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Surf Forecasts:

Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Thursday 12 Mar 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
24.3° 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 Sunday (Mar 15) at 11PM. The primary swell is predicted to be 0.6m and 11s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Chinamans Hat/Mokolii in the next 12 days are 1.8m 13s and forecast to arrive on Wednesday (Mar 18) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Friday (Mar 13) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 15th Mar)2ft (0.6m) 11s
Best Surf 2AM (Wed 18th Mar)6ft (1.8m) 13s
Most Powerful 2PM (Wed 18th Mar)6ft (1.8m) 13s

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

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

Short Range Forecast Heavy rain (total 293mm), heaviest during Fri night. Warm (max 24°C on Sat night, min 21°C on Thu afternoon). Winds increasing (light winds from the SSE on Thu night, strong winds from the S by Fri morning).

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Tue afternoon. Warm (max 25°C on Sun afternoon, min 21°C on Tue morning). Winds decreasing (fresh winds from the SW on Sun afternoon, calm by Mon night).

Thu
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
1
1
0
0
1
1
1
2
1
2
4
4
2
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
ENE
0.7
ENE
0.4
N
0.4
N
0.6
E
0.8
N
0.8
N
0.8
N
0.7
N
0.6
N
0.6
NW
0.6
NW
0.4
NNW
0.7
NNW
1.5
NNW
1.8
NNW
1.8
NNW
1.8
NNW
1.8
NNW
1.8
NNW
1.7
N
Period(s) (?)881212812121211111010141314131314131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8162474446199187175123858761781548741137105711221127992827
Wind
(km/h)
20
SSE
30
S
45
S
35
S
40
SW
35
SSW
25
SW
30
SSW
30
SW
25
SW
10
SSW
10
SW
5
SW
5
SW
15
NNE
10
N
5
NE
5
NNE
10
N
15
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffoffoffglassononglassglasscross-
on		onon
High Tide
/ height (m)
12:20AM
0.63
10:48AM
0.22
12:43AM
0.67
11:35AM
0.28
1:03AM
0.70
12:12PM
0.35
1:21AM
0.72
12:49PM
0.43
1:38AM
0.72
1:29PM
0.51
1:56AM
0.69
2:11PM
0.58
2:14AM
0.65
Low Tide
/ height (m)
3:45PM
0.06
8:40AM
0.18
5:02PM
0.02
7:56AM
0.17
5:48PM
-0.03
7:50AM
0.15
6:27PM
-0.05
7:57AM
0.11
7:04PM
-0.05
8:12AM
0.05
7:42PM
-0.03
8:31AM
-0.00
8:23PM
0.02
8:54AM
-0.06
Thu
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise--6:41--6:41--6:39--6:39--6:37--6:37--6:35
Sunset6:38--6:39--6:39--6:39--6:40--6:40--6:40--
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
cloud
Rain (mm)
12119401002253361022232342143-
Temp. °C222222222323232424252323232222222121222121
Feels °C (?)212218191920202322232325262523232224232119
  • 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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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:
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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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