Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas 48 hour detailed Surf Forecast

Issued: 7 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Keaulanas sea temperature is
27.2°C
0.2° 

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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.8m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
  • Evening surf: Evening surf (29 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.

The current surf forecast for Keaulanas at 1PM is: 0.8m 16s primary swell from a South-southwest direction and 1.1m 10s secondary swell from a Southwest direction (forecast issued at 07:00am September 29). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (29 Sep)2.5ft (0.8m)12s
Afternoon (29 Sep)2.5ft (0.8m)16s
Evening (29 Sep)2.5ft (0.8m)16s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Wed afternoon. Warm (max 28°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light.

Tuesday
29
Wednesday
30
Thursday
1
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
2
2
2
0
0
0
1
1
1
0
0
0
0
0
1
2
2
1
0
1
1
1
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)
0.7
SSW
17
0.8
SW
12
1.3
SSW
11
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
1.1
WSW
12
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.7
SSW
15
0.7
SSW
15
0.7
SSW
15
0.7
SSW
14
0.8
SSW
14
0.5
SW
14
0.5
SW
14
0.5
SW
13
0.4
SSW
14
0.5
S
16
0.6
W
8
0.5
NNW
10
Wave Graph
Metric surfscale
Energy kJ
255
172
346
326
326
322
322
318
302
283
275
188
188
188
186
233
102
100
88
73
124
46
55
Wind (km/h)
10
E
10
ESE
15
SE
15
SSE
15
SE
20
SE
20
SE
20
SE
20
SE
20
SE
25
SE
20
SSE
20
SSE
20
SE
20
SE
15
SE
15
ESE
15
ESE
15
SSE
20
SE
15
SE
15
ESE
15
ESE
Wind State
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
High Tide
5:39AM0.67m
4:45PM0.33m
6:32AM0.67m
5:06PM0.27m
7:35AM0.66m
Low Tide
12:31PM0.22m
10:50PM0.04m
2:02PM0.24m
11:22PM0.05m
clear
clear
clear
clear
clear
part cloud
clear
part cloud
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
rain showers
clear
thunderstorm
thunderstorm
rain showers
rain showers
<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
—
—
—
—
—
—
—
6:21
—
—
—
—
—
—
—
6:20
—
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 mm
—
—
—
—
—
—
—
—
1
—
1
3
1
2
2
2
2
1
—
1
1
1
2
Temp °C
25
26
27
28
28
27
26
26
25
26
27
27
26
26
26
25
25
26
27
27
27
26
25
Feels °C
27
27
28
29
28
28
27
27
26
26
26
28
26
27
27
27
27
28
29
28
29
28
27
  • 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 

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