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Kahana Bay Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kahana Bay surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Wednesday 21 Jan 2026 HSTForecast update in hr min s Forecast update imminent
Kahana Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahana Bay sea temperature is
24.5° C
(Which is normal for this time of year)How big are the waves at Kahana Bay today?
The current surf forecast for Kahana Bay at 11PM is: 1.0m 14s primary swell from a Northwest direction and 0.6m 7s secondary swell from a East direction, 0.9m 5s secondary swell from a Northeast direction (forecast issued at 07:00pm January 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jan) | - | - |
| Afternoon (21 Jan) | 3.5ft (1.1m) | 15s |
| Evening (21 Jan) | 3.5ft (1.0m) | 14s |
Table - waves today at Kahana Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| 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 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 466 | 395 | 395 | 336 | 361 | 557 | 810 | 792 | 769 | 689 | 627 | 607 | 554 | 563 | 680 | 669 | 658 | 527 | 449 | 341 | 251 | 247 | 204 | 138 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:27PM 0.40 | 4:32AM 0.76 | 4:26PM 0.40 | 4:48AM 0.69 | 5:39PM 0.42 | 4:59AM 0.63 | ||||||||||||||||||
Low Tide / height (m) | 9:44PM -0.02 | 11:38AM 0.12 | 10:19PM 0.09 | 12:09PM 0.08 | 10:59PM 0.20 | 12:45PM 0.03 | ||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - |
| Sunset | 6:13 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - |
 |  | |  | | |  | | | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 2 |
| Temp. °C | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 |
| Feels °C (?) | 21 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 21 | 20 | 20 | 23 | 23 | 23 | 23 | 22 | 21 | 22 | 23 | 23 | 22 |
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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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