Cannons surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Monday 09 Mar 2026 HST
Forecast 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 slightly warmer than usual)

How big are the waves at Cannons today?

The current surf forecast for Cannons at 6PM is: 0.8m 16s primary swell from a West-northwest direction (forecast issued at 01:00pm March 09). An open ocean swell of 1.7m 10s is not directed at the surf break, a second open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (09 Mar)1.5ft (0.5m)18s
Afternoon (09 Mar)2.5ft (0.7m)17s
Evening (09 Mar)2.5ft (0.8m)16s

Table - waves today at Cannons. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
2
2
2
2
2
2
2
2
2
1
1
1
1
1
2
2
3
3
3
3
3
3
3
2
Swell
Height Map
Wave Height (m) & direction (?)
0.7
WNW
0.7
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.9
WNW
1
WNW
1.1
WNW
1.2
WNW
1.4
W
1.4
W
1.5
W
1.5
W
1.5
W
1.4
W
1.4
W
1.4
W
Period(s) (?)181816161615151514141313131312121211111110101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)276273306295291339309305297217204198242307339380529502546524495416408400
Wind
(km/h)
15
SE
10
SE
5
SE
5
SSE
10
SSE
15
SSE
15
SSE
15
SSE
15
SSE
15
S
15
SSE
20
SSE
20
SSE
15
S
15
S
15
S
15
SSW
15
SSW
15
SSW
15
SSW
15
SSW
15
SSW
15
SSW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffoffoffoffoffoff
High Tide
/ height (m)
8:07PM
0.42
9:41PM
0.43
10:57PM
0.45
Low Tide
/ height (m)
10:54AM
-0.01
11:32AM
0.01
12:57PM
0.03
7:44AM
0.07
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Sunrise-------6:50-------6:50-------6:48
Sunset--6:45-------6:45-------6:45-----
cloud
cloud
part cloud
thunderstorm
thunderstorm
cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
---21------1122223211213
Temp. °C242525242323222325252523232323232626262424242324
Feels °C (?)252627272524232425242423232323232726272424252425
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Kaua'i

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