Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Sunday 17 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 11AM is: 1.4m 8s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a North-northwest direction (forecast issued at 07:00am May 17). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (17 May)4.5ft (1.4m)8s
Afternoon (17 May)4.5ft (1.4m)8s
Evening (17 May)5.5ft (1.7m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Tue afternoon. Warm (max 26°C on Sun morning, min 23°C on Mon night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wed
20
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)
1
1
1
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.5
ENE
8
1.9
ENE
8
1.9
ENE
8
1.9
ENE
8
1.8
E
8
1.7
E
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.7
ENE
8
1.2
ENE
7
1.5
E
8
1.5
E
8
1.6
ENE
8
1.6
ENE
8
1.8
ENE
6
2
ENE
8
2
ENE
8
Wave Graph
Metric surfscale
Energy kJ
291
291
256
256
256
299
460
473
473
418
383
437
392
383
395
336
127
265
265
295
341
273
472
497
Wind (km/h)
10
E
5
ENE
10
E
15
ENE
15
E
20
ESE
20
E
25
E
25
E
25
E
20
E
25
E
25
E
20
E
20
E
20
E
20
E
20
E
25
E
20
E
25
E
25
E
25
ENE
25
ENE
cross
cross-on
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:42PM0.91m
1:20AM0.36m
4:35PM0.89m
1:44AM0.33m
5:31PM0.85m
Low Tide
8:12AM-0.25m
10:51PM0.28m
8:54AM-0.23m
00:12AM0.28m
9:40AM-0.18m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:02
7:04
7:04
1
Temp °C
24
24
26
26
25
24
24
24
24
24
24
24
24
24
24
24
23
24
24
25
24
24
23
23
27
27
28
27
26
25
24
23
24
24
24
23
24
24
24
24
23
24
23
25
23
23
22
22
Swell 1
Height (m)
Direction
Period (s)
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
0.4
NNW
10
0.3
NNW
10
0.3
NNW
9
0.3
NNW
9
0.3
SSW
14
0.2
SSW
14
0.3
SSW
15
0.3
SSW
16
0.3
NW
12
0.4
NW
12
0.4
NW
11
1.2
ENE
7
0.4
NW
11
0.4
NNW
12
0.4
NNW
12
0.4
NNW
11
0.4
NNW
11
0.4
NNW
11
0.4
NNW
11
Energy kJ
291
291
256
256
256
38
18
17
16
41
20
43
48
23
36
33
127
31
54
54
47
46
47
45
Swell 2
Height (m)
Direction
Period (s)
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.3
SSW
15
0.3
SSW
15
0.2
SSW
15
0.2
SSW
14
0.2
NNW
9
0.2
NNW
13
0.2
NNW
13
0.3
NW
12
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.4
NW
11
0.3
SSW
14
0.3
SSW
14
0.2
SSW
14
0.3
SSW
17
0.3
SSW
15
0.3
SSW
15
0.3
NNW
12
Energy kJ
42
42
41
39
38
44
43
21
20
8
18
17
24
18
18
18
31
39
40
20
59
42
44
30
Swell 3
Height (m)
Direction
Period (s)
0.4
SSE
7
0.4
SSE
7
0.3
SSE
6
0.3
SSE
6
0.3
SSE
7
0.3
SSE
7
0.2
NNW
16
0.2
NNW
15
0.2
NNW
15
0.2
NNW
14
0.2
NNW
9
0.2
SSW
19
0.2
SSE
10
0.2
SSE
10
0.1
SE
10
0.2
SSW
16
0.2
SSW
14
0.2
SSW
18
0.2
SSW
18
0.2
SSE
10
0.2
SSE
10
0.2
NNW
13
0.2
NNW
13
0.3
SSW
15
Energy kJ
20
18
8
7
10
10
25
22
21
20
8
37
10
10
4
26
18
30
30
9
9
18
17
42
Wind waves
Height (m)
Direction
Period (s)
1.5
ENE
8
1.9
ENE
8
1.9
ENE
8
1.9
ENE
8
1.8
E
8
1.7
E
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.7
ENE
8
1
ESE
8
1.5
E
8
1.5
E
8
1.6
ENE
8
1.6
ENE
8
1.8
ENE
6
2
ENE
8
2
ENE
8
Energy kJ
299
460
473
473
418
383
437
392
383
395
336
127
265
265
295
341
273
472
497
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
2
2
2
1
3
2
3
2
2
2
1
1
1
1
2
1
1
1
2
1
Distance (km)
24
24
24
24
25
25
25
28
27
25
35
35
35
35
29
29
29
28
38
28
37
37
35
28
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
2
2
1
3
2
3
2
2
2
1
1
1
1
2
1
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
5
7
5
4
5
4
4
2
4
4
4
4
4
3
3
1
4
4
5
4
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
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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