Cannons Surf Forecast

/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /

USA (1297 breaks) / Lat Long: (22.22° N 159.57° W)

Surf Forecasts:

Cannons surfForecast / HAW – Kaua'i / USA

48hr Weather and Surf, issued 7 am Wednesday 17 Sep 2025 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 27.8° C
(Which is slightly warmer than usual)

How big are the waves at Cannons today?

The current surf forecast for Cannons at 1PM is: 0.4m 9s primary swell from a North-northwest direction (forecast issued at 07:00am September 17). An open ocean swell of 0.1m 9s is not directed at the surf break, a second open ocean swell of 1.2m 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 (17 Sep)	1ft (0.3m)	8s
Afternoon (17 Sep)	1.5ft (0.5m)	9s
Evening (17 Sep)	2.5ft (0.7m)	8s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 17							Thursday 18								Friday 19								Sat 20
	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	2 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	N	N	NNW	NNW	N	N	N	N	N	N	N	N	N	NNE	NNE	N	NNE	N	N	N	ENE	NE	ENE	ENE
Period(s) (?)	8	8	8	9	8	8	8	8	8	8	7	7	7	7	7	9	7	9	9	9	6	6	7	6
Wave Graph (?)
kJ (?)	12	11	14	26	51	48	60	55	55	55	54	54	36	35	33	44	43	58	60	58	96	61	134	137
Wind (km/h)	E	E	E	E	E	E	E	ESE	ESE	ESE	E	E	E	E	E	E	E	E	ENE	ENE	E	E	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross	cross- on	cross- on	cross- on	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)				12:29PM 0.71				12:35AM 0.34				1:07PM 0.69				1:15AM 0.40				1:38PM 0.66				1:52AM 0.46
Low Tide / height (m)	4:38AM 0.06					7:08PM 0.12				5:35AM 0.05				7:25PM 0.11				6:23AM 0.06				7:41PM 0.09

	Wednesday 17							Thursday 18								Friday 19								Sat 20
Sunrise	-	6:24	-	-	-	-	-	-	-	6:24	-	-	-	-	-	-	-	6:26	-	-	-	-	-	-
Sunset	-	-	-	-	6:38	-	-	-	-	-	-	-	6:37	-	-	-	-	-	-	-	6:37	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	1	-	-	-	-	1	2	1
Temp. °C	25	25	27	27	27	26	25	25	25	26	27	28	27	26	25	25	25	25	27	27	27	25	26	25
Feels °C (?)	25	26	27	27	27	26	26	26	25	26	27	27	27	27	25	26	26	26	27	27	28	26	27	26

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for HAW - Kaua'i

Wind Update Continuing clean conditions at Cannons (light winds from the E at Wailua Homesteads wx 26 km from Cannons). 0.4m 8s swell from the N to make surfable waves.
1 hour 22 minutes ago Cannons

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26 km away, 1 h 22 min ago

8 km/h

0.0

27.8

Air / Water (°C)

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