Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 12 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Chinamans Hat/Mokolii surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chinamans Hat/Mokolii sea temperature is
25.1° C
(Which is normal for this time of year)

How big are the waves at Chinamans Hat/Mokolii today?

The current surf forecast for Chinamans Hat/Mokolii at 7PM is: 1.8m 6s primary swell from a East-northeast direction and 0.8m 10s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 12). An open ocean swell of 0.3m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 May)5.5ft (1.7m)6s
Afternoon (12 May)5.5ft (1.7m)6s
Evening (12 May)6ft (1.8m)6s

Table - waves today at Chinamans Hat/Mokolii. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 25°C on Tue afternoon, min 23°C on Tue night). Mainly fresh winds.

Tue
12
Wednesday
13
Thursday
14
Fri
15
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
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)
1.7
ENE
6
1.7
ENE
6
1.8
ENE
6
1.9
ENE
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
ENE
7
1.8
ENE
7
1.9
ENE
7
2
E
7
1.9
ENE
7
1.7
ENE
7
1.7
ENE
7
0.9
NW
15
0.9
NNW
15
1
NW
15
1.1
NW
14
1.1
NW
14
1
NW
13
0.9
NNW
13
1.6
E
8
Wave Graph
Metric surfscale
Energy kJ
227
219
237
263
267
276
267
276
276
268
268
342
382
362
301
310
322
382
418
469
437
352
304
308
Wind (km/h)
25
E
30
E
30
E
30
ENE
30
E
25
E
30
E
25
E
30
ENE
25
ENE
30
ENE
25
E
25
ENE
25
ENE
20
E
25
ENE
25
ENE
20
ENE
20
ENE
20
E
25
E
20
E
20
E
20
E
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
High Tide
12:06PM0.52m
10:59PM0.55m
12:44PM0.66m
11:24PM0.51m
1:25PM0.77m
11:51PM0.47m
Low Tide
5:41PM0.23m
6:02AM-0.06m
6:44PM0.24m
6:28AM-0.14m
7:44PM0.25m
6:58AM-0.20m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
1
1
1
Temp °C
25
25
24
23
23
23
23
23
24
24
24
24
23
23
23
24
24
25
24
24
23
24
23
24
23
22
21
20
21
21
20
21
21
22
22
22
21
22
22
23
23
25
23
24
22
23
23
24
Swell 1
Height (m)
Direction
Period (s)
0.6
NNW
11
0.8
NNW
10
0.8
NNW
10
0.7
NNW
10
0.7
NNW
10
0.7
NNW
10
0.5
NNW
10
0.5
NNW
9
0.5
NNW
9
0.4
NW
9
0.4
N
9
0.5
N
9
0.4
N
8
0.5
NW
16
0.6
NNW
16
0.7
NW
15
0.9
NW
15
0.9
NNW
15
1
NW
15
1.1
NW
14
1.1
NW
14
1
NW
13
0.9
NNW
13
0.9
NNW
13
Energy kJ
91
118
114
86
85
83
52
50
47
21
26
37
22
132
177
242
322
382
418
469
437
352
304
295
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
10
0.3
S
16
0.3
S
16
0.2
S
16
0.2
S
15
0.3
S
15
0.3
S
15
0.3
S
15
0.3
S
15
0.3
N
9
0.4
NW
9
0.3
NW
9
0.4
NW
17
0.4
N
8
0.4
N
8
0.5
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.7
E
8
0.6
E
8
0.3
N
8
Energy kJ
16
46
45
20
18
38
38
38
38
15
20
12
76
23
22
34
22
22
22
22
22
66
50
11
Swell 3
Height (m)
Direction
Period (s)
0.3
S
16
0.1
S
12
0.1
S
9
0.2
N
12
0.2
N
12
0.2
N
12
0.2
N
12
0.1
S
11
0.2
N
10
0.2
S
14
0.2
S
14
0.3
NW
18
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.2
NNW
9
0.3
NW
11
0.4
NW
11
0.2
S
12
0.3
NW
10
0.2
SSE
12
0.3
N
8
0.4
N
8
0.2
SSE
12
Energy kJ
46
3
2
12
12
11
10
2
8
16
15
50
12
12
12
7
19
30
11
15
14
12
21
13
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
6
1.7
ENE
6
1.8
ENE
6
1.9
ENE
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
E
6
1.8
ENE
7
1.8
ENE
7
1.9
ENE
7
2
E
7
1.9
ENE
7
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.6
ENE
7
1.5
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
1.6
E
8
Energy kJ
227
219
237
263
267
276
267
276
276
268
268
342
382
362
301
310
319
286
252
222
284
206
204
308
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
2
1
1
1
1
1
1
1
2
2
2
3
3
3
3
3
3
3
1
3
Distance (km)
28
41
38
37
37
37
37
37
37
38
37
37
37
28
28
28
28
28
28
28
28
28
25
28
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
1
2
2
1
1
1
1
1
1
1
2
2
2
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
3
2
2
2
2
1
1
1
4
4
4
4
3
3
3
3
4
4
4
4
3
Header Global
Rating
(10 max)
9
9
9
9
9
8
7
9
9
9
9
5
5
5
5
5
4
5
5
5
5
5
5
5
  • 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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