Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas 48 hour detailed Surf Forecast

Issued: 1 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Keaulanas sea temperature is
27.4°C
0.4° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 3.5ft (1.1m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.4m), 12s period with SSW swell.
  • Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.4m), 12s period with SSW swell.

The current surf forecast for Keaulanas at 9AM is: 1.1m 10s primary swell from a South direction (forecast issued at 01:00am September 28). An open ocean swell of 0.9m 8s is not directed at the surf break, a second open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (28 Sep)3.5ft (1.1m)10s
Afternoon (28 Sep)4.5ft (1.4m)12s
Evening (28 Sep)4.5ft (1.4m)12s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Tue night. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Winds increasing (light winds from the E on Tue morning, fresh winds from the SSE by Wed morning).

Monday
28
Tuesday
29
Wednesday
30
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
0
1
2
1
2
2
3
3
3
2
1
1
1
1
0
0
0
0
0
0
1
0
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)
0.8
NNW
16
0.7
NNW
16
1.1
S
10
1.4
S
13
1.4
SSW
12
0.9
SSW
13
1.4
SSW
12
1.4
SSW
12
1.3
SSW
10
1.3
SSW
10
0.9
SW
16
0.8
SSW
16
0.9
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
15
1.8
S
7
1.3
W
11
1.2
W
11
1.7
S
7
0.7
SSW
15
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
291
220
240
633
550
227
575
530
360
302
386
330
447
326
322
322
318
302
302
411
351
248
188
186
Wind (km/h)
30
E
30
E
30
E
25
E
25
E
20
E
25
E
15
E
15
ESE
10
ESE
10
E
15
SSE
25
SE
25
SE
20
SE
20
SE
25
SSE
30
SSE
30
SSE
35
SSE
30
SSE
25
SSE
25
SSE
25
SSE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
High Tide
4:54AM0.65m
4:19PM0.39m
5:39AM0.67m
4:45PM0.33m
6:32AM0.67m
5:06PM0.27m
Low Tide
11:25AM0.20m
10:23PM0.04m
12:31PM0.22m
10:50PM0.04m
2:02PM0.24m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:21
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
2
4
4
3
1
2
2
2
Temp °C
25
25
26
27
28
27
26
25
25
25
25
27
27
27
26
26
25
25
26
26
27
26
26
26
Feels °C
23
23
24
25
27
27
26
26
26
26
26
28
26
26
26
26
24
24
25
24
26
25
26
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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