Keaulanas Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas 48 hour detailed Surf Forecast

Issued: 7 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Keaulanas sea temperature is
27.1°C
0.1° 

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


How big are the waves at Keaulanas today (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3ft (0.9m), 13s period with SSW swell.

The current surf forecast for Keaulanas at 10AM is: 0.9m 14s primary swell from a South-southwest direction and 1.2m 10s secondary swell from a Northwest direction (forecast issued at 07:00am September 09). The wind direction is predicted to be glassy and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (09 Sep)3ft (0.9m)14s
Afternoon (09 Sep)3ft (0.9m)14s
Evening (09 Sep)3ft (0.9m)13s

Table - waves today at Keaulanas. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Warm (max 28°C on Wed afternoon, min 24°C on Thu night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
3
3
3
3
2
2
2
2
2
2
2
1
1
1
2
2
2
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.7
SSW
13
0.7
SSW
13
0.7
SSW
13
0.6
SSW
16
0.6
SSW
18
0.6
SSW
18
0.6
SSW
18
0.6
SSW
17
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
15
0.7
SW
15
0.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
351
346
336
322
257
249
246
176
176
173
181
207
211
207
188
268
264
264
258
236
229
229
226
Wind (km/h)
5
S
5
SSE
0
SSW
5
NW
5
N
5
NE
10
ESE
10
ENE
10
ENE
15
E
15
E
15
E
20
E
20
ENE
15
ENE
15
ENE
15
ENE
15
ENE
10
E
10
ENE
10
ENE
10
ENE
15
E
Wind State
glassy
glassy
glassy
glassy
cross-off
glassy
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
cross-off
High Tide
2:34AM0.38m
2:53PM0.68m
3:15AM0.44m
3:25PM0.64m
3:55AM0.50m
3:54PM0.58m
Low Tide
8:03AM0.08m
9:35PM0.09m
8:55AM0.10m
9:55PM0.08m
9:44AM0.13m
10:16PM0.07m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:39
6:38
 mm
1
Temp °C
25
26
27
28
28
27
27
26
26
26
27
28
27
26
26
25
24
25
26
27
27
26
25
Feels °C
29
30
31
32
32
31
31
29
29
28
29
29
27
26
27
26
24
26
27
28
28
27
26
  • 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
How to use the Wavefinder 

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 Keaulanas 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.


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