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Surf Forecasts:

Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 pm Friday 13 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 15) at 8PM. The primary swell is predicted to be 0.9m 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 16 days are 1.9m 11s and forecast to arrive on Friday (Mar 20) 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 1.7m 7s period and expected on Friday (Mar 13) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 15th Mar)3ft (0.9m) 11s
Best Surf11AM (Tue 17th Mar)4.5ft (1.3m) 12s
Most Powerful 8PM (Fri 20th Mar)6ft (1.9m) 11s

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

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

Short Range Forecast Heavy rain (total 69mm), heaviest during Fri afternoon. Warm (max 25°C on Sun morning, min 22°C on Fri afternoon). Winds decreasing (strong winds from the SW on Sat night, light winds from the SW by Sun night).

Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Tue afternoon. Warm (max 25°C on Wed afternoon, min 20°C on Tue morning). Wind will be generally light.

Fri
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
1
1
0
0
1
1
1
0
2
3
3
3
3
3
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
N
0.6
E
0.7
N
0.8
N
0.8
N
0.7
N
0.9
NW
0.8
NW
0.6
NW
0.6
NW
0.8
NW
1.3
NNW
1.4
NNW
1.5
NNW
1.4
NNW
1.6
N
1.7
N
1.6
N
1.5
N
1.4
N
1.5
N
Period(s) (?)12813121211111110101212121211121212111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)43491561871721251761348080190473589559439723792666553467546
Wind
(km/h)
35
SSW
30
SW
30
SW
30
SW
35
SW
35
SW
25
SW
10
SW
10
WSW
10
NW
5
SW
5
WSW
0
W
5
SW
10
S
10
SSW
10
NNW
15
NE
25
ENE
20
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		offoffoffoffcross-
off		offcross-
off		cross-
on		glassglassglassoffcross-
off		offcross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
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
2:55PM
0.64
2:32AM
0.60
Low Tide
/ height (m)
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
9:06PM
0.08
9:20AM
-0.11
Fri
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise--6:41--6:39--6:39--6:37--6:37--6:35--6:35
Sunset6:39--6:39--6:39--6:40--6:40--6:40--6:42--
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
cloud
cloud
light rain
light rain
light rain
mod rain
mod rain
cloud
light rain
thunderstorm
light rain
light rain
mod rain
light rain
Rain (mm)
24272311-2--15596-112373
Temp. °C232324242425252324242221212124252322222222
Feels °C (?)202122222323232426262424252426272522212021
  • 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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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 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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