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Surf Forecasts:
Keaulanas surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Tuesday 09 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaulanas sea temperature is
26.0° C
(Which is slightly warmer than usual)How big are the waves at Keaulanas today?
The current surf forecast for Keaulanas at 1AM is: 2.2m 16s primary swell from a Northwest direction (forecast issued at 07:00pm December 09). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 8ft (2.4m) | 15s |
| Afternoon (10 Dec) | 7ft (2.2m) | 14s |
| Evening (10 Dec) | 7ft (2.1m) | 14s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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) (?) | 14 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1036 | 963 | 2445 | 2761 | 2627 | 2658 | 2392 | 2114 | 1949 | 1587 | 1346 | 1164 | 1230 | 1211 | 1703 | 1411 | 1177 | 988 | 808 | 794 | 736 | 485 | 389 | 297 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | glass | on | on | on | on | on | on | on | cross- on | cross- on | cross- off | off | off | off | off | off | cross- off | off | off | glass | cross |
High Tide / height (m) | 8:32PM 0.25 | 8:01AM 0.61 | 10:22PM 0.31 | 8:43AM 0.53 | 11:41PM 0.40 | 9:25AM 0.46 | ||||||||||||||||||
Low Tide / height (m) | 3:15PM 0.12 | 12:16AM 0.20 | 3:53PM 0.12 | 1:41AM 0.29 | 4:26PM 0.11 | 3:56AM 0.34 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - |
| Sunset | 5:50 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - |
 |  |  |  | |  | | | | | | | |  | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 24 |
| Feels °C (?) | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 25 | 24 | 22 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 26 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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