Surf Break

Lat Long: 21.31° N 158.01° W

Duds Reef Surf Forecast and Surf Report

Issued: 1 pm 16 Oct 2026 (local time)

Forecast update in  hr  min

Today's Duds Reef sea temperature is
27.2°C
0.3° 

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


Duds Reef surf forecast from 17 Oct 2026:

  • Best quality surf: Friday 23 Oct, 5AM (local time) - 3ft (0.9m), 8s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Tuesday 20 Oct, 11AM (local time) - 7.5ft (2.3m), 8s period, E swell with 625 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 5AM (local time) - 3ft (0.9m), 8s period with ENE swell.

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 Friday (Oct 23) at 5AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.4m and 13s. 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 2.3m 8s and forecast to arrive on Tuesday (Oct 20) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 12s period and expected on Friday (Oct 16) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 23rd Oct)3ft (0.9m) 8s
Best Surf 5AM (Fri 23rd Oct)3ft (0.9m) 8s
Most Powerful11AM (Tue 20th Oct)7.5ft (2.3m) 8s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Sat night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Mon afternoon, min 24°C on Mon night). Winds decreasing (strong winds from the ENE on Tue afternoon, moderate winds from the ENE by Wed night).

Fri
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
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
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
E
6
1.4
ENE
7
1.4
E
7
1.3
ENE
7
1.8
E
7
1.6
E
7
1.7
E
7
2
E
8
2.1
E
8
1.7
E
8
1.9
E
8
2.3
E
8
2
E
8
2.1
E
8
2
E
7
1.5
E
8
1.4
ENE
8
1.2
E
8
1
E
8
0.9
ENE
8
Wave Graph
Metric surfscale
Energy kJ
182
180
195
171
297
264
270
458
517
346
410
625
507
541
434
265
232
172
121
96
Wind (km/h)
35
ENE
35
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
20
ENE
25
E
25
ENE
15
NE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
High Tide
8:52AM0.58m
9:14PM0.21m
10:03AM0.57m
11:47PM0.26m
11:03AM0.58m
00:31AM0.32m
11:50AM0.58m
1:03AM0.39m
12:29PM0.57m
1:34AM0.48m
1:05PM0.55m
2:06AM0.57m
Low Tide
11:45PM0.16m
6:38PM0.21m
00:38AM0.20m
6:36PM0.19m
2:53AM0.24m
6:48PM0.16m
4:48AM0.25m
7:02PM0.14m
6:06AM0.24m
7:17PM0.11m
7:08AM0.22m
7:36PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
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6:28
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6:30
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
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6:06
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 mm
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Temp °C
27
25
26
27
25
26
26
25
26
26
25
26
26
24
26
26
24
26
27
25
Feels °C
24
23
22
23
23
22
22
21
22
22
22
22
21
19
22
22
21
23
25
25
  • 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 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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