Surf Forecasts:
How big are the waves at Duds Reef today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 2.5ft (0.8m), 14s period with S swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 2.5ft (0.8m), 13s period with S swell.
- Evening surf: Evening surf (30 Jul, local time) - 2.5ft (0.8m), 13s period with S swell.
The current surf forecast for Duds Reef at 2AM is: 0.8m 14s primary swell from a South-southwest direction and 0.9m 8s secondary swell from a East-northeast direction (forecast issued at 07:00pm July 29). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 2.5ft (0.8m) | 14s |
| Afternoon (30 Jul) | 2.5ft (0.8m) | 13s |
| Evening (30 Jul) | 2.5ft (0.8m) | 13s |
Table - waves today at Duds Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu morning, min 24°C on Fri night). Winds increasing (calm on Wed night, strong winds from the ENE by Sat morning). | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | |||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 14 | ENE 9 | SSW 14 | SSW 14 | S 14 | S 14 | S 14 | SW 18 | SSW 18 | SSW 18 | S 13 | SW 16 | SW 16 | SW 16 | E 8 | E 8 | E 8 | E 7 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 257 | 173 | 261 | 254 | 236 | 236 | 232 | 249 | 222 | 219 | 215 | 268 | 264 | 264 | 261 | 291 | 308 | 358 | 470 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:17PM0.75m | 4:07AM0.34m | 4:44PM0.73m | 4:49AM0.37m | 5:10PM0.70m | ||||||||||||||
Low Tide | 11:17PM0.15m | 9:35AM0.07m | 11:39PM0.13m | 10:13AM0.10m | |||||||||||||||
 |  | | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 25 | 26 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 30 | 30 | 30 | 30 | 28 | 29 | 28 | 27 | 26 | 26 | 27 | 24 | 25 | 25 | 24 | 23 | 22 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | S 13 | E 8 | E 8 | S 12 | S 12 | SW 16 | SW 15 | SW 15 | SW 15 |
| kJ | 227 | 173 | 166 | 125 | 112 | 109 | 159 | 145 | 121 | 121 | 215 | 163 | 160 | 153 | 151 | 251 | 236 | 226 | 223 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 13 | SSW 14 | SSW 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 17 | S 13 | S 13 | SW 16 | SW 16 | S 12 | E 16 | E 15 | E 15 |
| kJ | 257 | 121 | 261 | 254 | 236 | 236 | 232 | 225 | 222 | 219 | 195 | 212 | 163 | 264 | 261 | 146 | 231 | 225 | 216 |
Swell 3 Height (m) Direction Period (s) | SW 19 | S 15 | SW 19 | SW 19 | SW 19 | SW 18 | SSW 18 | SW 18 | SSW 18 | SSW 18 | E 17 | SW 16 | SW 16 | E 16 | E 15 | E 15 | S 12 | S 12 | S 12 |
| kJ | 59 | 112 | 95 | 95 | 92 | 155 | 209 | 249 | 207 | 207 | 87 | 268 | 264 | 176 | 159 | 165 | 106 | 103 | 103 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | ENE 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | E 8 |
| kJ | — | — | — | — | — | — | — | — | — | 178 | 121 | 245 | 251 | 193 | 256 | 291 | 308 | 358 | 470 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 21 | 24 | 37 | 16 | 28 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest 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.
Nearest