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Kailua Beach Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kailua Beach surfForecast / HAW – Oahu / USA
16 Day Weather and Surf, issued 7 am Friday 20 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Kailua Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kailua Beach sea temperature is
24.3° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Kailua Beach this week:
The surf forecast for Kailua Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Mar 20) at 11PM. The primary swell is predicted to be 1.5m and 11s period with a secondary swell of 0.4m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Kailua Beach in the next 16 days are 3.0m 9s and forecast to arrive on Thursday (Mar 26) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Friday (Mar 20) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 20th Mar) | 5ft (1.5m) 11s |
| Best Surf | 2PM (Sat 21st Mar) | 6.5ft (2.0m) 12s |
| Most Powerful | 2AM (Thu 26th Mar) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Kailua Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 44mm), heaviest during Sat afternoon. Warm (max 26°C on Fri afternoon, min 23°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sun night). | Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Mon night. Warm (max 23°C on Mon morning, min 22°C on Mon night). Winds increasing (calm on Mon morning, fresh winds from the ENE by Tue night). | ||||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 10 | 12 | 11 | 10 | 11 | 11 | 10 | 11 | 9 | 10 | 9 | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 10 | 9 | 9 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 200 | 446 | 498 | 609 | 1252 | 783 | 245 | 279 | 197 | 183 | 372 | 383 | 887 | 919 | 1093 | 1235 | 1168 | 1426 | 1308 | 984 | 885 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | off | off | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 4:00PM 0.79 | 3:15AM 0.65 | 4:48PM 0.79 | 3:31AM 0.59 | 5:44PM 0.77 | 3:34AM 0.54 | 6:59PM 0.74 | 8:48PM 0.73 | 10:30PM 0.75 | 11:32PM 0.78 | |||||||||||
Low Tide / height (m) | 9:18AM 0.08 | 9:58PM 0.33 | 9:45AM 0.06 | 10:48PM 0.40 | 10:14AM 0.07 | 11:55PM 0.47 | 10:48AM 0.09 | 11:31AM 0.13 | 12:38PM 0.18 | 2:46PM 0.22 | |||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||
| Sunrise | 6:35 | - | - | 6:33 | - | - | 6:33 | - | - | 6:31 | - | - | 6:31 | - | - | 6:30 | - | - | 6:28 | - | - |
| Sunset | - | 6:40 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - |
 | |  | |  | | | |  | | | | | | |  | | | | | | |
Rain (mm) | 2 | 2 | 9 | 2 | 7 | 9 | 2 | 5 | 6 | 1 | 4 | 12 | 1 | 1 | 2 | - | - | 1 | 1 | - | 1 |
| Temp. °C | 25 | 26 | 24 | 24 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 22 |
| Feels °C (?) | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 25 | 24 | 24 | 22 | 22 | 19 | 18 | 18 | 18 | 19 | 20 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Kailua Beach 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 Kailua Beach Surf forecast
The above surf forecast table for Kailua Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kailua Beach can be found by selecting the local surf guide option on the grey menu. Our Kailua Beach 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 (Kailua Beach) 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 Kailua Beach 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.
Kailua Beach is 0 km (0 miles) from Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.
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