Chuns Reef surf break

Chuns Reef surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Monday 11 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Chuns Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chuns Reef sea temperature is
25.3° C
(Which is slightly warmer than usual)

How big are the waves at Chuns Reef today?

The current surf forecast for Chuns Reef at 10AM is: 1.3m 11s primary swell from a North-northwest direction (forecast issued at 07:00am May 11). An open ocean swell of 0.1m 18s is not directed at the surf break, a second open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (11 May)4.5ft (1.3m)11s
Afternoon (11 May)3.5ft (1.0m)11s
Evening (11 May)3ft (0.9m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Mon afternoon, min 23°C on Mon morning). Mainly fresh winds.

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
2 AM
Rating
(10 max)
2
2
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
NNW
12
1.3
NNW
11
1.2
NNW
11
1
NW
11
0.9
NW
11
0.9
NW
11
1.7
ENE
6
1.7
ENE
6
1.7
ENE
6
1.7
ENE
6
0.9
NNW
11
1.7
ENE
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
E
7
1.8
E
7
1.8
E
7
1.8
E
7
1.9
E
7
2
E
7
2
E
7
1.9
E
7
1.9
E
7
Wave Graph
Metric surfscale
Energy kJ
569
423
340
229
194
194
216
213
227
212
200
230
259
267
276
289
289
297
297
335
371
404
387
387
Wind (km/h)
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
25
E
25
E
25
E
30
ENE
30
E
30
E
25
E
25
E
25
E
25
E
25
ENE
30
ENE
30
ENE
30
E
25
E
25
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:54AM0.28m
11:05PM0.33m
12:32PM0.36m
11:50PM0.29m
1:10PM0.45m
00:35AM0.25m
Low Tide
4:19AM-0.02m
4:13PM0.12m
4:43AM-0.04m
5:27PM0.10m
5:09AM-0.06m
6:33PM0.07m
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:01
7:01
7:02
Temp °C
23
23
24
25
24
23
23
23
23
24
24
25
24
23
23
23
23
23
24
24
24
23
23
23
22
22
22
24
22
21
21
21
21
21
21
22
21
21
21
21
21
21
22
21
22
21
21
21
Swell 1
Height (m)
Direction
Period (s)
1.5
NNW
12
1.3
NNW
11
1.2
NNW
11
1
NW
11
0.9
NW
11
0.9
NW
11
0.8
NW
11
0.8
NW
11
0.7
NW
11
0.6
NNW
11
0.9
NNW
11
0.9
NNW
10
0.9
NNW
10
0.9
NNW
10
0.8
NNW
10
0.8
NNW
10
0.8
NNW
10
0.8
NNW
9
0.7
NNW
9
0.6
NNW
9
0.5
NW
9
0.4
NW
9
0.6
NW
17
0.7
NW
16
Energy kJ
569
423
340
229
194
194
137
137
110
97
161
146
157
154
122
120
117
98
73
54
40
28
224
271
Swell 2
Height (m)
Direction
Period (s)
0.1
S
11
0.1
S
10
0.1
S
18
0.1
SW
17
0.5
E
8
0.1
S
17
0.2
N
13
0.4
NNW
13
0.5
N
12
0.7
NW
10
0.6
NW
10
0.5
NW
10
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
SSW
15
0.3
N
9
0.4
N
9
0.4
N
9
0.5
N
8
0.4
NW
9
Energy kJ
2
2
6
12
33
6
14
54
75
106
64
48
25
25
25
25
25
24
21
15
25
25
35
27
Swell 3
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
18
0.1
S
10
0.1
S
10
0.1
SW
17
0.1
N
14
0.2
S
17
0.1
SW
18
0.1
SW
15
0.2
S
16
0.1
SW
16
0.2
SSW
16
0.1
S
16
0.2
N
12
0.2
N
12
0.2
N
12
0.1
S
15
0.1
S
15
0.1
N
10
0.2
SSW
15
0.3
NW
18
0.4
NW
18
0.4
NW
9
0.4
N
8
Energy kJ
7
7
2
2
12
4
23
12
9
20
10
25
5
12
12
11
4
4
2
21
50
80
28
22
Wind waves
Height (m)
Direction
Period (s)
0.8
E
8
0.9
E
8
1
E
6
1.3
ENE
6
1.3
NE
6
1.6
NE
6
1.7
ENE
6
1.7
ENE
6
1.7
ENE
6
1.7
ENE
6
1.6
E
6
1.7
ENE
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
E
7
1.8
E
7
1.8
E
7
1.8
E
7
1.9
E
7
2
E
7
2
E
7
1.9
E
7
1.9
E
7
Energy kJ
82
99
62
120
132
188
216
213
227
212
200
230
259
267
276
289
289
297
297
335
371
404
387
387
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
3
2
1
1
1
2
2
1
2
1
1
1
2
1
1
1
1
1
2
1
1
Distance (km)
19
19
19
19
22
165
165
1
19
1
19
19
19
19
19
19
19
19
19
19
19
165
22
19
Best forecast wave conditions in Oahu
Rating
(10 max)
3
2
2
3
2
2
2
2
1
2
1
1
1
2
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
2
2
3
3
3
3
3
2
1
1
3
4
2
3
3
1
1
2
2
4
Header Global
Rating
(10 max)
5
4
5
9
5
5
9
5
9
9
8
9
9
8
6
8
7
6
6
9
9
5
9
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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