Surf Forecasts:
How big are the waves at Avalanche today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.7m), 7s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.7m), 7s period with NE swell.
The current surf forecast for Avalanche at 12PM is: 0.6m 18s primary swell from a Southwest direction and 0.6m 7s secondary swell from a Northeast direction (forecast issued at 07:00am August 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 6s |
| Afternoon (20 Aug) | 2.5ft (0.7m) | 7s |
| Evening (20 Aug) | 2.5ft (0.7m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | NE 7 | NE 6 | SW 18 | NE 7 | W 11 | W 10 | W 10 | NNE 7 | NNE 7 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 11 | WNW 11 | W 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 44 | 43 | 249 | 37 | 55 | 49 | 49 | 42 | 42 | 57 | 56 | 50 | 49 | 49 | 49 | 50 | 50 | 51 | 73 | 77 | 95 | 93 | 62 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | off | off | off | glassy | glassy | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:17AM0.44m | 8:42PM0.16m | 11:18AM0.46m | 10:56PM0.16m | 12:07PM0.48m | ||||||||||||||||||
Low Tide | 6:18PM0.16m | 1:46AM0.09m | 6:29PM0.13m | 3:00AM0.08m | 6:49PM0.12m | ||||||||||||||||||
 |  | |  | | | |  | | | | | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 28 | 28 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 31 | 31 | 31 | 31 | 28 | 27 | 27 | 27 | 28 | 29 | 27 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 6 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 44 | 43 | 34 | 37 | 49 | 49 | 49 | 278 | 364 | 368 | 291 | 281 | 261 | 322 | 322 | 322 | 322 | 326 | 326 | 322 | 251 | 248 | 248 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 18 | SW 18 | SW 18 | SSW 17 | SSW 17 | SW 16 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | W 10 | WNW 11 | WNW 11 | W 11 |
| kJ | 195 | 207 | 249 | 316 | 200 | 184 | 271 | 42 | 42 | 42 | 42 | 32 | 32 | 31 | 37 | 28 | 27 | 34 | 33 | 77 | 95 | 93 | 57 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | W 11 | W 10 | W 10 | W 9 | W 9 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SSE 13 | SSE 12 | SSE 12 | WNW 13 |
| kJ | 44 | 41 | 39 | 39 | 55 | 49 | 45 | 42 | 27 | 57 | 56 | 50 | 49 | 49 | 49 | 50 | 50 | 51 | 73 | 31 | 50 | 50 | 62 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | NE 6 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 33 | 42 | 56 | 68 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 4 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 8 | 6 | 14 | 14 | 14 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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