Radz Surf Break

Lat Long: 21.70° N 158.01° W

Issued: 7 pm 15 Jun 2026 (local time)

Forecast update in  hr  min

Today's Radz sea temperature is
25.7° C

Normal for this time of year

Radz surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Radz surf forecast from 16 Jun 2026:

  • Best quality surf: Thursday 18 Jun, 2AM (local time) - 2ft (0.6m), 10s period, NW swell with cross-offshore winds.
  • Most powerful swell: Monday 22 Jun, 8AM (local time) - 2.5ft (0.7m), 11s period, NE swell with 112 kJ wave energy.
  • Next surfable swell (1★+): Thursday 18 Jun, 2AM (local time) - 2ft (0.6m), 10s period with NW swell.

Best Forecast Surf Conditions for Radz this week:

The surf forecast for Radz over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 18) at 2AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Radz in the next 16 days are 0.7m 11s and forecast to arrive on Monday (Jun 22) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 11s period and expected on Monday (Jun 22) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 18th Jun)2ft (0.6m) 10s
Best Surf 2AM (Thu 18th Jun)2ft (0.6m) 10s
Most Powerful 8AM (Mon 22nd Jun)2.5ft (0.7m) 11s

Table - best surf conditions forecast for Radz over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Warm (max 25°C on Tue morning, min 23°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 26°C on Fri afternoon, min 24°C on Thu night). Wind will be generally light.

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Mon
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
NW
12
0.5
NW
11
0.6
NW
11
0.6
NW
10
0.6
NW
10
0.6
NW
10
0.6
NW
10
0.6
NE
10
0.6
NW
10
0.6
NW
9
0.5
NW
9
0.4
NW
9
0.4
NW
8
0.4
NW
8
0.4
NW
8
0.4
NW
8
0.4
NE
8
0.6
NE
12
0.6
NE
11
0.7
NE
11
0.7
NE
10
Wave Graph
Metric surfscale
Energy kJ
68
58
75
87
82
80
80
77
64
53
41
28
25
23
16
14
23
110
96
110
106
Wind (km/h)
20
E
20
E
20
ENE
15
ESE
15
E
20
E
15
ESE
15
E
15
E
10
ESE
15
E
20
E
20
ESE
20
ESE
20
E
20
E
25
E
25
E
25
ENE
25
ENE
25
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
1:35AM0.33m
4:45PM0.86m
2:35AM0.32m
5:27PM0.82m
3:48AM0.31m
6:06PM0.76m
5:24AM0.31m
6:41PM0.70m
7:32AM0.34m
7:10PM0.63m
10:03AM0.41m
7:33PM0.56m
11:37AM0.50m
7:45PM0.50m
Low Tide
11:56PM0.32m
8:35AM-0.04m
00:40AM0.31m
9:19AM0.01m
1:21AM0.30m
10:01AM0.09m
1:58AM0.27m
10:44AM0.19m
2:31AM0.25m
11:30AM0.29m
3:01AM0.21m
12:44PM0.40m
3:30AM0.18m
3:41PM0.47m
clear
clear
clear
clear
clear
part cloud
clear
clear
rain showers
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:16
7:16
7:16
7:16
 mm
1
1
Temp °C
24
25
25
24
25
25
24
25
25
25
25
26
25
25
26
25
25
25
24
24
24
Feels °C
22
24
24
23
25
25
24
26
27
27
28
27
27
25
27
26
24
24
23
22
22
Swell 1
Height (m)
Direction
Period (s)
0.6
ENE
10
0.5
SSW
14
0.6
ENE
9
0.6
NW
10
0.6
NW
10
0.6
NW
10
0.6
NW
10
0.6
NE
10
0.6
NE
9
0.6
ENE
9
0.5
NE
8
0.4
NW
9
0.4
NW
8
0.4
NW
8
0.4
NW
8
0.4
NW
8
0.4
NE
8
0.6
NE
12
0.6
NE
11
0.7
NE
11
0.7
NE
10
Energy kJ
63
120
50
87
82
80
80
74
64
50
33
28
25
23
16
14
23
110
96
110
106
Swell 2
Height (m)
Direction
Period (s)
0.5
SSW
15
0.5
NW
11
0.6
NW
11
0.4
SSW
14
0.5
NE
8
0.5
NE
8
0.5
NE
10
0.6
NW
10
0.6
NW
10
0.6
NW
9
0.5
NW
9
0.4
NE
8
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.4
ESE
8
0.4
NNW
7
0.4
NNW
7
0.4
NNW
7
0.4
NW
11
Energy kJ
126
58
75
73
32
34
44
77
58
53
41
23
9
9
9
11
21
21
16
16
31
Swell 3
Height (m)
Direction
Period (s)
0.5
NW
12
0.2
N
6
0.4
SSW
14
0.3
N
9
0.4
SSW
13
0.4
SSW
13
0.4
SW
13
0.3
SSW
12
0.4
SSW
14
0.3
SSW
14
0.3
SSW
13
0.3
SSW
13
0.2
SSW
13
0.2
S
11
0.2
S
11
0.2
ESE
8
0.4
NW
7
0.4
ESE
8
0.3
ESE
8
0.4
NW
12
0.3
NNW
7
Energy kJ
68
3
80
15
68
68
40
31
67
39
33
33
16
10
10
7
14
20
11
35
9
Wind waves
Height (m)
Direction
Period (s)
1.1
ENE
6
1.2
ENE
6
0.9
ENE
6
1
ENE
8
0.8
E
5
0.8
E
5
0.7
E
5
0.4
ESE
5
0.4
E
5
0.8
E
5
0.9
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.8
ENE
5
1
ENE
6
1
ENE
6
1
ENE
6
Energy kJ
74
103
47
131
37
32
25
8
9
33
47
34
35
28
32
36
65
74
74
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
1
Distance (km)
8
8
8
4
4
4
0
0
0
2
2
8
33
39
39
33
33
8
8
8
32
Best forecast wave conditions in Oahu
Rating
(10 max)
1
1
1
2
2
2
3
1
1
2
2
2
2
2
2
2
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
1
3
2
2
3
1
3
3
2
2
3
2
2
4
2
2
3
2
1
Header Global
Rating
(10 max)
5
4
4
5
5
5
9
6
6
5
4
6
9
4
9
7
9
6
7
7
6
  • 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
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Information about the Radz Surf forecast

The above surf forecast table for Radz provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Radz can be found by selecting the local surf guide option on the grey menu. Our Radz 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 (Radz) 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 Radz 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.

Radz is 22 km (14 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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