Surf Forecast Surf Report
Chuns Reef surf break

Chuns Reef surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Thursday 03 Apr 2025 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
25.4° C
(Which is 1.2°C warmer than normal for this time of year)


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 (Apr 03) at 5PM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.8m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Chuns Reef in the next 12 days are 4.0m 17s and forecast to arrive on Saturday (Apr 05) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Saturday (Apr 05) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Thu 3rd Apr)2.5ft (0.7m) 12s
Best Surf 5PM (Sat 5th Apr)11ft (3.5m) 17s
Most Powerful11PM (Sat 5th Apr)13ft (4.0m) 17s

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

Updates in  hr  min  s Forecast update imminent
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
WNW
0.7
NNW
1.4
NNW
2.1
NNW
2.4
NNW
2.1
NNW
2.5
NNW
3.5
NNW
4
N
3.5
N
3
N
2.5
N
2.4
N
2.2
N
1.9
N
1.7
N
1.5
N
1.6
NNW
1.6
NNW
1.4
NNW
2
NE
1.8
ENE
2
ENE
1.7
E
1.5
NNE
2
NE
2.5
ENE
2.2
ENE
2.4
ENE
2.1
ENE
1.8
ENE
1.6
ENE
1.5
E
1.4
E
1.4
E
1.4
E
Period(s) (?)10121114131315171616161514141313131212127777999988888888
Wave
Graph
(?)Metric surfscale
Energy (?)1421274661628191513442817631174775189460230532441194912831003764703742530389315371286336621940784819617434376324277270266
Wind
(km/h)
5
WSW
5
NW
10
ENE
15
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
E
25
ENE
25
ENE
25
ENE
25
NE
25
NE
25
NE
25
NE
30
ENE
20
ENE
25
E
35
ENE
35
E
35
ENE
35
ENE
35
E
30
E
30
E
15
SE
15
SSW
5
ESE
20
S
30
SSW
30
SW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
crosson
High Tide
/ height (m)
8:19PM
0.45
8:50AM
0.06
9:37PM
0.43
10:46AM
0.09
10:45PM
0.42
11:48AM
0.14
11:39PM
0.41
12:31PM
0.20
12:23AM
0.39
1:07PM
0.25
12:58AM
0.37
1:40PM
0.30
1:28AM
0.34
2:12PM
0.34
1:55AM
0.31
2:41PM
0.38
2:21AM
0.27
3:11PM
0.41
2:47AM
0.23
3:41PM
0.43
3:14AM
0.20
4:12PM
0.43
3:42AM
0.16
Low Tide
/ height (m)
10:49AM
-0.01
3:53AM
0.03
12:04PM
0.02
4:45AM
0.01
1:52PM
0.04
5:20AM
0.00
3:27PM
0.05
5:47AM
-0.01
4:38PM
0.04
6:10AM
-0.02
5:34PM
0.04
6:29AM
-0.02
6:23PM
0.04
6:47AM
-0.03
7:08PM
0.04
7:04AM
-0.04
7:51PM
0.05
7:21AM
-0.04
8:34PM
0.05
7:39AM
-0.04
9:18PM
0.05
7:58AM
-0.04
10:06PM
0.06
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise6:22--6:22--6:20--6:20--6:20--6:18--6:18--6:16--6:16--6:15--6:13--6:13--
Sunset-6:46--6:47--6:47--6:47--6:49--6:49--6:49--6:50--6:50--6:50--6:51--6:51-
part cloudcloudlight raincloudpart cloudclearclearclearclearclearclearclearclearclearthunderstorm thunderstorm part cloudpart cloudpart cloudlight rainrain showerspart cloudthunderstorm part cloudpart cloudclearpart cloudthunderstorm thunderstorm rain showerspart cloudthunderstorm clearthunderstorm thunderstorm thunderstorm
Rain (mm)
--1-----------21---21-1----131-1-326
Temp. °C262524252523252523252523242523242423232323242423242423232423252524252624
Feels °C (?)272626252422232321232221222321212221212021222120202020212120252725232423

Short Range Forecast: Some drizzle, heaviest during Thu night. Warm (max 26°C on Thu morning, min 23°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Warm (max 25°C on Sun morning, min 23°C on Sun morning). Mainly fresh winds.

Days 6-9 Weather Summary Light rain (total 4mm), mostly falling on Wed afternoon. Warm (max 24°C on Thu morning, min 23°C on Wed morning). Mainly fresh winds.

Long Range Forecast: Moderate rain (total 17mm), heaviest on Mon night. Warm (max 26°C on Mon afternoon, min 22°C on Mon night). Winds decreasing (fresh winds from the E on Sat afternoon, light winds from the SSW by Sun afternoon).

  • 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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