Surf Forecasts:
How big are the waves at Daves Backyard today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5ft (1.6m), 10s period with ENE swell.
- Evening surf: Evening surf (17 Sep, local time) - 3.5ft (1.1m), 17s period with SSW swell.
The current surf forecast for Daves Backyard at 6AM is: 0.9m 16s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a Southwest direction, 1.6m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am September 17). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 3ft (0.9m) | 16s |
| Afternoon (17 Sep) | 5ft (1.6m) | 10s |
| Evening (17 Sep) | 3.5ft (1.1m) | 17s |
Table - waves today at Daves Backyard. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 29°C on Fri afternoon, min 26°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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 | 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 17 | SSW 16 | SSW 16 | ENE 10 | ENE 10 | ENE 9 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 510 | 464 | 452 | 518 | 551 | 461 | 552 | 817 | 826 | 817 | 742 | 725 | 708 | 675 | 726 | 651 | 627 | 620 | 519 | 506 | 506 | 512 | 512 | 334 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 8:35AM0.57m | 10:01AM0.57m | 11:19AM0.58m | |||||||||||||||||||||
Low Tide | 00:08AM0.13m | 00:43AM0.16m | 1:55AM0.18m | 8:04PM0.21m | ||||||||||||||||||||
 | |  |  |  | |  | | | |  | | | | | | | | | | | |  | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 26 | 26 | 27 | 28 | 28 | 26 | 26 | 26 | 25 | 25 | 24 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 24 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 510 | 464 | 452 | 322 | 322 | 447 | 552 | 817 | 826 | 817 | 742 | 725 | 708 | 675 | 726 | 651 | 627 | 620 | 519 | 506 | 506 | 512 | 512 | 318 |
Swell 2 Height (m) Direction Period (s) | E 10 | SW 11 | SW 11 | SSW 20 | SSW 19 | SSW 19 | W 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 8 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSW 18 | S 18 | SSW 18 | SSE 6 | SSW 16 |
| kJ | 71 | 30 | 41 | 216 | 246 | 214 | 6 | 10 | 9 | 9 | 9 | 9 | 8 | 22 | 24 | 15 | 15 | 17 | 17 | 107 | 162 | 106 | 16 | 273 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SSE 11 | SSE 11 | SW 10 | WSW 8 | SSE 10 | SSE 10 | WSW 8 | SSW 10 | SSW 10 | W 9 | WSW 9 | WSW 9 | WSW 9 | S 21 | WSW 9 | S 20 | S 20 | S 20 | SSE 8 | SSE 7 | SSE 6 | S 18 | SSE 6 |
| kJ | 31 | 12 | 11 | 28 | 7 | 10 | 10 | 7 | 10 | 10 | 2 | 8 | 8 | 8 | 34 | 8 | 67 | 67 | 67 | 23 | 19 | 16 | 99 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 171 | 227 | 240 | 518 | 551 | 461 | 432 | 422 | 355 | 347 | 334 | 326 | 326 | 326 | 287 | 287 | 280 | 245 | 287 | 326 | 326 | 295 | 343 | 334 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 12 | 14 | 21 | 14 | 21 | 12 | 11 | 13 | 11 | 12 | 21 | 21 | 24 | 21 | 11 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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