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Cannons Surf Forecast
/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Cannons surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Cannons surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cannons sea temperature is
24.8° C
(Which is normal for this time of year)How big are the waves at Cannons today?
The current surf forecast for Cannons at 11PM is: 0.5m 11s primary swell from a Northwest direction (forecast issued at 07:00pm May 18). An open ocean swell of 1.6m 8s 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 May) | - | - |
| Afternoon (18 May) | 1.5ft (0.4m) | 12s |
| Evening (18 May) | 1.5ft (0.5m) | 11s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 25°C on Tue morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 12 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 12 | NW 10 | NW 10 | NW 11 | NW 10 | NW 10 | NW 10 | ENE 8 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | ENE 8 | NNW 10 | NW 10 | |
36 | 63 | 59 | 58 | 84 | 90 | 52 | 87 | 90 | 63 | 106 | 80 | 140 | 62 | 94 | 65 | 65 | 64 | 42 | 34 | 33 | 660 | 19 | 24 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | |
High Tide | 4:45PM0.76m | 3:51AM0.13m | 5:37PM0.73m | 5:03AM0.12m | 6:32PM0.67m | 6:37AM0.13m | ||||||||||||||||||
Low Tide | 00:13AM0.08m | 9:06AM-0.10m | 1:25AM0.07m | 9:55AM-0.05m | 2:25AM0.06m | 10:54AM0.02m | ||||||||||||||||||
 |  |  | | |  | |  | | | | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — |
 | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | 7:13 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | |
Temp °C | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 25 |
25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 22 | 22 | 20 | 20 | 21 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NW 10 | NW 11 | NW 10 | NW 10 | NW 10 | ENE 8 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 |
 kJ | 36 | 341 | 333 | 294 | 251 | 217 | 217 | 87 | 90 | 63 | 106 | 80 | 140 | 62 | 94 | 65 | 65 | 64 | 42 | 34 | 33 | 19 | 19 | 24 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 12 | NW 10 | NNW 14 | NNW 13 | NNW 11 | SSE 9 | NNW 12 | NNW 10 | NW 10 | SSW 14 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 8 | WNW 8 | NW 8 | SE 13 |
| kJ | 19 | 63 | 59 | 58 | 84 | 90 | 52 | 18 | 35 | 47 | 8 | 29 | 63 | 14 | 20 | 13 | 13 | 12 | 12 | 12 | 7 | 7 | 3 | 7 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | NNW 12 | SSW 14 | SSW 14 | NNW 13 | SSW 15 | SSW 15 | NW 10 | NNW 12 | SE 9 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | SW 13 | SW 13 | SE 14 | S 13 |
| kJ | 10 | 18 | 18 | 18 | 18 | 18 | 30 | 19 | 20 | 17 | 21 | 21 | 35 | 29 | 3 | 20 | 19 | 19 | 19 | 3 | 7 | 7 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 7 | ENE 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 9 | E 9 | ENE 8 | E 8 | E 8 |
| kJ | 383 | 470 | — | — | — | — | — | 217 | 212 | 212 | 217 | 251 | 82 | 270 | 309 | 343 | 432 | 461 | 534 | 547 | 603 | 660 | 647 | 647 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 31 | 24 | 31 | 31 | 7 | 24 | 24 | 24 | 31 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 31 | 160 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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