Surf Forecasts:
How big are the waves at Duds Reef today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 5ft (1.6m), 7s period with E swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 6ft (1.8m), 7s period with E swell.
- Evening surf: Evening surf (18 Oct, local time) - 6.5ft (2.0m), 7s period with E swell.
The current surf forecast for Duds Reef at 2PM is: 1.7m 7s primary swell from a East direction and 0.5m 13s secondary swell from a South direction (forecast issued at 07:00am October 18). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 5ft (1.6m) | 7s |
| Afternoon (18 Oct) | 6ft (1.8m) | 7s |
| Evening (18 Oct) | 6.5ft (2.0m) | 7s |
Table - waves today at Duds Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sun morning, min 24°C on Sun night). Mainly strong winds. | |||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||||
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 | 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) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 240 | 247 | 243 | 270 | 335 | 416 | 478 | 504 | 470 | 371 | 403 | 463 | 463 | 424 | 558 | 424 | 291 | 294 | 392 | 463 | 510 | 424 | 454 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 10:03AM0.57m | 11:47PM0.26m | 11:03AM0.58m | 00:31AM0.32m | 11:50AM0.58m | ||||||||||||||||||
Low Tide | 6:36PM0.19m | 2:53AM0.24m | 6:48PM0.16m | 4:48AM0.25m | 7:02PM0.14m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 25 | 25 | 24 |
Feels °C | 22 | 21 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 22 | 22 | 22 | 21 | 22 | 21 | 22 | 22 | 21 | 22 | 22 | 21 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | NW 13 | SSW 17 | SW 16 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 11 | SW 14 | SW 15 | SW 16 |
| kJ | 84 | 84 | 84 | 82 | 45 | 108 | 69 | 71 | 44 | 44 | 44 | 44 | 44 | 44 | 63 | 64 | 64 | 65 | 64 | 21 | 32 | 58 | 63 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NW 14 | NW 14 | NNW 10 | NNW 12 | NW 13 | NW 13 | SW 17 | SW 17 | NW 12 | NW 12 | NW 11 | SW 15 | SW 15 | S 12 | S 12 | S 11 | S 11 | S 11 | SW 15 | S 11 | S 11 | S 11 |
| kJ | 41 | 53 | 52 | 35 | 45 | 44 | 42 | 71 | 74 | 37 | 35 | 32 | 57 | 60 | 44 | 24 | 22 | 21 | 21 | 58 | 21 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | NW 14 | NNW 10 | NNW 10 | NW 14 | S 13 | NNW 12 | S 12 | NW 12 | NW 12 | SW 17 | SW 17 | SW 15 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | S 14 | S 14 |
| kJ | 54 | 20 | 20 | 46 | 51 | 26 | 26 | 38 | 37 | 74 | 73 | 57 | 19 | 19 | 19 | 18 | 16 | 16 | 15 | 15 | 4 | 16 | 15 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 |
| kJ | 240 | 247 | 243 | 270 | 335 | 416 | 478 | 504 | 470 | 371 | 403 | 463 | 463 | 424 | 558 | 424 | 291 | 294 | 392 | 463 | 510 | 424 | 454 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 24 | 145 | 31 | 144 | 144 | 145 | 145 | 24 | 144 | 31 | 24 | 173 | 31 | 31 | 145 | 24 | 15 | 24 | 173 | 173 | 174 | 166 | 166 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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