Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas Surf Forecast and Surf Report

Issued: 7 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Keaulanas sea temperature is
27.2°C
0.1° 

Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Keaulanas surf forecast from 4 Oct 2026:

  • Best quality surf: Wednesday 7 Oct, 2AM (local time) - 3.5ft (1.0m), 16s period, NNW swell with cross-offshore winds.
  • Most powerful swell: Sunday 11 Oct, 5AM (local time) - 3.5ft (1.1m), 18s period, S swell with 749 kJ wave energy.
  • Next surfable swell (1★+): Sunday 4 Oct, 11PM (local time) - 2.5ft (0.8m), 18s period with SSW swell.

Best Forecast Surf Conditions for Keaulanas this week:

The surf forecast for Keaulanas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 04) at 11PM. The primary swell is predicted to be 0.8m and 18s period with a secondary swell of 0.6m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Keaulanas in the next 16 days are 1.1m 18s and forecast to arrive on Sunday (Oct 11) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Sunday (Oct 04) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 4th Oct)2.5ft (0.8m) 18s
Best Surf 2AM (Wed 7th Oct)3.5ft (1.0m) 16s
Most Powerful 5AM (Sun 11th Oct)3.5ft (1.1m) 18s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Tue afternoon. Warm (max 27°C on Sun morning, min 24°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun afternoon, calm by Tue afternoon).

Days 4-6 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Warm (max 27°C on Fri morning, min 24°C on Wed night). Wind will be generally light.

Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
2
3
3
3
3
3
4
2
1
3
1
1
3
1
2
3
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SSW
20
0.6
S
19
0.7
SSW
18
0.8
SSW
17
0.8
SSW
17
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
1
NNW
16
1.3
NNW
15
1.2
NNW
14
1.2
NW
13
1.1
NW
12
1
NW
12
0.8
SSW
18
1
S
17
0.9
SSW
16
1.5
NNW
11
1.5
NNW
11
0.9
S
19
1
S
18
Wave Graph
Metric surfscale
Energy kJ
129
262
333
399
372
452
429
392
539
656
486
486
330
273
408
603
437
499
521
598
614
Wind (km/h)
25
ENE
30
ENE
20
ENE
20
ENE
25
NE
10
ENE
5
E
5
SE
10
ESE
15
S
15
SW
10
SW
15
S
10
SSW
5
SSE
15
SSE
10
SSW
0
SE
0
WSW
10
N
5
NE
Wind State
off
off
off
off
off
off
glassy
glassy
cross-off
cross-on
on
on
cross-on
on
glassy
cross-on
cross-on
glassy
glassy
cross-off
off
High Tide
11:21AM0.64m
00:23AM0.26m
12:16PM0.64m
1:11AM0.34m
1:01PM0.62m
1:51AM0.42m
1:40PM0.59m
2:28AM0.50m
2:14PM0.54m
3:03AM0.57m
2:46PM0.49m
3:37AM0.63m
3:15PM0.43m
4:11AM0.66m
Low Tide
7:15PM0.13m
4:49AM0.17m
7:35PM0.11m
6:13AM0.17m
7:55PM0.09m
7:18AM0.16m
8:15PM0.08m
8:16AM0.16m
8:35PM0.06m
9:08AM0.16m
8:54PM0.06m
9:58AM0.17m
9:14PM0.05m
clear
clear
part cloud
part cloud
clear
clear
clear
rain showers
rain showers
clear
clear
clear
clear
clear
thunderstorm
rain showers
thunderstorm
thunderstorm
clear
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
—
—
6:24
—
—
6:24
—
—
6:24
—
—
6:24
—
—
6:26
—
—
6:26
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:16
—
—
6:15
—
—
6:15
—
—
6:15
—
—
6:14
—
—
6:13
—
—
6:12
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 mm
—
—
—
—
—
—
—
1
3
—
—
—
—
—
5
1
3
2
—
2
—
Temp °C
27
27
25
26
27
25
26
26
25
26
26
25
26
26
26
27
27
26
26
26
26
Feels °C
25
25
23
26
26
25
28
29
27
27
26
27
27
27
29
28
29
29
30
29
29
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Keaulanas Surf forecast

The above surf forecast table for Keaulanas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Keaulanas can be found by selecting the local surf guide option on the grey menu. Our Keaulanas 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 (Keaulanas) 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 Keaulanas 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.

Keaulanas is 7 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.

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