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Surf Forecasts:
Keaulanas surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Saturday 13 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 12AM is: 0.9m 10s primary swell from a North-northwest direction and 0.4m 17s secondary swell from a Northwest direction, 1.3m 6s secondary swell from a West-southwest direction (forecast issued at 07:00pm December 13). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | - | - |
| Afternoon (14 Dec) | 4ft (1.2m) | 10s |
| Evening (14 Dec) | 3.5ft (1.0m) | 10s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 16 | 15 | 11 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 314 | 212 | 167 | 129 | 136 | 181 | 350 | 590 | 1697 | 1648 | 1479 | 1305 | 1112 | 835 | 1550 | 1509 | 1468 | 1427 | 1245 | 1048 | 888 | 875 | 734 | 591 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:06AM 0.56 | 11:05AM 0.33 | 1:38AM 0.62 | 12:04PM 0.29 | 2:09AM 0.66 | 12:59PM 0.26 | ||||||||||||||||||
Low Tide / height (m) | 5:21PM 0.09 | 7:56AM 0.30 | 5:49PM 0.08 | 8:59AM 0.26 | 6:18PM 0.07 | 9:43AM 0.22 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - |
| Sunset | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - |
 |  | | | |  | | | | | | | | |  |  | |  |  | | | | | | |
Rain (mm) | - | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | 2 | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 |
| Feels °C (?) | 24 | 24 | 24 | 24 | 24 | 26 | 27 | 27 | 26 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 24 | 25 | 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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