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:
Empty Lots surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Tuesday 16 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Empty Lots surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Empty Lots sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Empty Lots today?
The current surf forecast for Empty Lots at 10PM is: 1.3m 6s primary swell from a South direction and 0.4m 7s secondary swell from a East direction (forecast issued at 07:00pm December 16). An open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 4.5ft (1.3m) | 6s |
| Evening (16 Dec) | 4.5ft (1.3m) | 6s |
Table - waves today at Empty Lots. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 5 | 5 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 134 | 139 | 132 | 123 | 119 | 123 | 123 | 119 | 102 | 83 | 64 | 59 | 43 | 39 | 39 | 29 | 22 | 15 | 10 | 12 | 44 | 7 | 7 | 23 |
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 | cross- on | cross- on | cross- on | cross- on | cross- on | cross | glass | glass | glass | glass | on | cross- on |
High Tide / height (m) | 2:38AM 0.73 | 1:49PM 0.28 | 3:11AM 0.75 | 2:29PM 0.27 | 3:45AM 0.77 | |||||||||||||||||||
Low Tide / height (m) | 6:54PM 0.07 | 10:03AM 0.21 | 7:28PM 0.05 | 10:37AM 0.19 | 8:03PM 0.04 | 11:12AM 0.17 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - |
| Sunset | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | |  | | |  | |  |  | | | |
Rain (mm) | 2 | 5 | 4 | 2 | 1 | 2 | 2 | 3 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | - | 1 | 1 | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 |
| Feels °C (?) | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 24 | 24 | 25 | 24 | 25 | 26 | 25 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
- 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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