Surf Forecasts:
How big are the waves at Daves Backyard today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 5.5ft (1.7m), 8s period with E swell.
- Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
The current surf forecast for Daves Backyard at 2AM is: 1.6m 8s primary swell from a East direction and 0.7m 14s secondary swell from a South-southwest direction, 1.4m 8s secondary swell from a East-northeast direction (forecast issued at 07:00pm September 19). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 3ft (0.9m) | 16s |
| Afternoon (20 Sep) | 5.5ft (1.7m) | 8s |
| Evening (20 Sep) | 3ft (0.9m) | 15s |
Table - waves today at Daves Backyard. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
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 | E 8 | E 8 | ENE 8 | SSW 16 | SSW 16 | E 8 | E 8 | SSW 15 | SSW 15 | E 8 | E 8 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 512 | 512 | 418 | 329 | 416 | 452 | 343 | 375 | 375 | 380 | 468 | 371 | 411 | 405 | 331 | 308 | 304 | 295 | 290 |
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-off | cross |
High Tide | 11:43PM0.23m | 12:15PM0.61m | 00:42AM0.27m | 12:56PM0.63m | |||||||||||||||
Low Tide | 8:04PM0.21m | 3:56AM0.19m | 8:03PM0.18m | 5:24AM0.18m | 8:13PM0.16m | ||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 25 | 26 |
Feels °C | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 24 | 23 | 25 | 26 | 25 | 23 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SW 16 | E 8 | E 8 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 512 | 512 | 255 | 329 | 291 | 452 | 324 | 375 | 375 | 380 | 468 | 350 | 411 | 405 | 331 | 308 | 304 | 295 | 290 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | SSW 16 | SSW 14 | S 16 | SSE 6 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SSW 15 | W 11 | W 11 | SW 14 |
| kJ | 162 | 99 | 273 | 175 | 326 | 7 | 146 | 104 | 104 | 104 | 54 | 33 | 33 | 33 | 52 | 21 | 9 | 10 | 30 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | W 8 | SSE 9 | S 16 | SW 16 | SW 15 | SSE 6 | SSE 6 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | NW 10 | SSE 5 | W 11 |
| kJ | 7 | 1 | 8 | 193 | 251 | 54 | 13 | 15 | 3 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 4 | 3 | 10 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ENE 8 | ENE 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 | ENE 8 | ENE 8 |
| kJ | 491 | 466 | 418 | 226 | 416 | 302 | 343 | 368 | 368 | 334 | 350 | 371 | 378 | 328 | 280 | 264 | 239 | 290 | 284 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 24 | 21 | 13 | 11 | 12 | 13 | 21 | 24 | 24 | 21 | 21 | 21 | 11 | 11 | 11 | 11 | 24 | 13 | 11 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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