Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am 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)

Best Forecast Surf Conditions for Chinamans Hat/Mokolii this week:

The most powerful waves expected at Chinamans Hat/Mokolii in the next 16 days are 1.1m 14s and forecast to arrive on Thursday (May 14) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 16s period and expected on Tuesday (May 12) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Thu 14th May)3.5ft (1.1m) 14s

Table - best surf conditions forecast for Chinamans Hat/Mokolii over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed afternoon. Warm (max 25°C on Tue afternoon, min 23°C on Tue night). Mainly fresh winds.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri night. Warm (max 25°C on Fri morning, min 23°C on Fri night). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
1
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)
1.8
ENE
6
1.9
ENE
6
1.9
E
7
1.8
E
7
1.9
ENE
7
1.9
ENE
7
0.9
NW
15
1
NW
15
1
NW
13
1.9
E
8
1.9
E
8
1.9
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.6
ENE
8
1.8
ENE
8
1.6
ENE
8
1.8
ENE
8
1.7
ENE
8
Wave Graph
Metric surfscale
Energy kJ
253
263
321
293
322
373
322
418
365
408
419
449
414
414
404
380
333
437
359
404
364
Wind (km/h)
25
E
30
E
30
E
30
ENE
30
ENE
25
ENE
20
ENE
20
ENE
25
ESE
25
E
25
E
15
E
20
E
20
E
20
ESE
15
E
20
E
25
E
25
E
25
ENE
25
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross-on
High Tide
12:06PM0.52m
10:59PM0.55m
12:44PM0.66m
11:24PM0.51m
1:25PM0.77m
11:51PM0.47m
2:07PM0.85m
00:20AM0.43m
2:53PM0.90m
00:50AM0.39m
3:42PM0.91m
1:20AM0.36m
4:35PM0.89m
1:44AM0.33m
Low Tide
5:41PM0.23m
6:02AM-0.06m
6:44PM0.24m
6:28AM-0.14m
7:44PM0.25m
6:58AM-0.20m
8:43PM0.26m
7:33AM-0.24m
9:44PM0.27m
8:12AM-0.25m
10:51PM0.28m
8:54AM-0.23m
00:12AM0.28m
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
5:52
5:52
5:52
5:52
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
7:02
7:02
7:02
1
2
1
1
2
6
2
1
Temp °C
24
25
23
24
24
23
24
24
24
25
25
24
24
25
24
25
25
24
24
24
24
22
23
20
22
22
21
23
23
23
24
24
23
24
25
25
27
27
24
24
23
23
Swell 1
Height (m)
Direction
Period (s)
0.6
NNW
11
0.8
NNW
10
0.7
NNW
10
0.5
NNW
9
0.4
NW
9
0.5
NW
16
0.9
NW
15
1
NW
15
1
NW
13
0.9
NW
13
0.7
NW
12
0.5
NW
11
0.5
NW
11
0.4
NNW
11
1.8
ENE
8
0.4
NNW
10
0.4
NNW
10
0.3
NNW
9
0.2
NNW
9
0.4
NW
15
0.4
NNW
13
Energy kJ
91
114
83
47
20
132
322
418
352
230
147
61
59
47
404
41
38
17
8
54
62
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
10
0.3
S
16
0.3
S
15
0.3
S
15
0.3
N
9
0.4
N
8
0.4
N
8
0.4
N
8
0.3
N
8
0.3
N
8
0.3
NNE
8
0.3
NNW
15
0.2
NNW
13
0.2
SSW
16
0.4
NNW
10
0.3
SSW
15
0.3
SSE
7
0.2
SSW
15
0.2
SSW
14
0.3
SSW
16
0.2
SSW
14
Energy kJ
16
45
38
38
15
22
22
22
12
12
12
42
17
26
43
44
9
21
20
48
18
Swell 3
Height (m)
Direction
Period (s)
0.3
S
16
0.1
S
9
0.2
N
12
0.2
N
10
0.2
S
14
0.3
NW
9
0.3
NW
11
0.1
SW
18
0.2
S
12
0.2
SSE
11
0.2
SSE
11
0.2
SSE
11
0.2
SSE
10
0.2
SSE
10
0.2
SSE
11
0.2
SSE
11
0.2
SSW
15
0.2
SSE
6
0.2
SSW
19
0.2
NNW
9
0.2
S
16
Energy kJ
46
2
11
8
15
12
19
12
11
13
12
11
11
10
13
12
22
4
37
8
21
Wind waves
Height (m)
Direction
Period (s)
1.8
ENE
6
1.9
ENE
6
1.9
E
7
1.8
E
7
1.9
ENE
7
1.9
ENE
7
1.6
ENE
7
1.6
ENE
7
1.8
ENE
7
1.9
E
8
1.9
E
8
1.9
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.6
ENE
8
1.8
ENE
8
1.6
ENE
8
1.8
ENE
8
1.7
ENE
8
Energy kJ
253
263
321
293
322
373
284
261
365
408
419
449
414
414
380
333
437
359
404
364
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
2
3
3
3
2
2
1
1
1
1
1
2
2
2
2
1
Distance (km)
37
38
37
37
40
35
28
28
28
28
31
24
28
26
24
24
35
35
35
38
28
Best forecast wave conditions in Oahu
Rating
(10 max)
2
1
1
1
1
2
3
3
3
3
2
1
1
2
1
1
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
1
2
1
2
4
3
3
3
3
2
2
1
2
3
1
4
7
5
4
4
Header Global
Rating
(10 max)
9
9
6
8
9
5
5
5
5
5
5
4
6
5
5
4
4
7
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)
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Information about the Chinamans Hat/Mokolii Surf forecast

The above surf forecast table for Chinamans Hat/Mokolii provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chinamans Hat/Mokolii can be found by selecting the local surf guide option on the grey menu. Our Chinamans Hat/Mokolii surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Chinamans Hat/Mokolii) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Chinamans Hat/Mokolii may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Chinamans Hat/Mokolii is 11 km (7 miles) from Kane'ohe. If you plan a vacation in Oahu, look for hotels and other accommodation in Kane'ohe. Kane'ohe has rooms for a wide range of budgets as well as car hire and transport links.

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