Chuns Reef surf break

Chuns Reef surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Wednesday 07 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Chuns Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chuns Reef sea temperature is
25.3° C
(Which is slightly warmer than usual)
Nearby Cam: 4km away, Pipeline Cam powered by EXPLORE.org


Best Forecast Surf Conditions for Chuns Reef this week:

The surf forecast for Chuns Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 08) at 2AM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 0.8m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Chuns Reef in the next 12 days are 4.5m 17s and forecast to arrive on Monday (Jan 12) 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 1.9m 7s period and expected on Thursday (Jan 15) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 8th Jan)3.5ft (1.0m) 14s
Best Surf11AM (Sat 10th Jan)10ft (3.0m) 15s
Most Powerful 2PM (Mon 12th Jan)15ft (4.5m) 17s

Table - best surf conditions forecast for Chuns Reef over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Thu afternoon, min 22°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sun night. Warm (max 25°C on Sun afternoon, min 20°C on Mon night). Wind will be generally light.

Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wed
14
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
3
1
2
2
2
3
!
!
!
5
3
3
!
0
!
!
!
!
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1
NW
1.1
NW
0.7
NW
0.7
NW
0.9
NW
0.7
NNW
0.8
NNW
3
NNW
3
NNW
3
NNW
2.5
NNW
2.5
NNW
2.2
NNW
4
NW
4
NW
3.5
NW
3.5
NNW
3.5
NNW
3
NW
2.3
NW
1.9
NW
Period(s) (?)141313121211181514141615141716151413131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)357386172152232111418389930522977337829201886100038928550851533978284216761043
Wind
(km/h)
5
SE
0
WNW
5
NW
5
NE
5
NE
5
NNE
10
E
5
ESE
0
ENE
10
ESE
5
SSE
5
WSW
10
W
20
N
25
NNE
25
NE
20
ENE
20
E
10
SE
25
S
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglassonglassglassglasscross-
off
glassglassoffoffcross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
offcross-
off
cross-
off
High Tide
/ height (m)
6:26AM
0.39
8:15PM
0.27
6:58AM
0.32
9:31PM
0.31
7:30AM
0.26
10:38PM
0.36
8:11AM
0.20
11:31PM
0.40
9:28AM
0.15
12:15AM
0.43
11:01AM
0.12
12:53AM
0.46
12:09PM
0.11
Low Tide
/ height (m)
10:47PM
0.11
12:34PM
0.01
12:06AM
0.17
1:07PM
0.01
2:03AM
0.20
1:43PM
0.01
4:36AM
0.19
2:21PM
0.01
6:24AM
0.14
3:04PM
0.00
7:07AM
0.11
3:50PM
-0.01
7:36AM
0.08
4:35PM
-0.02
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wed
14
Sunrise-7:11--7:11--7:11--7:11--7:11--7:11--7:11-
Sunset--6:05--6:06--6:07--6:07--6:07--6:08--6:08
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
Rain (mm)
-----------1221------
Temp. °C242425242425232425242425242322212122222425
Feels °C (?)262627272627242628272628262219181820222222
  • 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 Chuns Reef Surf forecast

The above surf forecast table for Chuns Reef provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Chuns Reef can be found by selecting the local surf guide option on the grey menu. Our Chuns Reef 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 (Chuns Reef) 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 Chuns Reef 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.

Chuns Reef is 15 km (9 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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