Surf Forecasts:
Kailua Beach surf forecast from 30 Sep 2026:
- Best quality surf: Thursday 1 Oct, 5AM (local time) - 4ft (1.2m), 14s period, E swell with cross-offshore winds.
- Most powerful swell: Thursday 1 Oct, 5AM (local time) - 4ft (1.2m), 14s period, E swell with 537 kJ wave energy.
- Next surfable swell (1★+): Thursday 1 Oct, 2AM (local time) - 3.5ft (1.0m), 8s period with E swell.
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 Thursday (Oct 01) at 2AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.5m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kailua Beach in the next 16 days are 1.2m 14s and forecast to arrive on Thursday (Oct 01) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 6s period and expected on Wednesday (Sep 30) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 1st Oct) | 3.5ft (1.0m) 8s |
| Best Surf | 5AM (Thu 1st Oct) | 4ft (1.2m) 14s |
| Most Powerful | 5AM (Thu 1st Oct) | 4ft (1.2m) 14s |
Table - best surf conditions forecast for Kailua Beach over the next 16 days.
Short Range ForecastModerate rain (total 19mm), heaviest on Wed night. Warm (max 27°C on Wed afternoon, min 25°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Fri afternoon, min 24°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 13 | E 8 | E 6 | E 8 | E 8 | ENE 8 | N 9 | E 6 | N 9 | N 9 | N 8 | ENE 8 | ENE 8 | ENE 7 | NNW 12 | NNW 12 | NNW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 333 | 233 | 194 | 165 | 121 | 115 | 135 | 117 | 96 | 110 | 116 | 78 | 74 | 51 | 85 | 45 | 42 | 127 | 125 | 190 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on |
High Tide | 3:03PM0.57m | 5:15AM0.78m | 3:09PM0.53m | 6:24AM0.76m | 8:00AM0.74m | 9:42AM0.75m | 10:51AM0.77m | 10:36PM0.37m | 11:37AM0.79m | 11:47PM0.46m | ||||||||||
Low Tide | 9:45PM0.06m | 11:30AM0.46m | 10:18PM0.08m | 11:00PM0.12m | 00:01AM0.17m | 1:55AM0.22m | 6:51PM0.32m | 3:54AM0.24m | 6:45PM0.28m | |||||||||||
 |  |  | |  | |  | |  | |  | | | | | |  | |  | | |
 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:20 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | 1 | 2 | 3 | 8 | 2 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | 3 | — |
Temp °C | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 |
Feels °C | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 26 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 8 | E 8 | E 8 | E 8 | E 13 | E 8 | NNW 10 | NNW 9 | ENE 7 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | ENE 7 | NNW 12 | NNW 12 | NNW 11 |
| kJ | 129 | 233 | 193 | 142 | 121 | 84 | 135 | 56 | 90 | 89 | 109 | 78 | 74 | 51 | 50 | 33 | 42 | 127 | 125 | 190 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | E 12 | E 14 | E 13 | E 14 | E 9 | E 13 | E 12 | E 11 | N 9 | SSW 12 | SSW 13 | SSW 11 | E 8 | NW 12 | NW 11 | NNE 8 | E 7 | E 13 | E 12 |
| kJ | 55 | 148 | 194 | 165 | 99 | 28 | 52 | 25 | 23 | 110 | 30 | 31 | 25 | 34 | 37 | 31 | 20 | 24 | 56 | 47 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | NW 11 | NW 11 | NNW 10 | E 10 | NNW 10 | NNW 10 | SSW 14 | SSW 14 | SSW 13 | E 11 | E 11 | E 11 | SSW 12 | S 12 | S 12 | NW 10 | NNE 7 | E 7 | SSW 16 |
| kJ | 8 | 30 | 30 | 20 | 34 | 20 | 18 | 40 | 36 | 34 | 10 | 9 | 9 | 28 | 25 | 24 | 25 | 18 | 15 | 86 |
Wind waves Height (m) Direction Period (s) | E 8 | S 6 | S 6 | S 6 | S 6 | E 6 | — | E 8 | ENE 8 | — | E 6 | E 6 | ENE 6 | ENE 4 | ENE 8 | ENE 8 | — | — | N 7 | NNE 6 |
| kJ | 333 | 19 | 11 | 25 | 16 | 115 | — | 117 | 96 | — | 116 | 69 | 43 | 20 | 85 | 45 | — | — | 89 | 67 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 16 | 11 | 42 | 43 | 11 | 11 | 11 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 16 | 16 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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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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