Surf Forecasts:
How big are the waves at Cannons today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2.5ft (0.8m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 6s period with NE swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.0m), 7s period with NE swell.
The current surf forecast for Cannons at 6AM is: 1.4m 7s primary swell from a East-northeast direction and 0.8m 6s secondary swell from a Northeast direction (forecast issued at 01:00am July 21). An open ocean swell of 0.9m 7s 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 Jul) | 2.5ft (0.8m) | 6s |
| Afternoon (21 Jul) | 3ft (0.9m) | 6s |
| Evening (21 Jul) | 3.5ft (1.0m) | 7s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Tue morning. Warm (max 26°C on Tue morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 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) | NE 7 | ENE 7 | NE 6 | ENE 7 | NE 6 | ENE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | NNW 10 | NNW 9 | NNW 9 | NNW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 63 | 183 | 51 | 158 | 68 | 153 | 91 | 84 | 176 | 168 | 168 | 192 | 192 | 192 | 135 | 135 | 127 | 165 | 149 | 212 | 19 | 17 | 16 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 10:01AM0.51m | 11:09AM0.56m | 12:01PM0.61m | |||||||||||||||||||||
Low Tide | 1:33AM0.05m | 2:16AM0.05m | 3:06AM0.04m | |||||||||||||||||||||
 |  |  |  | | |  | | | | | | |  | | | | | | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — |
mm | — | 1 | 1 | — | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 |
Feels °C | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | NE 7 | E 7 | NE 6 | E 12 | NE 6 | E 12 | NE 7 | NE 7 | E 14 | ENE 7 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 6 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 |
| kJ | 63 | 87 | 51 | 11 | 68 | 25 | 91 | 84 | 57 | 168 | 84 | 107 | 105 | 105 | 100 | 134 | 134 | 107 | 134 | 101 | 101 | 99 | 89 | 88 |
Swell 2 Height (m) Direction Period (s) | W 11 | NE 6 | W 11 | W 11 | E 15 | E 15 | E 12 | E 14 | E 11 | E 13 | SSW 15 | SSW 16 | SSW 17 | SSW 23 | NNW 11 | NNW 11 | NNW 10 | E 12 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | SSW 19 |
| kJ | 9 | 51 | 9 | 9 | 18 | 38 | 23 | 63 | 22 | 87 | 23 | 26 | 29 | 53 | 11 | 11 | 11 | 134 | 10 | 19 | 19 | 17 | 16 | 69 |
Swell 3 Height (m) Direction Period (s) | E 13 | W 11 | E 12 | E 16 | E 12 | W 11 | E 15 | E 11 | S 14 | E 11 | S 14 | S 14 | SSW 23 | N 11 | SSW 22 | SSW 22 | SSW 17 | NNW 10 | SSW 20 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | NNW 9 |
| kJ | 13 | 9 | 12 | 20 | 11 | 9 | 38 | 9 | 16 | 9 | 16 | 16 | 54 | 9 | 49 | 46 | 30 | 10 | 41 | 38 | 38 | 38 | 37 | 16 |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 7 | E 7 | ENE 7 | E 7 | ENE 7 | E 7 | E 7 | ENE 7 | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | E 7 | E 7 | ENE 7 | ENE 7 |
| kJ | 89 | 183 | 85 | 158 | 99 | 153 | 59 | 79 | 176 | — | 168 | 192 | 192 | 192 | 135 | 135 | 127 | 165 | 149 | 212 | 247 | 218 | 186 | 186 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 7 | 31 | 31 | 31 | 24 | 31 | 7 | 7 | 31 | 31 | 31 | 151 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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