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:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Sunday 14 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima Harbour sea temperature is
21.4° C
(Which is slightly cooler than normal)How big are the waves at Aoshima Harbour today?
The current surf forecast for Aoshima Harbour at 9AM is: 1.4m 8s primary swell from a Southeast direction and 0.5m 11s secondary swell from a East direction (forecast issued at 02:00am December 14). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 4.5ft (1.4m) | 8s |
| Afternoon (14 Dec) | 3ft (0.9m) | 7s |
| Evening (14 Dec) | 1.5ft (0.5m) | 12s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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) (?) | 7 | 8 | 8 | 8 | 7 | 7 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 315 | 453 | 434 | 210 | 107 | 79 | 68 | 65 | 60 | 39 | 39 | 58 | 104 | 102 | 100 | 100 | 74 | 71 | 69 | 71 | 71 | 50 | 47 | 45 |
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 | cross- on | glass | glass | cross- off | cross- off | cross- off | cross- off | glass | on | glass | cross- off |
High Tide / height (m) | 1:11AM 1.42 | 1:28PM 1.70 | 2:39AM 1.49 | 2:15PM 1.73 | 3:48AM 1.59 | 2:58PM 1.77 | ||||||||||||||||||
Low Tide / height (m) | 7:01AM 0.80 | 8:16PM 0.59 | 8:09AM 0.89 | 9:09PM 0.40 | 9:11AM 0.95 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 | - | - |
 |  |  |  |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | 19 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 12 | 11 | 11 | 12 | 10 | 9 | 9 | 8 | 8 | 9 | 11 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 12 | 13 | 13 | 11 |
| Feels °C (?) | 13 | 12 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 2 | 3 | 5 | 8 | 8 | 10 | 9 | 7 | 6 | 6 | 6 | 9 | 10 | 12 | 8 |
- 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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