Surf Forecasts:
How big are the waves at Avalanche today (17 Sep):
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.3m), 7s period with NNE swell.
- Evening surf: Evening surf (17 Sep, local time) - 3.5ft (1.1m), 7s period with NNE swell.
The current surf forecast for Avalanche at 11PM is: 1.0m 6s primary swell from a North-northeast direction (forecast issued at 07:00pm September 17). An open ocean swell of 1.0m 18s is not directed at the surf break, a second open ocean swell of 1.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 4.5ft (1.3m) | 7s |
| Evening (17 Sep) | 3.5ft (1.1m) | 7s |
Table - waves today at Avalanche. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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) | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NE 7 | NNE 7 | WSW 9 | WSW 9 | NNE 6 | NE 7 | NNE 7 | NNE 6 | NNE 7 | NE 7 | NE 7 | NE 7 | SSW 16 | NE 6 | NE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 160 | 117 | 88 | 88 | 123 | 81 | 8 | 8 | 48 | 89 | 56 | 52 | 38 | 88 | 85 | 73 | 0 | 47 | 75 |
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 |
High Tide | 6:15PM0.16m | 9:18AM0.43m | 9:34PM0.15m | 10:27AM0.44m | |||||||||||||||
Low Tide | 4:29PM0.16m | 11:24PM0.11m | 5:08PM0.14m | 00:51AM0.12m | 5:31PM0.12m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 |
| kJ | 322 | 552 | 644 | 826 | 759 | 742 | 725 | 601 | 675 | 667 | 651 | 635 | 525 | 519 | 419 | 425 | 425 | 512 | 255 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | ENE 9 | NNE 6 | E 9 | SSE 10 | NNE 7 | WSW 9 | SSE 9 | NNE 6 | SSE 7 | NNE 7 | NNE 6 | NNE 7 | SSE 6 | S 18 | S 18 | S 18 | E 8 | SSW 16 |
| kJ | 210 | 29 | 88 | 26 | 9 | 81 | 8 | 8 | 48 | 21 | 56 | 52 | 38 | 17 | 162 | 162 | 162 | 29 | 273 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | SSW 10 | ENE 9 | SSW 10 | SW 10 | E 8 | SE 10 | WSW 9 | SSE 8 | W 9 | SSE 6 | E 8 | SSE 6 | S 20 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 8 |
| kJ | 19 | 10 | 27 | 10 | 4 | 42 | 4 | 8 | 28 | 6 | 16 | 29 | 16 | 67 | 16 | 14 | 16 | 16 | 26 |
Wind waves Height (m) Direction Period (s) | NNE 7 | NNE 7 | ENE 9 | NNE 6 | NE 7 | E 8 | NE 7 | ENE 7 | E 8 | NE 7 | E 8 | E 8 | E 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 |
| kJ | 160 | 117 | 374 | 88 | 123 | 331 | 109 | 142 | 72 | 89 | 30 | 241 | 41 | 88 | 85 | 73 | 106 | 47 | 75 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 6 | 6 | 14 | 14 | 14 | 14 | 168 | 14 | 14 | 8 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 6 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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