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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 Friday 17 Oct 2025 HST
How big are the waves at Kahana Bay today?
The current surf forecast for Kahana Bay at 11PM is: 1.1m 14s primary swell from a Northwest direction and 0.4m 10s secondary swell from a Northeast direction, 1.7m 7s secondary swell from a East-northeast direction (forecast issued at 07:00pm October 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | - | - |
| Afternoon (17 Oct) | 4ft (1.2m) | 15s |
| Evening (17 Oct) | 4ft (1.2m) | 14s |
Table - waves today at Kahana Bay. (Swell directed towards the surf break)
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 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 | 13 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 13 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 561 | 545 | 418 | 357 | 317 | 348 | 383 | 394 | 379 | 363 | 432 | 405 | 417 | 336 | 336 | 336 | 327 | 302 | 302 | 285 | 285 | 247 | 227 | 247 |
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- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:44AM 0.60 | 12:20PM 0.70 | 1:17AM 0.68 | 12:32PM 0.66 | 1:48AM 0.73 | 12:45PM 0.62 | ||||||||||||||||||
Low Tide / height (m) | 6:53PM 0.13 | 6:32AM 0.20 | 7:03PM 0.08 | 7:11AM 0.23 | 7:16PM 0.03 | 7:49AM 0.27 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - |
| Sunset | 6:05 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | 2 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 |
| Feels °C (?) | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 25 | 26 | 26 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
Continuing clean conditions at Kahana Bay (calm at BUOY-HRRH1 16 km from Kahana Bay). 1.4m 7s swell from the ENE with a 0.8m 15s groundswell from the NNW and a 0.6m 12s groundswell from the NW as well as a 0.4m 10s swell from the NE. 4 swells combining so expect closeout sets.
16 km away, 1 h 48 min ago
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