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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Ewa Beach Park surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Thursday 11 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Ewa Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ewa Beach Park sea temperature is
26.0° C
(Which is slightly warmer than usual)How big are the waves at Ewa Beach Park today?
The current surf forecast for Ewa Beach Park at 1PM is: 0.5m 14s primary swell from a South-southwest direction (forecast issued at 07:00am December 11). An open ocean swell of 1.3m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 1.5ft (0.5m) | 8s |
| Afternoon (11 Dec) | 1.5ft (0.5m) | 14s |
| Evening (11 Dec) | 1.5ft (0.5m) | 8s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 14 | 14 | 14 | 8 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 8 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 29 | 120 | 116 | 104 | 29 | 59 | 59 | 99 | 99 | 67 | 65 | 50 | 50 | 20 | 29 | 48 | 48 | 28 | 28 | 27 | 29 | 43 | 55 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- off | off | cross | glass | cross- off | cross- off | cross- off | cross- off | glass | on | glass | cross | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 8:42AM 0.56 | 11:25PM 0.42 | 9:27AM 0.49 | 12:19AM 0.50 | 10:16AM 0.42 | 12:59AM 0.58 | ||||||||||||||||||
Low Tide / height (m) | 4:19PM 0.12 | 3:50AM 0.35 | 4:51PM 0.11 | 6:02AM 0.35 | 5:21PM 0.10 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - |
 |  |  | |  |  | | | |  | | | | |  | | | | | |  |  | | | |
Rain (mm) | 2 | 3 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | 1 | 2 | 2 |
| Temp. °C | 23 | 23 | 22 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 24 | 26 | 22 | 22 | 24 | 23 | 23 | 22 | 22 | 22 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 23 | 24 | 24 | 25 |
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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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