Surf Break

Lat Long: 21.38° N 158.15° W

Keaulanas 48 hour detailed Surf Forecast

Issued: 7 pm 28 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) - 4.5ft (1.3m), 10s 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 3AM is: 0.7m 17s primary swell from a Southwest direction and 1.2m 10s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 28). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (29 Sep)2.5ft (0.8m)12s
Afternoon (29 Sep)4.5ft (1.3m)10s
Evening (29 Sep)2.5ft (0.8m)16s

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


Short Range Forecast

Moderate rain (total 19mm), heaviest on Tue night. Warm (max 27°C on Tue morning, min 25°C on Mon night). Wind will be generally light.

Mon
28
Tuesday
29
Wednesday
30
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
2
3
3
2
2
2
1
1
0
0
1
0
0
0
0
0
0
0
Swell
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
12
1.4
SSW
12
1.3
SSW
12
1.3
SSW
10
0.7
SSW
17
0.8
SW
12
1.3
SSW
11
1.3
SSW
10
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.7
SW
16
0.8
SSW
15
1.2
W
11
1.1
W
10
0.7
SSW
15
0.7
SSW
15
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
224
540
469
353
255
173
346
326
326
322
322
318
245
313
326
247
192
188
186
Wind (km/h)
25
E
20
E
15
E
10
E
10
E
10
ESE
10
SSE
20
SSE
20
SE
20
SE
20
SE
20
SE
25
SSE
30
SE
25
SSE
25
SSE
25
SSE
20
SSE
20
SSE
Wind State
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
High Tide
4:19PM0.39m
5:39AM0.67m
4:45PM0.33m
6:32AM0.67m
5:06PM0.27m
Low Tide
10:23PM0.04m
12:31PM0.22m
10:50PM0.04m
2:02PM0.24m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:21
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 mm
—
—
—
—
—
—
—
—
—
—
1
1
2
2
1
2
1
2
1
Temp °C
27
26
26
25
25
25
27
27
27
27
26
26
26
26
26
27
27
26
26
Feels °C
26
27
28
27
27
26
28
27
26
27
26
27
26
25
25
27
28
27
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
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