Surf Forecasts:
How big are the waves at Avalanche today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.3m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.3m), 7s period with NE swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 10s period with NNW swell.
The current surf forecast for Avalanche at 3PM is: 1.3m 7s primary swell from a Northeast direction and 0.4m 10s secondary swell from a North-northwest direction (forecast issued at 07:00am October 20). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4.5ft (1.3m) | 7s |
| Afternoon (20 Oct) | 4.5ft (1.3m) | 7s |
| Evening (20 Oct) | 1.5ft (0.4m) | 10s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 24°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 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 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNW 10 | NE 7 | NE 8 | N 9 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NW 12 | NE 8 | NE 7 | NE 7 | NW 11 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 160 | 176 | 171 | 147 | 188 | 188 | 33 | 156 | 125 | 16 | 140 | 140 | 140 | 121 | 102 | 89 | 47 | 67 | 54 | 54 | 80 | 89 | 89 |
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 | 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 | cross-off | cross-off |
High Tide | 11:04AM0.44m | 00:08AM0.28m | 11:43AM0.43m | 00:41AM0.34m | 12:19PM0.41m | ||||||||||||||||||
Low Tide | 3:05AM0.15m | 5:08PM0.06m | 4:13AM0.13m | 5:27PM0.05m | 5:12AM0.12m | 5:46PM0.03m | |||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | | | | | |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 24 |
Feels °C | 23 | 23 | 23 | 22 | 22 | 21 | 22 | 22 | 23 | 23 | 25 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 27 | 27 | 26 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SE 8 | NE 8 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 15 | NE 7 | NE 7 | NE 7 | NE 8 | NE 7 | NE 7 | NW 11 | NW 12 | NE 8 |
| kJ | 59 | 57 | 54 | 35 | 34 | 33 | 33 | 28 | 125 | 63 | 60 | 87 | 85 | 85 | 102 | 89 | 54 | 67 | 54 | 54 | 80 | 89 | 69 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SE 6 | SE 5 | SW 15 | SW 16 | N 10 | SE 7 | N 9 | N 9 | N 9 | SE 6 | SE 6 | SSW 15 | SW 15 | N 6 | NW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NW 12 |
| kJ | 64 | 65 | 65 | 15 | 7 | 57 | 63 | 30 | 27 | 16 | 15 | 15 | 9 | 9 | 84 | 54 | 11 | 43 | 79 | 76 | 73 | 71 | 89 |
Swell 3 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | S 11 | S 11 | SW 16 | N 10 | S 12 | SE 6 | SE 6 | N 9 | N 9 | NW 12 | NW 12 | NW 12 | SSW 14 | NW 11 | NW 11 | SSE 6 | SSE 6 | SSW 13 |
| kJ | 36 | 16 | 15 | 15 | 15 | 21 | 21 | 64 | 30 | 26 | 8 | 9 | 14 | 14 | 23 | 37 | 47 | 81 | 30 | 42 | 7 | 6 | 70 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | E 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 8 | — | — | — | — | — | NE 7 | NE 8 | E 4 |
| kJ | 160 | 176 | 171 | 147 | 188 | 188 | 178 | 156 | 362 | 129 | 140 | 140 | 140 | 121 | 151 | — | — | — | — | — | 65 | 57 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 16 | 165 | 165 | 166 | 16 | 14 | 14 | 16 | 14 | 14 | 14 | 14 | 14 | 8 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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