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:
Fish Boma surfForecast / Garden Route / South Africa
48hr Weather and Surf, issued 7 am Wednesday 17 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Fish Boma surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fish Boma sea temperature is
20.3° C
(Which is normal for this time of year)How big are the waves at Fish Boma today?
The current surf forecast for Fish Boma at 10AM is: 3.0m 10s primary swell from a Southwest direction and 0.2m 8s secondary swell from a East direction (forecast issued at 07:00am December 17). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 10ft (3.0m) | 10s |
| Afternoon (17 Dec) | 10ft (3.0m) | 10s |
| Evening (17 Dec) | 5.5ft (1.7m) | 10s |
Table - waves today at Fish Boma. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1002 | 1699 | 1664 | 1470 | 1178 | 574 | 492 | 459 | 445 | 545 | 573 | 505 | 443 | 400 | 407 | 423 | 292 | 334 | 322 | 284 | 296 | 377 | 1034 | 1138 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- off | cross | on | cross- on | cross- on | cross | off | off | glass | glass | cross- on | cross- on | cross- on | cross- on | glass | off |
High Tide / height (m) | 2:07AM 1.36 | 2:12PM 1.51 | 2:42AM 1.43 | 2:48PM 1.56 | 3:15AM 1.50 | 3:21PM 1.60 | ||||||||||||||||||
Low Tide / height (m) | 8:03AM 0.48 | 8:34PM 0.33 | 8:39AM 0.41 | 9:06PM 0.27 | 9:14AM 0.36 | 9:38PM 0.22 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:36 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - |
 |  | | | |  | | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 18 | 20 | 20 | 20 | 18 | 16 | 16 | 15 | 18 | 21 | 21 | 21 | 19 | 17 | 16 |
| Feels °C (?) | 15 | 14 | 14 | 14 | 15 | 16 | 15 | 16 | 15 | 16 | 17 | 17 | 18 | 17 | 15 | 15 | 14 | 17 | 20 | 19 | 19 | 19 | 18 | 16 |
- 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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