Surf Forecasts:
How big are the waves at Duds Reef today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Evening surf: Evening surf (22 Aug, local time) - 5ft (1.6m), 7s period with E swell.
The current surf forecast for Duds Reef at 2AM is: 0.9m 16s primary swell from a Southwest direction and 0.8m 7s secondary swell from a East-northeast direction, 0.9m 7s secondary swell from a East-northeast direction (forecast issued at 07:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 2.5ft (0.8m) | 16s |
| Afternoon (22 Aug) | 2.5ft (0.8m) | 16s |
| Evening (22 Aug) | 5ft (1.6m) | 7s |
Table - waves today at Duds Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 25°C on Sat night). Winds increasing (light winds from the ENE on Fri night, strong winds from the ENE by Sun morning). | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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) | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 7 | E 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 326 | 322 | 367 | 367 | 322 | 326 | 326 | 322 | 314 | 269 | 282 | 349 | 283 | 243 | 226 | 247 | 206 | 200 | 225 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 11:03PM0.23m | 1:02PM0.64m | 00:38AM0.25m | 1:42PM0.67m | |||||||||||||||
Low Tide | 9:15PM0.23m | 4:37AM0.15m | 9:01PM0.20m | 5:49AM0.13m | 9:11PM0.18m | ||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 31 | 28 | 28 | 27 | 27 | 25 | 25 | 25 | 24 | 25 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SW 16 | SW 16 | E 7 | E 7 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 326 | 322 | 367 | 367 | 70 | 92 | 326 | 322 | 314 | 248 | 248 | 245 | 209 | 236 | 201 | 196 | 191 | 138 | 136 |
Swell 2 Height (m) Direction Period (s) | W 10 | E 8 | ENE 7 | ENE 7 | SSW 16 | SSW 16 | W 10 | W 10 | W 10 | WNW 10 | W 10 | S 14 | S 14 | S 13 | SSE 13 | WNW 10 | SSE 13 | SSE 13 | SSE 13 |
| kJ | 51 | 45 | 63 | 58 | 322 | 326 | 74 | 74 | 55 | 83 | 50 | 106 | 100 | 92 | 139 | 43 | 98 | 98 | 96 |
Swell 3 Height (m) Direction Period (s) | E 8 | W 10 | W 10 | W 10 | W 10 | W 10 | S 14 | SSE 12 | S 12 | S 12 | SSE 12 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | SSE 13 | WNW 10 | SSW 15 | SSW 15 |
| kJ | 29 | 50 | 71 | 50 | 50 | 73 | 107 | 52 | 47 | 46 | 49 | 62 | 53 | 69 | 66 | 68 | 39 | 75 | 72 |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | E 6 | ENE 7 | ENE 7 | — | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 6 |
| kJ | 91 | 82 | 35 | 70 | 64 | — | 117 | 192 | 203 | 269 | 282 | 349 | 283 | 243 | 226 | 247 | 206 | 200 | 225 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 10 | 12 | 12 | 12 | 12 | 21 | 21 | 24 | 21 | 22 | 21 | 21 | 21 | 27 | 27 | 32 | 27 | 22 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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