Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Wednesday 17 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
25.4° C
(Which is slightly warmer than usual)


How big are the waves at Chinamans Hat/Mokolii today?

The current surf forecast for Chinamans Hat/Mokolii at 9AM is: 1.2m 13s primary swell from a North direction and 0.6m 13s secondary swell from a Northwest direction (forecast issued at 07:00am December 17). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (17 Dec)4ft (1.2m)13s
Afternoon (17 Dec)3.5ft (1.1m)13s
Evening (17 Dec)3.5ft (1.0m)13s

Table - waves today at Chinamans Hat/Mokolii. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
17
Thursday
18
Friday
19
Sat
20
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
3
3
2
2
3
2
2
3
3
4
4
4
4
4
4
4
4
3
3
3
3
4
4
4
Swell
Height Map
Wave Height (m) & direction (?)
1.3
N
1.2
N
1.1
N
1.1
N
1
N
1
N
1
N
1
N
1
NNW
1.4
NNW
1.4
NNW
1.8
NNW
1.9
NNW
1.9
NNW
1.9
NNW
1.9
NNW
1.8
NNW
1.7
NNW
1.7
NNW
1.7
NNW
1.8
N
1.9
N
1.9
N
2
N
Period(s) (?)131313131313121215141413131312121212121111111212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)586495407407331321301297411774743111011741104101998594483380576481994310451174
Wind
(km/h)
15
SSW
20
SSW
25
SSW
25
SSW
20
SSW
15
SSW
10
SSW
10
SW
10
SW
10
SSW
15
S
20
SSW
10
S
5
SW
10
S
5
SSW
5
SW
5
S
10
SSE
15
SSE
10
SSE
5
S
10
SSE
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffglassoffcross-
off
cross-
off
cross-
off
glasscross-
off
cross-
off
High Tide
/ height (m)
10:49AM
0.40
2:12AM
0.82
11:29AM
0.38
2:43AM
0.83
12:06PM
0.37
Low Tide
/ height (m)
8:43AM
0.34
6:27PM
-0.09
9:15AM
0.31
6:59PM
-0.11
9:49AM
0.30
7:33PM
-0.12
Wednesday
17
Thursday
18
Friday
19
Sat
20
Sunrise-7:01-------7:03-------7:03------
Sunset----5:52-------5:52-------5:52---
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
thunderstorm
clear
clear
part cloud
cloud
cloud
clear
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
Rain (mm)
1-11111--1--------------
Temp. °C242425262524232323232626262424232323252626252424
Feels °C (?)252524252526252525252726272727262625272628282727
  • 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

Latest 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.


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