Surf Forecasts:
Kailua Beach surf forecast from 27 Sep 2026:
- Best quality surf: Tuesday 29 Sep, 11PM (local time) - 4.5ft (1.3m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Sunday 27 Sep, 5AM (local time) - 13ft (4.0m), 9s period, E swell with 2,584 kJ wave energy.
- Next surfable swell (1★+): Tuesday 29 Sep, 11PM (local time) - 4.5ft (1.3m), 8s period with ENE 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 Tuesday (Sep 29) at 11PM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.7m and 13s. 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 4.0m 9s and forecast to arrive on Sunday (Sep 27) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Wednesday (Sep 30) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 29th Sep) | 4.5ft (1.3m) 8s |
| Best Surf | 11PM (Tue 29th Sep) | 4.5ft (1.3m) 8s |
| Most Powerful | 5AM (Sun 27th Sep) | 13ft (4.0m) 9s |
Table - best surf conditions forecast for Kailua Beach over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 27°C on Tue afternoon, min 25°C on Sun morning). Winds decreasing (strong winds from the E on Sun morning, light winds from the SSE by Tue night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 26°C on Wed morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | |||||||||||||||
AM | 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 9 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 13 | E 8 | E 6 | E 6 | E 7 | E 6 | E 6 | N 9 | E 7 | E 7 | N 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2423 | 1755 | 1071 | 792 | 614 | 497 | 341 | 301 | 218 | 194 | 165 | 163 | 130 | 97 | 109 | 94 | 86 | 79 | 74 | 86 | 82 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | glassy | glassy |
High Tide | 2:28PM0.67m | 3:37AM0.79m | 2:47PM0.62m | 4:22AM0.80m | 3:03PM0.57m | 5:15AM0.78m | 3:09PM0.53m | 6:24AM0.76m | 8:00AM0.74m | 9:42AM0.75m | |||||||||||
Low Tide | 8:54AM0.28m | 8:49PM0.08m | 9:38AM0.34m | 9:15PM0.06m | 10:27AM0.40m | 9:45PM0.06m | 11:30AM0.46m | 10:18PM0.08m | 11:00PM0.12m | 00:01AM0.17m | 1:55AM0.22m | ||||||||||
 | |  |  | | | | |  | |  |  | | |  | | | | |  | | |
 | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 6:22 | — | — | 6:21 | — | — | 6:20 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | — | — | — | — | — | 1 | — | — | — |
Temp °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 20 | 21 | 23 | 23 | 25 | 25 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | NNW 16 | NNW 14 | NNW 14 | NNW 13 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 14 | E 13 | E 13 | NNW 10 | E 6 | N 9 | E 7 | N 9 | E 7 | E 7 |
| kJ | 63 | 58 | 226 | 180 | 121 | 109 | 341 | 301 | 218 | 191 | 142 | 99 | 84 | 52 | 56 | 94 | 81 | 62 | 57 | 86 | 61 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | NNW 18 | SSE 9 | S 8 | SSE 13 | E 15 | E 14 | E 14 | E 12 | E 14 | E 13 | E 10 | SSE 5 | NW 10 | E 12 | NNW 9 | SSW 13 | N 9 | SSW 12 | N 9 | N 11 |
| kJ | 45 | 124 | 28 | 20 | 34 | 67 | 91 | 175 | 148 | 194 | 165 | 35 | 5 | 26 | 44 | 68 | 34 | 79 | 31 | 78 | 82 |
Swell 3 Height (m) Direction Period (s) | NW 13 | SSW 14 | SSW 14 | SSW 14 | S 7 | SSE 7 | NW 12 | S 6 | NW 11 | NW 11 | NNW 10 | SSE 6 | E 10 | E 10 | SSW 14 | E 11 | E 11 | SSW 12 | NNE 11 | SSW 11 | SSW 12 |
| kJ | 28 | 41 | 38 | 36 | 10 | 15 | 69 | 22 | 30 | 30 | 20 | 11 | 17 | 16 | 40 | 23 | 22 | 30 | 25 | 25 | 27 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | S 6 | S 6 | E 8 | E 6 | E 6 | E 7 | — | E 6 | — | E 7 | — | — |
| kJ | 2423 | 1755 | 1071 | 792 | 614 | 497 | — | — | — | 20 | 27 | 163 | 130 | 97 | 109 | — | 86 | — | 74 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 152 | 152 | 144 | 123 | 54 | 41 | 16 | 16 | 11 | 11 | 6 | 18 | 17 | 42 | 41 | 17 | 16 | 41 | 17 | 16 | 17 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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