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Surf Forecasts:

Duds Reef surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Monday 15 Sep 2025 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
27.2° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Duds Reef this week:

The most powerful waves expected at Duds Reef in the next 12 days are 1.1m 15s and forecast to arrive on Sunday (Sep 21) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Sep 19) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sun 21st Sep)3.5ft (1.1m) 15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 27°C on Mon morning, min 24°C on Mon night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Thu morning). Mainly fresh winds.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SSW
0.5
SSW
0.5
SSW
0.4
SW
0.4
SW
1.3
E
1.4
E
1.3
E
1.4
E
0.6
SSW
1.2
E
0.6
SSW
0.6
SSW
0.5
SSW
0.8
SSW
0.9
SSW
0.9
SSW
1.1
SSW
1
SSW
0.9
SSW
0.9
SSW
Period(s) (?)1313131817666614713131817161515141313
Wave
Graph
(?)Metric surfscale
Energy (?)193204211215217220296296346309285266355312513651633695658477453
Wind
(km/h)
25
ENE
25
ENE
20
NE
25
ENE
30
ENE
30
ENE
35
E
35
ENE
30
ENE
35
E
35
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
11:39AM
0.67
12:01AM
0.24
12:39PM
0.69
1:04AM
0.29
1:25PM
0.70
1:47AM
0.36
2:02PM
0.69
2:24AM
0.42
2:35PM
0.67
2:58AM
0.48
3:03PM
0.63
3:31AM
0.54
3:29PM
0.58
4:03AM
0.58
Low Tide
/ height (m)
7:54PM
0.18
4:42AM
0.15
8:13PM
0.15
6:04AM
0.14
8:33PM
0.13
7:05AM
0.12
8:52PM
0.12
7:56AM
0.12
9:10PM
0.11
8:41AM
0.12
9:28PM
0.10
9:24AM
0.14
9:45PM
0.09
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise6:18--6:18--6:18--6:18--6:18--6:20--6:20--
Sunset-6:35--6:34--6:32--6:31--6:30--6:30--6:29-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C272725262725262725272726272826272726272725
Feels °C (?)242424232424232423242425252726252426252424
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Oahu

  1. weather stationWind Update Continuing clean conditions at Duds Reef (light winds from the NE at Kalaeloa Airport 6 km from Duds Reef). 0.8m 5s windswell from the ENE with a 0.6m 6s windswell from the SE and a 0.4m 14s groundswell from the SSW as well as a 0.3m 10s swell from the SSE. 4 swells combining to make bigger set waves.

    2 hours 35 minutes ago Duds Reef
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2 h 35 min ago

6 km/h
NE
Clean
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Duds Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Duds Reef at:
surf-forecast.com

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 12 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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