
Surf Forecasts:
How big are the waves at Cannons today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 7s period with NNE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.0m), 7s period with NNE swell.
- Evening surf: Evening surf (18 Sep, local time) - 3ft (0.9m), 7s period with NNE swell.
The current surf forecast for Cannons at 8AM is: 0.9m 6s primary swell from a North-northeast direction and 0.4m 7s secondary swell from a Northeast direction (forecast issued at 01:00am September 18). An open ocean swell of 1.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 7s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 7s |
| Evening (18 Sep) | 3ft (0.9m) | 7s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Warm (max 27°C on Fri morning, min 25°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | NNE 7 | NNE 7 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 6 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | N 11 | N 11 | W 12 |
Wave Graph | ||||||||||||||||||||||||
120 | 113 | 75 | 79 | 88 | 66 | 66 | 64 | 51 | 50 | 47 | 45 | 45 | 31 | 30 | 39 | 38 | 38 | 34 | 29 | 37 | 9 | 9 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 9:16AM0.55m | 10:32AM0.56m | 10:47PM0.21m | 11:26AM0.59m | ||||||||||||||||||||
Low Tide | 11:12PM0.11m | 00:39AM0.13m | 6:50PM0.16m | 2:52AM0.13m | 6:45PM0.15m | |||||||||||||||||||
— | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | |
— | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | |
mm | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 26 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 27 | 26 | 27 | 27 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | E 8 | E 8 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 6 | E 8 | E 8 | NNE 6 | NNE 6 | NNE 6 | E 10 | SSW 15 | SSW 15 |
313 | 306 | 75 | 79 | 88 | 66 | 66 | 64 | 252 | 246 | 47 | 45 | 45 | 31 | 30 | 39 | 329 | 289 | 34 | 29 | 37 | 18 | 42 | 21 | |
Swell 2 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NE 7 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | NNE 7 | NNE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | NNE 7 | NNE 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | E 10 | NNW 10 |
120 | 113 | 14 | 76 | 75 | 72 | 69 | 68 | 51 | 50 | 64 | 63 | 63 | 63 | 63 | 48 | 38 | 38 | 45 | 42 | 21 | 42 | 18 | 11 | |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SSW 18 | WNW 10 | WNW 9 | NW 9 | NW 9 | NW 9 | SW 16 | SW 16 | SE 9 | SE 9 | NW 8 | NW 8 | NW 10 | N 12 | SSW 16 | SSW 15 | N 11 | N 11 | N 11 | N 11 | N 11 | W 12 |
79 | 79 | 30 | 9 | 8 | 3 | 3 | 3 | 66 | 64 | 3 | 3 | 3 | 3 | 4 | 3 | 47 | 47 | 10 | 10 | 9 | 9 | 9 | 11 | |
Wind waves Height (m) Direction Period (s) | — | — | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
— | — | 299 | 279 | 271 | 228 | 223 | 223 | 368 | 364 | 246 | 252 | 291 | 289 | 297 | 298 | 454 | 422 | 297 | 297 | 289 | 333 | 324 | 318 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 31 | 31 | 39 | 39 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 7 | 1 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












