Duds Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Wednesday 29 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Duds Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Duds Reef sea temperature is
25.1° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Duds Reef this week:

The surf forecast for Duds Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 04) at 5AM. The primary swell is predicted to be 0.6m and 14s period with a secondary swell of 0.9m and 8s. Another secondary swell of 0.9m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Duds Reef in the next 16 days are 1.8m 8s and forecast to arrive on Saturday (May 02) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 15s period and expected on Saturday (May 02) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 4th May)2ft (0.6m) 14s
Best Surf 5AM (Mon 4th May)2ft (0.6m) 14s
Most Powerful 5AM (Sat 2nd May)6ft (1.8m) 8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Wed afternoon, min 22°C on Wed night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Mon afternoon, min 22°C on Sun night). Mainly fresh winds.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
2
0
0
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
E
7
1.3
ENE
6
1.3
E
6
1.4
E
7
1.4
E
7
1.8
E
7
1.6
E
7
1.9
E
7
1.5
E
8
1.5
ENE
8
1.2
E
8
1.1
E
8
1.4
ENE
8
1.1
ENE
8
0.6
SSW
14
0.5
S
13
1
ENE
8
0.5
S
13
0.7
E
8
0.4
SSW
18
0.5
E
8
Wave Graph
Metric surfscale
Energy kJ
117
95
137
181
179
306
255
376
273
250
172
161
232
163
163
90
133
86
61
120
31
Wind (km/h)
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
25
ENE
20
ENE
20
ENE
25
ENE
15
NE
15
E
15
ENE
15
ENE
10
SSE
5
SSW
5
WNW
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross-off
on
cross-on
cross-off
High Tide
3:02PM0.67m
2:31AM0.42m
3:33PM0.71m
3:02AM0.37m
4:04PM0.73m
3:31AM0.34m
4:37PM0.74m
4:00AM0.31m
5:13PM0.72m
4:28AM0.28m
5:53PM0.70m
4:56AM0.26m
6:36PM0.67m
Low Tide
8:06AM0.06m
9:32PM0.20m
8:27AM0.06m
10:18PM0.20m
8:49AM0.05m
11:02PM0.19m
9:13AM0.06m
11:47PM0.20m
9:38AM0.06m
00:37AM0.20m
10:05AM0.07m
1:35AM0.21m
10:34AM0.09m
2:49AM0.22m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:00
6:00
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:57
6:57
6:58
6:58
6:58
Temp °C
24
25
23
24
25
23
24
25
23
24
25
24
25
25
23
24
26
24
25
25
24
21
22
20
20
21
19
20
21
20
21
22
22
24
23
22
23
24
23
26
26
26
Swell 1
Height (m)
Direction
Period (s)
0.4
NW
12
0.4
NW
12
0.5
NW
12
0.6
NW
11
0.5
NW
11
0.6
NNW
11
0.6
NNW
12
0.5
S
16
0.6
NW
16
1.1
E
8
0.8
NW
14
1.1
E
8
1.1
E
8
0.6
SSW
14
0.6
SSW
14
0.8
E
8
0.8
E
8
0.8
E
8
0.7
NW
11
0.6
NW
11
0.6
NW
11
Energy kJ
50
47
69
101
60
84
90
129
211
145
218
161
157
163
163
82
82
82
127
96
94
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
12
0.3
SW
11
0.2
SSE
10
0.3
S
16
0.4
S
16
0.4
S
15
0.5
S
15
0.4
NNW
11
0.5
S
14
0.8
NW
14
0.5
S
14
0.7
NW
13
0.6
NW
12
0.6
NW
12
0.6
NW
11
0.6
NW
11
0.7
NW
12
0.8
NW
12
0.7
E
8
0.6
E
8
0.5
E
8
Energy kJ
35
19
10
47
81
73
110
48
93
251
106
166
118
114
76
101
153
169
61
44
31
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
11
0.2
SSE
10
0.2
S
18
0.3
SSW
12
0.3
SSW
12
0.3
SSW
11
0.3
SSW
18
0.4
NW
18
0.4
NNW
11
0.6
S
14
0.4
SSW
18
0.5
S
13
0.5
S
13
0.2
SSE
6
0.4
SW
20
0.5
S
13
0.5
SSW
13
0.5
S
13
0.4
SSW
12
0.4
SSW
18
0.3
SSW
12
Energy kJ
11
10
25
29
29
25
61
112
45
148
103
89
87
4
97
90
99
86
50
120
27
Wind waves
Height (m)
Direction
Period (s)
1.1
E
7
1.3
ENE
6
1.3
E
6
1.4
E
7
1.4
E
7
1.8
E
7
1.6
E
7
1.9
E
7
1.5
E
8
1.5
ENE
8
1.2
E
8
1.4
ENE
8
1.1
ENE
8
1
E
8
1
ENE
8
0.8
ENE
8
Energy kJ
117
95
137
181
179
306
255
376
273
250
172
232
163
127
133
69
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
2
2
2
2
3
2
3
2
2
2
2
2
2
2
2
2
1
1
Distance (km)
15
144
13
21
21
21
24
29
13
13
12
12
10
12
12
12
12
0
15
12
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
2
3
3
4
3
2
2
2
2
2
3
3
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
1
2
2
2
2
2
3
3
4
3
2
2
2
2
2
3
3
2
2
3
Header Global
Rating
(10 max)
6
5
5
6
5
5
9
7
4
4
4
4
5
4
5
5
5
5
5
9
6
  • 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 Duds Reef Surf forecast

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

Duds Reef is 0 km (0 miles) from 'Ewa Beach. If you plan a vacation in Oahu, look for hotels and other accommodation in 'Ewa Beach. 'Ewa Beach has rooms for a wide range of budgets as well as car hire and transport links.

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