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Surf Forecasts:
Keaulanas surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am 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 11AM is: 1.5m 10s primary swell from a North-northwest direction and 0.3m 12s secondary swell from a South-southwest direction, 0.9m 4s secondary swell from a South-southwest direction (forecast issued at 07:00am December 13). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 5ft (1.5m) | 10s |
| Afternoon (13 Dec) | 4ft (1.2m) | 10s |
| Evening (13 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 | Tue 16 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 16 | 9 | 11 | 14 | 14 | 13 | 13 | 13 | 13 | 15 | 13 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 530 | 432 | 450 | 385 | 314 | 212 | 167 | 131 | 125 | 313 | 560 | 590 | 1570 | 1648 | 1479 | 1308 | 1129 | 760 | 681 | 1672 | 1604 | 1427 | 1263 | 1064 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross | cross- on | cross | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:11AM 0.39 | 1:06AM 0.56 | 11:05AM 0.33 | 1:38AM 0.62 | 12:04PM 0.29 | |||||||||||||||||||
Low Tide / height (m) | 6:16AM 0.34 | 5:21PM 0.09 | 7:56AM 0.30 | 5:49PM 0.08 | 8:59AM 0.26 | 6:18PM 0.07 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - |
 |  |  | | |  | | | |  | | | | | |  |  | | | |  | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | 2 | 3 | 1 | - | - | - | - |
| Temp. °C | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 |
| Feels °C (?) | 24 | 22 | 23 | 23 | 24 | 25 | 24 | 24 | 25 | 26 | 27 | 26 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 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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