Surf Forecasts:
How big are the waves at Avalanche today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 3ft (0.9m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 3.5ft (1.1m), 7s period with NE swell.
- Evening surf: Evening surf (21 Oct, local time) - 3.5ft (1.0m), 7s period with NE swell.
The current surf forecast for Avalanche at 1PM is: 1.1m 7s primary swell from a Northeast direction and 0.3m 9s secondary swell from a North direction (forecast issued at 07:00am October 21). An open ocean swell of 0.4m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 3ft (0.9m) | 8s |
| Afternoon (21 Oct) | 3.5ft (1.1m) | 7s |
| Evening (21 Oct) | 3.5ft (1.0m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 23°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NW 12 | NE 7 | NE 7 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 105 | 94 | 91 | 121 | 105 | 105 | 102 | 73 | 47 | 64 | 52 | 43 | 82 | 89 | 89 | 89 | 110 | 99 | 97 | 96 | 96 | 94 | 92 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:43AM0.43m | 00:41AM0.34m | 12:19PM0.41m | 1:14AM0.41m | 12:54PM0.38m | ||||||||||||||||||
Low Tide | 4:13AM0.13m | 5:27PM0.05m | 5:12AM0.12m | 5:46PM0.03m | 6:07AM0.11m | 6:07PM0.01m | |||||||||||||||||
 |  | | |  | | |  |  |  | | | | | | | | | | | | | | |
 | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 24 | 24 | 23 | 24 | 24 | 26 | 26 | 26 | 24 | 24 |
Feels °C | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 25 | 25 | 26 | 27 | 26 | 26 | 24 | 25 | 24 | 26 | 25 | 26 | 26 | 27 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 8 | NE 7 | SSW 15 | NE 7 | SSW 15 | SSW 15 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NW 11 | NW 11 | SSW 13 | SSW 16 |
| kJ | 105 | 94 | 91 | 87 | 105 | 85 | 84 | 73 | 54 | 64 | 52 | 43 | 44 | 44 | 45 | 46 | 46 | 48 | 48 | 96 | 96 | 141 | 196 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | SW 16 | SW 15 | N 9 | SSW 15 | N 9 | NW 12 | SW 15 | N 6 | NW 11 | SSW 14 | SSW 14 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | SSW 13 | SSW 13 | NW 11 | NW 11 |
| kJ | 31 | 63 | 60 | 15 | 85 | 14 | 23 | 54 | 11 | 43 | 79 | 75 | 82 | 89 | 89 | 89 | 110 | 99 | 97 | 65 | 133 | 94 | 92 |
Swell 3 Height (m) Direction Period (s) | SW 16 | N 9 | N 9 | SE 5 | SE 5 | SSE 6 | SSE 6 | NW 12 | NW 12 | SSW 14 | NW 11 | NW 11 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | NE 12 | NE 8 | NE 8 | NE 11 |
| kJ | 64 | 28 | 26 | 7 | 7 | 7 | 7 | 37 | 47 | 81 | 43 | 42 | 73 | 71 | 70 | 69 | 68 | 44 | 43 | 37 | 28 | 20 | 30 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ENE 7 | NE 7 | — | NE 7 | NE 7 | — | — | — | — | — | — | ENE 7 | ENE 8 | — | — | — | — | NE 8 | NNE 3 | NNE 4 | NE 8 |
| kJ | 253 | 187 | 220 | 121 | — | 105 | 102 | — | — | — | — | — | — | 78 | 94 | — | — | — | — | 46 | 7 | 5 | 46 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 16 | 6 | 6 | 0 | 0 | 0 | 0 | 14 | 14 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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