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:
Long Reef surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 10 pm Tuesday 16 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Long Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Long Reef sea temperature is
22.4° C
(Which is slightly warmer than usual)How big are the waves at Long Reef today?
The current surf forecast for Long Reef at 1AM is: 1.4m 12s primary swell from a South direction and 0.3m 8s secondary swell from a East direction, 0.7m 4s secondary swell from a East-northeast direction (forecast issued at 10:00pm December 16). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 4ft (1.2m) | 12s |
| Afternoon (17 Dec) | 3.5ft (1.0m) | 11s |
| Evening (17 Dec) | 2.5ft (0.8m) | 11s |
Table - waves today at Long Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 6 | 6 | 11 | 6 | 10 | 10 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 657 | 566 | 472 | 389 | 383 | 322 | 253 | 196 | 189 | 149 | 115 | 112 | 81 | 76 | 76 | 150 | 247 | 314 | 334 | 217 | 183 | 142 | 131 | 122 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | off | cross- off | cross- on | on | cross- on |
High Tide / height (m) | 6:55PM 0.98 | 7:09AM 1.45 | 7:43PM 0.98 | 7:47AM 1.50 | 8:26PM 1.00 | 8:24AM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 12:28AM 0.40 | 1:58PM 0.31 | 1:08AM 0.41 | 2:37PM 0.26 | 1:48AM 0.40 | 3:16PM 0.22 | ||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | 8:00 | - | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - |
 |  |  | | |  | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 19 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 19 | 24 | 25 | 25 | 23 | 22 | 23 | 22 | 24 | 28 | 28 | 25 |
| Feels °C (?) | 17 | 17 | 18 | 18 | 18 | 19 | 18 | 16 | 16 | 17 | 17 | 18 | 19 | 23 | 23 | 22 | 21 | 22 | 24 | 22 | 23 | 28 | 29 | 24 |
- 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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