / height (m) | 5:55AM 0.99 | 6:37PM 1.10 | 7:01AM 1.06 | 7:38PM 1.09 | 8:02AM 1.05 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - |
 | | |  |  |  | |  | | |  | |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 6 | 6 | 5 | 4 | 4 | 3 | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 9 | 9 | 8 | 8 | 8 | 9 | 8 |
| Feels °C (?) | 5 | 5 | 4 | 4 | 2 | 1 | 1 | 0 | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 3 | 6 | 6 | 7 | 4 | 5 | 5 | 6 | 5 |
- 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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