Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 am Thursday 04 Dec 2025 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
25.8° C
(Which is normal for this time of year)


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

The surf forecast for Chinamans Hat/Mokolii over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 04) at 8AM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.7m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Chinamans Hat/Mokolii in the next 12 days are 1.7m 16s and forecast to arrive on Friday (Dec 05) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Dec 11) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 4th Dec)3.5ft (1.1m) 12s
Best Surf 5AM (Wed 10th Dec)4.5ft (1.4m) 15s
Most Powerful 2PM (Fri 5th Dec)5.5ft (1.7m) 16s

Table - best surf conditions forecast for Chinamans Hat/Mokolii over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 26°C on Thu afternoon, min 23°C on Thu morning). Winds increasing (light winds from the SSE on Thu morning, fresh winds from the E by Thu night).

Days 3-6 Weather Summary Some drizzle, heaviest during Sun night. Warm (max 25°C on Sun morning, min 22°C on Tue night). Wind will be generally light.

Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
0
2
0
1
3
2
1
1
1
0
0
0
0
1
2
3
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
0.9
NW
1.3
NW
1.5
NW
1.7
NNW
1.7
NNW
1.4
NNW
1.5
NNW
1.4
NNW
1.3
NNW
1.2
NNW
1
NNW
0.9
NNW
1.2
E
0.6
NW
0.7
NW
0.8
NW
0.9
NNW
1.4
NW
1.4
NW
1.4
NW
1.3
NW
Period(s) (?)14141416151313131212131281614141716141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)27666780413731423680817653510413339207168157206231432993742752612
Wind
(km/h)
10
ESE
5
ENE
30
E
20
ESE
20
E
20
E
15
E
15
E
15
E
15
E
15
E
20
E
20
E
20
E
15
E
20
E
10
ESE
5
ESE
10
SSE
0
E
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscrosscross-
on
cross-
on
crosscrosscrosscrosscross-
on
crosscross-
on
crosscrosscrosscrosscrosscross-
off
glassoff
High Tide
/ height (m)
12:03PM
0.43
3:10AM
1.00
12:38PM
0.40
3:59AM
0.98
1:13PM
0.38
4:49AM
0.94
1:44PM
0.35
5:38AM
0.88
6:26AM
0.81
4:05PM
0.28
7:09AM
0.74
7:50PM
0.29
Low Tide
/ height (m)
9:24AM
0.34
7:34PM
-0.23
10:27AM
0.33
8:17PM
-0.21
11:35AM
0.32
9:02PM
-0.17
12:53PM
0.31
9:47PM
-0.10
10:33PM
-0.02
3:25PM
0.25
11:20PM
0.09
3:42PM
0.21
12:15AM
0.20
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Sunrise6:54--6:54--6:54--6:56--6:56--6:56--6:58--
Sunset-5:47--5:47--5:47--5:47--5:49--5:49--5:49-
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
rain showers
Rain (mm)
-----------1--------1
Temp. °C252624252524242524252523242524252524252623
Feels °C (?)262724242423242524252524222323242525262626
  • 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 12 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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