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Surf Forecasts:
Keaulanas surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Tuesday 16 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
25.8° C
(Which is slightly warmer than usual)How big are the waves at Keaulanas today?
The current surf forecast for Keaulanas at 11PM is: 1.3m 12s primary swell from a North direction and 0.8m 11s secondary swell from a West-northwest direction, 1.3m 6s secondary swell from a South direction (forecast issued at 07:00pm December 16). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 4.5ft (1.4m) | 12s |
| Evening (16 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Keaulanas. (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) (?) | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 563 | 336 | 493 | 577 | 745 | 503 | 980 | 980 | 965 | 725 | 633 | 550 | 763 | 1849 | 1647 | 1783 | 1730 | 1572 | 1474 | 1384 | 1361 | 1190 | 1170 | 1121 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross | cross- on | cross- on |
High Tide / height (m) | 2:41AM 0.70 | 1:45PM 0.24 | 3:14AM 0.72 | 2:26PM 0.23 | 3:48AM 0.74 | |||||||||||||||||||
Low Tide / height (m) | 6:49PM 0.06 | 10:19AM 0.19 | 7:22PM 0.05 | 10:53AM 0.17 | 7:57PM 0.03 | 11:27AM 0.16 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - |
| Sunset | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | |  | | |  | |  | |
Rain (mm) | 1 | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 3 | 3 | 1 | 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 (?) | 24 | 25 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 25 | 27 | 27 | 27 | 26 | 26 | 26 | 26 |
- 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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