Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Wednesday 13 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
25.2° 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 7AM is: 1.8m 7s primary swell from a East direction and 0.6m 10s secondary swell from a North-northwest direction (forecast issued at 01:00am May 13). An open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (13 May)6ft (1.8m)7s
Afternoon (13 May)6ft (1.9m)6s
Evening (13 May)6ft (1.9m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Fri afternoon. Warm (max 25°C on Thu afternoon, min 22°C on Fri night). Mainly fresh winds.

Wednesday
13
Thursday
14
Friday
15
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
1
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
E
6
1.8
E
7
1.8
E
7
1.8
E
7
1.9
ENE
6
2
ENE
7
1.9
ENE
7
1.9
ENE
7
1.8
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
1
NW
13
0.9
NNW
13
1.6
ENE
8
1.5
E
8
1.6
ENE
8
1.5
E
8
1.6
E
8
Wave Graph
Metric surfscale
Energy kJ
276
284
284
284
280
330
342
352
327
293
293
322
382
418
469
437
352
342
295
280
272
266
279
324
Wind (km/h)
30
ENE
30
E
30
E
30
E
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
20
E
25
ENE
20
ENE
20
ENE
20
ENE
15
ENE
15
E
15
E
15
E
15
ESE
15
ESE
10
E
10
E
20
ESE
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
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
12:44PM0.66m
11:24PM0.51m
1:25PM0.77m
11:51PM0.47m
2:07PM0.85m
Low Tide
6:02AM-0.06m
6:44PM0.24m
6:28AM-0.14m
7:44PM0.25m
6:58AM-0.20m
8:43PM0.26m
part cloud
clear
clear
clear
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
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>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:01
7:01
1
2
3
2
1
3
2
6
1
1
Temp °C
23
23
23
24
24
24
23
23
23
23
23
24
25
24
24
23
23
23
24
24
25
24
23
22
21
20
20
21
22
21
21
21
21
22
21
23
25
24
24
23
23
23
25
24
26
25
22
22
Swell 1
Height (m)
Direction
Period (s)
0.7
NNW
10
0.6
NNW
10
0.5
NNW
9
0.5
NNW
9
0.4
NNW
9
0.4
N
9
0.5
N
9
0.4
NNW
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
1
NW
13
0.9
NNW
13
0.9
NW
12
0.9
NW
12
0.7
NW
12
0.7
NW
12
0.6
NW
12
Energy kJ
83
72
50
46
32
26
36
23
132
177
242
322
382
418
469
437
352
342
295
227
212
147
144
112
Swell 2
Height (m)
Direction
Period (s)
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
0.4
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
0.3
N
8
0.7
NNE
7
0.3
N
8
0.3
N
8
0.3
N
8
0.4
N
8
0.5
N
7
Energy kJ
38
38
38
38
15
20
12
76
22
22
22
22
34
22
22
22
21
12
46
12
12
12
20
26
Swell 3
Height (m)
Direction
Period (s)
0.2
N
12
0.1
S
11
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
0.2
NNW
11
0.2
S
12
0.3
NW
10
0.2
S
12
0.3
NE
8
0.2
S
12
0.3
N
8
0.2
SSE
11
0.2
SSE
11
0.2
SSE
11
0.2
SSE
11
0.2
NNW
15
Energy kJ
11
2
2
8
16
15
50
12
12
12
7
19
11
11
15
11
11
11
12
13
12
12
12
21
Wind waves
Height (m)
Direction
Period (s)
1.8
E
6
1.8
E
7
1.8
E
7
1.8
E
7
1.9
ENE
6
2
ENE
7
1.9
ENE
7
1.9
ENE
7
1.8
ENE
7
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.3
E
8
1.6
ENE
8
1.5
E
8
1.6
ENE
8
1.5
E
8
1.6
E
8
Energy kJ
276
284
284
284
280
330
342
352
327
293
293
270
270
254
268
300
266
280
208
280
272
266
279
324
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
3
3
3
3
3
1
1
1
1
1
2
1
2
2
Distance (km)
37
37
37
37
38
40
38
37
35
28
28
35
28
28
28
25
24
24
24
24
28
24
28
28
Best forecast wave conditions in Oahu
Rating
(10 max)
1
1
1
1
2
1
1
2
2
2
3
3
3
3
3
3
3
3
3
2
3
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
3
1
1
2
1
4
4
4
4
3
3
3
3
4
4
4
4
3
2
3
2
2
2
Header Global
Rating
(10 max)
7
7
9
9
9
9
9
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
  • 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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