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Kahana Bay Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kahana Bay surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 1 pm Friday 17 Oct 2025 HST
Best Forecast Surf Conditions for Kahana Bay this week:
The most powerful waves expected at Kahana Bay in the next 12 days are 1.2m 15s and forecast to arrive on Thursday (Oct 23) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 16s period and expected on Saturday (Oct 18) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Thu 23rd Oct) | 4ft (1.2m) 15s |
Table - best surf conditions forecast for Kahana Bay over the next 12 days.
Short Range Forecast Light rain (total 3mm), mostly falling on Fri night. Warm (max 26°C on Fri afternoon, min 25°C on Fri night). Mainly fresh winds. | Days 3-6 Weather Summary Some drizzle, heaviest during Tue night. Warm (max 26°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 19 | 16 | 16 | 14 | 7 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 561 | 357 | 394 | 379 | 417 | 428 | 353 | 294 | 247 | 270 | 286 | 243 | 230 | 170 | 170 | 149 | 380 | 566 | 580 | 437 | 338 | ||
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 | ||
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 | 2:19AM 0.77 | 12:58PM 0.58 | 2:51AM 0.80 | 1:12PM 0.54 | 3:24AM 0.80 | 1:25PM 0.50 | 4:00AM 0.77 | 1:32PM 0.46 | |||||||||
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 | 7:32PM -0.00 | 8:28AM 0.30 | 7:51PM -0.02 | 9:10AM 0.32 | 8:13PM -0.03 | 9:55AM 0.34 | 8:36PM -0.02 | 10:49AM 0.37 | |||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||
| Sunrise | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | ||
| Sunset | 6:05 | - | - | 6:04 | - | - | 6:02 | - | - | 6:02 | - | - | 6:01 | - | - | 6:00 | - | - | 6:00 | - | - | ||
 |  |  | |  |  | |  | | | | | | | | | | | | | | |||
Rain (mm) | - | 2 | 1 | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | 1 | - | - | ||
| Temp. °C | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | ||
| Feels °C (?) | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | ||
- Map Icons:
Break
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
Cross-off wind 3 km from Waikiki has become light (light winds from the ENE at Saint Louis Heights wx). Waves should be turning clean at Waikiki. 0.7m 11s groundswell from the SE with a 0.3m 13s groundswell from the S. 2 swells combining to make bigger set waves.
16 km away, 1 h 40 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kahana Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Kahana Bay Surf forecast
The above surf forecast table for Kahana Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kahana Bay can be found by selecting the local surf guide option on the grey menu. Our Kahana Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kahana Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kahana Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kahana Bay is 17 km (11 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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