Surf Forecasts:
How big are the waves at Cannons today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
- Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 10s period with W swell.
The current surf forecast for Cannons at 10AM is: 0.5m 10s primary swell from a West direction and 0.7m 7s secondary swell from a Northeast direction (forecast issued at 01:00am August 21). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4ft (1.2m) | 7s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 10s |
| Evening (21 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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) | ENE 7 | ENE 7 | ENE 7 | W 10 | W 10 | W 11 | W 10 | W 10 | W 10 | W 10 | ENE 7 | WNW 10 | WNW 11 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 142 | 142 | 142 | 48 | 48 | 55 | 72 | 74 | 77 | 102 | 100 | 112 | 121 | 289 | 328 | 311 | 230 | 230 | 215 | 215 | 219 | 185 | 185 | 179 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:26AM0.59m | 10:10PM0.20m | 12:13PM0.62m | 11:40PM0.22m | 12:51PM0.64m | |||||||||||||||||||
Low Tide | 2:05AM0.10m | 8:11PM0.17m | 3:30AM0.09m | 7:48PM0.16m | 4:34AM0.07m | 7:52PM0.15m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 29 | 29 | 30 | 31 | 31 | 31 | 29 | 28 | 28 | 27 | 28 | 30 | 29 | 28 | 29 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | E 8 | E 8 | NE 7 | NE 7 | E 7 | E 8 | ENE 7 | ENE 7 | WNW 10 | WNW 11 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | E 7 | E 8 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 |
| kJ | 142 | 142 | 142 | 72 | 55 | 51 | 51 | 51 | 72 | 84 | 99 | 112 | 121 | 289 | 328 | 311 | 230 | 206 | 249 | 215 | 219 | 185 | 185 | 179 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | NE 7 | NE 7 | E 7 | E 7 | NNE 7 | W 10 | W 10 | W 10 | NW 14 | WNW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WNW 11 | WNW 11 | SSW 15 | SSW 15 | SE 12 | SE 11 | SE 11 |
| kJ | 57 | 81 | 73 | 47 | 47 | 52 | 51 | 33 | 77 | 102 | 100 | 54 | 74 | 24 | 24 | 24 | 24 | 230 | 215 | 22 | 21 | 21 | 29 | 18 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SW 17 | SSW 17 | W 10 | W 10 | W 11 | W 10 | W 10 | NNE 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SSW 15 | SSW 15 | SW 9 | SW 9 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 26 | 43 | 28 | 48 | 48 | 55 | 72 | 74 | 31 | 25 | 25 | 25 | 24 | 8 | 8 | 8 | 8 | 23 | 22 | 3 | 3 | 21 | 21 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 7 | — | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 |
| kJ | — | — | — | — | — | — | — | — | — | 134 | — | 110 | 142 | 155 | 178 | 206 | 206 | 348 | 367 | 256 | 223 | 223 | 221 | 198 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 24 | 1 | 24 | 1 | 1 | 1 | 0 | 1 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 31 | 24 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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