Surf Forecasts:
How big are the waves at Avalanche today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 3ft (0.9m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 3ft (0.9m), 7s period with NE swell.
- Evening surf: Evening surf (20 Jul, local time) - 3ft (0.9m), 7s period with NE swell.
The current surf forecast for Avalanche at 6AM is: 0.9m 7s primary swell from a Northeast direction (forecast issued at 01:00am July 20). An open ocean swell of 0.5m 17s 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 Jul) | 3ft (0.9m) | 7s |
| Afternoon (20 Jul) | 3ft (0.9m) | 7s |
| Evening (20 Jul) | 3ft (0.9m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
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) | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | SW 17 | NE 7 | NE 7 | SSW 22 | SSW 22 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 59 | 65 | 71 | 62 | 77 | 102 | 84 | 67 | 54 | 54 | 54 | 52 | 44 | 55 | 45 | 47 | 55 | 65 | 65 | 142 | 52 | 61 | 0 | 0 |
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 | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:56AM0.36m | 7:10PM0.29m | 10:05AM0.41m | 7:43PM0.23m | 11:05AM0.44m | 8:47PM0.18m | ||||||||||||||||||
Low Tide | 00:38AM0.03m | 1:37PM0.23m | 1:13AM0.03m | 4:05PM0.22m | 1:52AM0.04m | 6:18PM0.18m | ||||||||||||||||||
 | |  |  | | |  | | | |  | | | | | | |  |  | | | | | | |
 | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 24 |
Feels °C | 24 | 25 | 26 | 27 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 28 | 28 | 27 | 25 | 26 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 7 | NE 7 | S 12 | S 16 | S 16 | S 13 | S 15 | S 13 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 23 | S 13 | S 13 |
| kJ | 59 | 65 | 71 | 99 | 329 | 412 | 119 | 165 | 163 | 339 | 267 | 329 | 325 | 302 | 289 | 281 | 277 | 273 | 273 | 277 | 126 | 426 | 272 | 209 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | S 17 | S 16 | S 16 | SW 18 | SW 18 | S 16 | S 13 | S 15 | SSW 16 | NE 7 | NE 7 | NE 7 | SSW 16 | SSW 16 | SSW 15 | SSW 26 | SSW 26 | SSW 24 | SSW 24 | SSW 24 | S 13 | SSW 22 | SSW 22 |
| kJ | 71 | 154 | 198 | 193 | 82 | 80 | 181 | 85 | 163 | 105 | 54 | 52 | 44 | 103 | 97 | 93 | 224 | 217 | 322 | 437 | 433 | 125 | 517 | 489 |
Swell 3 Height (m) Direction Period (s) | S 18 | SSW 12 | SSW 11 | SW 18 | W 12 | W 12 | SW 18 | SW 17 | SSW 16 | W 11 | SSW 17 | SW 17 | SW 17 | W 11 | SSW 26 | SSW 26 | SW 15 | SW 15 | SW 16 | SW 17 | S 11 | S 10 | SSW 18 | SSW 18 |
| kJ | 154 | 53 | 70 | 83 | 11 | 11 | 78 | 70 | 105 | 9 | 108 | 73 | 70 | 9 | 133 | 224 | 60 | 60 | 61 | 142 | 79 | 78 | 120 | 204 |
Wind waves Height (m) Direction Period (s) | E 8 | — | — | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | — | — | — | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | ENE 6 |
| kJ | 153 | — | — | 62 | 77 | 102 | 84 | 67 | 54 | 54 | — | — | — | 55 | 45 | 47 | 55 | 65 | 65 | 52 | 52 | 61 | 58 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 17 | 17 | 17 | 14 | 14 | 0 | 14 | 0 | 0 | 14 | 0 | 14 | 14 | 0 | 14 | 14 | 14 | 14 | 17 | 14 | 14 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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