Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Sunday 31 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
24.8° C
(Which is slightly cooler than normal)

Chinamans Hat/Mokolii surf forecast from 31 May 2026:

  • Most powerful swell: Friday 5 Jun, 11AM (local time) - 7ft (2.2m), 8s period, ENE swell with 585 kJ wave energy.

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 2.2m 8s and forecast to arrive on Friday (Jun 05) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 19s period and expected on Tuesday (Jun 02) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Fri 5th Jun)7ft (2.2m) 8s

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

Moderate rain (total 10mm), heaviest on Mon night. Warm (max 24°C on Sun morning, min 23°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 24°C on Wed morning, min 23°C on Wed night). Mainly fresh winds.

Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.1
ENE
8
0.9
ENE
7
0.9
ENE
7
0.5
N
10
1.1
ENE
7
1.3
ENE
6
1.4
ENE
6
1.6
ENE
6
1.6
E
6
1.9
E
7
1.7
E
7
1.8
E
7
1.7
ENE
7
2
E
7
2.2
ENE
8
2.2
ENE
8
1.9
ENE
8
2.1
ENE
8
2
ENE
8
2.1
ENE
8
1.9
ENE
8
Wave Graph
Metric surfscale
Energy kJ
143
86
93
49
136
109
131
164
206
341
278
302
277
423
514
585
486
575
523
547
427
Wind (km/h)
10
ENE
15
ENE
10
NE
15
E
15
ENE
20
ENE
20
ENE
20
ENE
25
ESE
30
E
25
E
30
E
30
E
30
E
30
ENE
30
ENE
25
ENE
30
ENE
25
ENE
30
ENE
25
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:17PM0.78m
00:35AM0.35m
3:53PM0.77m
1:03AM0.34m
4:32PM0.75m
1:25AM0.32m
5:13PM0.74m
5:53PM0.72m
6:30PM0.69m
7:05PM0.66m
Low Tide
10:22PM0.29m
8:07AM-0.12m
11:11PM0.28m
8:40AM-0.11m
00:10AM0.28m
9:14AM-0.08m
9:47AM-0.05m
10:21AM0.01m
10:57AM0.08m
3:31AM0.18m
part cloud
clear
rain showers
part cloud
rain showers
rain showers
rain showers
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:08
7:09
7:09
7:10
7:10
7:10
2
1
3
2
2
2
Temp °C
24
24
24
24
24
24
24
24
24
24
24
23
24
24
23
24
24
23
24
24
23
25
25
26
25
25
25
24
24
25
23
23
22
22
22
21
22
22
20
22
21
20
Swell 1
Height (m)
Direction
Period (s)
0.9
NE
7
0.5
E
8
0.5
E
8
0.6
E
8
0.5
N
9
0.5
S
16
0.5
S
16
0.8
NNW
11
0.7
NNW
10
0.6
S
16
0.6
S
16
0.6
N
12
0.9
N
11
1
N
12
1.1
N
12
1
N
12
0.9
N
11
0.7
N
11
0.5
N
10
0.4
N
10
0.3
N
10
Energy kJ
75
29
32
46
45
135
132
164
104
190
183
98
202
266
374
280
202
112
49
31
17
Swell 2
Height (m)
Direction
Period (s)
0.7
ESE
8
0.5
N
11
0.5
N
10
0.5
N
10
0.4
SSW
18
0.4
NNW
9
0.5
N
12
0.7
S
19
0.5
S
18
0.6
NNW
9
0.6
NNW
9
0.5
S
16
0.5
S
15
0.4
SSW
14
0.4
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
13
0.2
S
13
0.2
S
13
0.2
S
24
Energy kJ
62
61
53
49
103
27
76
347
158
68
65
124
112
70
68
38
36
34
13
13
43
Swell 3
Height (m)
Direction
Period (s)
0.4
NNW
9
0.5
N
8
0.4
SSW
14
0.4
SSW
18
0.3
SSW
13
0.4
ESE
8
0.4
SSW
20
0.1
S
9
0.4
SSW
14
0.1
SE
10
0.2
SSE
7
0.1
SE
8
0.1
S
9
0.4
SE
9
0.1
S
9
0.2
NNW
9
0.2
NNW
9
0.1
NW
9
0.1
NW
10
0.1
S
26
0.2
S
12
Energy kJ
28
31
69
107
35
21
127
2
70
4
5
3
2
19
2
7
8
3
4
13
12
Wind waves
Height (m)
Direction
Period (s)
1.1
ENE
8
0.9
ENE
7
0.9
ENE
7
1
ENE
5
1.1
ENE
7
1.3
ENE
6
1.4
ENE
6
1.6
ENE
6
1.6
E
6
1.9
E
7
1.7
E
7
1.8
E
7
1.7
ENE
7
2
E
7
2.2
ENE
8
2.2
ENE
8
1.9
ENE
8
2.1
ENE
8
2
ENE
8
2.1
ENE
8
1.9
ENE
8
Energy kJ
143
86
93
44
136
109
131
159
206
341
278
302
277
423
514
585
486
575
523
547
427
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
3
1
4
1
1
1
1
2
2
2
2
2
1
1
1
1
Distance (km)
24
24
24
25
35
25
28
35
28
37
37
37
37
38
37
37
40
37
37
40
29
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
3
3
3
4
1
4
1
1
3
3
3
2
3
2
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
4
4
3
4
1
4
4
1
4
4
4
2
5
2
2
4
1
1
4
Header Global
Rating
(10 max)
5
5
4
5
5
4
4
5
5
5
4
5
5
6
9
9
7
9
9
9
9
  • 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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