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Surf Forecasts:

Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Sunday 07 Sep 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
26.5° 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 Wednesday (Sep 10) at 2AM. The primary swell is predicted to be 1.8m and 10s period with a secondary swell of 0.5m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Chinamans Hat/Mokolii in the next 12 days are 2.5m 11s and forecast to arrive on Tuesday (Sep 09) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 13s period and expected on Friday (Sep 12) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 10th Sep)6ft (1.8m) 10s
Best Surf 2AM (Wed 10th Sep)6ft (1.8m) 10s
Most Powerful 5PM (Tue 9th Sep)8ft (2.5m) 11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 8mm), mostly falling on Mon night. Warm (max 28°C on Wed afternoon, min 25°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Wed night. Warm (max 27°C on Thu morning, min 25°C on Wed night). Wind will be generally light.

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
0
0
1
2
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
E
1.1
E
1.1
E
1.2
E
1.9
E
2.5
ENE
1.8
ENE
1.7
E
1.7
E
1.4
E
1.4
E
1.3
E
0.6
NNW
0.8
NNW
0.8
NNW
0.7
NNW
1.4
E
1.3
E
1.6
E
1.5
E
1.4
E
Period(s) (?)13131312121110988771513131266666
Wave
Graph
(?)Metric surfscale
Energy (?)32147143749910661463635508433312314321283353338288290232345298231
Wind
(km/h)
15
ESE
15
E
10
ENE
15
E
15
ENE
15
N
5
NNE
15
SE
15
ESE
15
ESE
15
ESE
20
ENE
15
E
20
E
20
E
20
E
20
E
25
ENE
25
E
25
E
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		cross-
on		cross-
on		glasscross-
off		crosscrosscrosscross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on
High Tide
/ height (m)
2:19AM
0.65
2:39PM
0.80
3:11AM
0.69
2:58PM
0.73
4:06AM
0.73
3:14PM
0.66
5:08AM
0.74
3:21PM
0.59
6:26AM
0.74
2:59PM
0.53
8:14AM
0.74
10:02AM
0.77
Low Tide
/ height (m)
8:55PM
0.12
8:33AM
0.08
9:22PM
0.07
9:18AM
0.17
9:50PM
0.02
10:09AM
0.27
10:22PM
-0.00
11:09AM
0.37
10:57PM
-0.01
12:44PM
0.45
11:40PM
0.02
12:42AM
0.05
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
Sunrise-6:16--6:16--6:16--6:16--6:16--6:16--6:16-
Sunset--6:40--6:39--6:38--6:37--6:37--6:36--6:35
clear
part cloud
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
Rain (mm)
---31-1-31-----------
Temp. °C262626252627252728262727262627262627252626
Feels °C (?)292727272728272829272829272628272728242526
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Oahu

  1. weather stationWind Update Continuing clean conditions at Chinamans Hat/Mokolii (calm at BUOY-HRRH1 9 km from Chinamans Hat/Mokolii). 0.7m 13s groundswell from the E with a 0.4m 10s swell from the NNW. 2 swells combining to make bigger set waves.

    1 hour 41 minutes ago Chinamans Hat/Mokolii
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<
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1 h 41 min ago

2 km/h
S
Clean
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chinamans Hat/Mokolii surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Chinamans Hat/Mokolii at:
surf-forecast.com

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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