Reef
left
Level 7/10

Cannons

North Shore, Kauai, USA
🪸Sharp reef⚠️Shallow👊Localism

Cannons is the equally hollow and shallow left on the other side of Ha'ena Bay from Tunnels. A shorter paddle than its neighbor, it delivers powerful barrels in a breathtaking setting. Very localized.

10-Day Forecast
Sat8
0
Poor
0.7m@7s
16km/h
Today9
0
Poor
1.0m@8s
16km/h
Mon10
0
Poor
1.2m@7s
15km/h
Tue11
0
Poor
0.9m@6s
16km/h
Wed12
0
Poor
0.8m@7s
17km/h
Thu13
0
Poor
0.7m@8s
19km/h
Fri14
0
Poor
0.9m@9s
22km/h
Sat15
0
Poor
0.8m@10s
29km/h
Sun16
0
Poor
1.6m@9s
16km/h
Mon17
0
Poor
1.6m@7s
18km/h
Choppy 5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 11 km/h · PM 18 km/h
Swell
0.7m
ENE(57°)
Score: 2/25
Period
7s
Short period / windswell
Score: 2/25
Wind
16km/h
E(87°)
Score: 1/25
Weather
27°C
0.0mm74%
First light 5:43amSunrise 6:13amSunset 7:14pmLast light 7:44pm
Windswell0.8m@3sSecondary0.4mConfidence
100%

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 7:09–9:29am · risingStrike window: 4:11–7:44pm · droppingIdeal tide: mid
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
24°
26°
29°
28°
26°
24°
26°
27°
27°
25°
24°
26°
27°
26°
25°
24°
26°
28°
29°
26°
24°
26°
28°
28°
25°
24°
25°
27°
27°
26°
24°
25°
27°
28°
26°
25°
26°
27°
27°
26°
26°
27°
27°
27°
26°
24°
25°
27°
27°
25°
2m1.0
sec
5s
5s
7s
9s
9s
7s
7s
8s
8s
8s
6s
7s
7s
7s
7s
6s
6s
7s
7s
7s
6s
7s
8s
8s
8s
8s
8s
8s
8s
8s
9s
8s
9s
10s
10s
10s
10s
10s
10s
8s
9s
9s
9s
8s
8s
9s
7s
7s
7s
7s
swell
windkm/h
10g31
13g37
18g51
20g58
17g49
11g32
15g43
17g49
17g51
17g48
10g27
13g36
17g48
17g49
16g47
14g37
14g40
17g48
18g52
17g49
14g36
15g45
19g56
20g58
17g57
16g45
17g49
21g60
21g62
20g62
20g59
22g63
22g65
22g67
22g68
29g84
29g93
30g109
29g115
25g105
18g60
17g55
15g52
15g50
17g51
19g54
19g55
19g58
18g58
16g56
tidem
3:30am0.1m
12:45pm0.7m
5:00am0.1m
1:20pm0.8m
9:30pm0.3m
5:50am0.0m
1:54pm0.8m
9:30pm0.3m
6:50am0.0m
2:30pm0.8m
9:45pm0.2m
1:30am0.3m
7:30am0.0m
3:00pm0.7m
9:50pm0.2m
2:15am0.4m
8:06am0.1m
3:30pm0.7m
10:15pm0.2m
3:15am0.4m
8:50am0.1m
3:42pm0.6m
10:30pm0.2m
4:00am0.4m
9:30am0.2m
4:00pm0.6m
5:10am0.5m
10:10am0.3m
4:10pm0.5m
6:10am0.5m
11:00am0.4m
Ideal tide (from tide preference)Strike windowNight

Tide times today

3:30 am
Low tide - 0.09m
12:45 pm
High tide - 0.74m
Times shown in spot-local time.

Strike Score Breakdown

0
Poor
Components
Swell Direction0/25
Swell Size2/25
Swell Period2/25
Wind1/25
Raw Score5/100
Adjustments
🌊💨 Windswell-7
💨 Gusty Wind-5
⚠️ Weak Component-15
📉 Undersized Swell-11
⚖️ Penalty Stack Cap+13
🚫 Undersized Capmax 30
Adjusted Score0/100
Confidence
Multiplier×1.00
Final Score0
🌊💨 Windswell👥 Summer Break

Plan Your Strike

Return flights to LIH, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
NNW (330°)
Direction range
300° - 360°
Size range
1.2m - 3m
Ideal size
2.5m
Height multiplier
0.97×
Ideal period
14s+

Wind Requirements

Optimal direction
SSW (200°)
Offshore range
190° - 250°

Tide Requirements

Optimal tide
mid

Water temp

25°C

Wetsuit

Boardshorts / Rashguard

Bottom

Reef

Max wave face

4m+

Board

Shortboard

Consistency

6/10

Difficulty

7/10

Crowd level

4/10

👥 Summer Break (Jun 15Aug 25) — expect extra crowds

Access: Beach access at Ha'ena Beach Park. Shorter paddle than Tunnels.

Frequently Asked Questions

What tide is best at Cannons?

Cannons works best on a mid tide. The tide chart above shows today’s strike window.

What wind direction is offshore at Cannons?

Offshore wind at Cannons blows from the SSW (200°). Anything in the 190° to 250° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Cannons?

Cannons wants NNW swell (300° to 360°) between 1.2m and 3m, with a period of 14s or more for quality waves.

When is the best time of year to surf Cannons?

The main season at Cannons is Nov, Dec, Jan, Feb, Mar. Nov-Mar. Other side of Ha'ena Bay from Tunnels. Equally hollow left.

How do I get to Cannons?

Fly into LIH, then allow about 45 minutes by road. Beach access at Ha'ena Beach Park. Shorter paddle than Tunnels.

What kind of wave is Cannons?

Cannons is a reef break, a left-hander over a reef bottom. Difficulty is rated 7/10.

Best Season

Peak: Nov, Dec, Jan, Feb, Mar

Nov-Mar. Other side of Ha'ena Bay from Tunnels. Equally hollow left.

Getting There

Airport
LIH
Drive time
45 min
Data quality
verified

Strike Log

Community Discussion