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:
The Cove surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Friday 12 Dec 2025 HSTForecast update in hr min s Forecast update imminent
The Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Cove sea temperature is
26.0° C
(Which is slightly warmer than usual)How big are the waves at The Cove today?
The current surf forecast for The Cove at 6PM is: 0.4m 12s primary swell from a South-southwest direction (forecast issued at 01:00pm December 12). An open ocean swell of 0.8m 11s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 1.5ft (0.5m) | 13s |
| Afternoon (12 Dec) | 1.5ft (0.4m) | 13s |
| Evening (12 Dec) | 1.5ft (0.4m) | 12s |
Table - waves today at The Cove. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 8 | 12 | 12 | 12 | 12 | 4 | 4 | 5 | 5 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 4 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 67 | 65 | 50 | 50 | 20 | 49 | 48 | 48 | 28 | 28 | 40 | 46 | 47 | 60 | 45 | 10 | 6 | 10 | 7 | 6 | 10 | 10 | 10 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | glass | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 9:27AM 0.49 | 12:19AM 0.50 | 10:16AM 0.42 | 12:59AM 0.58 | 11:12AM 0.36 | 1:33AM 0.64 | ||||||||||||||||||
Low Tide / height (m) | 4:51PM 0.11 | 6:02AM 0.35 | 5:21PM 0.10 | 7:39AM 0.32 | 5:51PM 0.09 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 |
| Sunset | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
 | | |  | | | | | | | |  | | | |  | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | - | - | - | 1 | 1 | 2 | 3 | 5 |
| Temp. °C | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 |
| Feels °C (?) | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 22 | 24 | 25 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | 24 | 25 |
- 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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