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Surf Forecasts:

Kailua Beach surf break

Kailua Beach surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Thursday 19 Mar 2026 HST
Forecast 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
24.4° 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 5AM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.7m and 7s. 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 3.5m 12s and forecast to arrive on Tuesday (Mar 24) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Sunday (Mar 22) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 20th Mar)3.5ft (1.0m) 10s
Best Surf 8PM (Sun 22nd Mar)4.5ft (1.3m) 11s
Most Powerful 8PM (Tue 24th Mar)11ft (3.5m) 12s

Table - best surf conditions forecast for Kailua Beach over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 37mm), heaviest during Fri night. Warm (max 25°C on Fri afternoon, min 23°C on Thu morning). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Sun morning. Warm (max 23°C on Sun afternoon, min 21°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the NE by Tue afternoon).

Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
1
1
2
2
0
0
1
2
3
0
0
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
N
1.2
N
1
N
1
N
1.3
N
1.4
N
1.3
N
1.4
N
1.6
NNE
1
N
1.1
N
1.7
N
2.1
NNE
2.2
NNE
2.5
NNE
3
NNE
3
NNE
3.5
NNE
3
NE
3
NE
2.4
NE
Period(s) (?)111110101211101110111110101112121211111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)40333220420044944933944949223727259290111212013249326302534194216691126
Wind
(km/h)
15
ESE
25
SSE
20
SSE
20
S
20
SSW
15
SSW
15
SSW
30
SSW
25
S
20
SSW
20
SSW
10
WNW
25
N
30
NNE
30
NNE
35
NE
35
NE
30
NE
25
NE
25
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
on		cross-
on		ononononononon
High Tide
/ height (m)
3:17PM
0.75
2:56AM
0.70
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
Low Tide
/ height (m)
8:55AM
0.12
9:13PM
0.26
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
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Sunrise6:35--6:35--6:33--6:33--6:31--6:31--6:30--
Sunset-6:40--6:40--6:42--6:42--6:42--6:43--6:43-
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
part cloud
clear
cloud
part cloud
clear
rain showers
rain showers
part cloud
part cloud
Rain (mm)
32522115431065-----11--
Temp. °C242423242524232323222323222222222222222222
Feels °C (?)252423242525252322212324191817171717181919
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Kailua Beach at:
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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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