Reef
both
Level 4/10

Chun's Reef

North Shore, Oahu, USA (HI)
🪸Sharp reef

Chun's Reef is the mellow side of the North Shore—a fun reef break that offers longboard-friendly rights without the intensity of its bigger-name neighbors. Accessible and forgiving, it's one of the best spots for intermediate surfers to experience North Shore waves.

3-Day Forecast
Today
29
13
Poor
0.9m
@11s
20km/h
Thu
30
28
Poor
1.2m
@11s
23km/h
Fri
1
0
Poor
1.2m
@11s
23km/h
+7
Unlock

Today's Conditions

Swell
0.9m
NNW(337°)
Score: 7/25
Period
11s
Medium period swell
Score: 8/25
Wind
20km/h
ENE(67°)
Score: 1/25
Weather
25°C
0.1mm21%
Windswell Component
0.6mNE@3s
Secondary Swell
0.5mNNE
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 13 km/h E|PM: 20 km/h ENE
13 km/h vs 20 km/h afternoon

Location & Conditions

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

Tide Times

6:54 am
Low tide - 0.21m
2:06 pm
High tide - 0.76m
8:15 pm
Low tide - 0.42m
Times shown in spot-local time.

Strike Score Breakdown

13
Poor
Components
Swell Direction12/25
Swell Size7/25
Swell Period8/25
Wind1/25
Raw Score28/100
Adjustments
🌊💨 Windswell-3
⚠️ Weak Component-5
📉 Undersized Swell-7
Adjusted Score13/100
Confidence
Multiplier×1.00
Final Score13

Spot Details

Swell Requirements

Optimal direction
NW (315°)
Direction range
300° - 330°
Size range
0.9m - 1.8m
Ideal size
1.6m
Height multiplier
0.97×
Ideal period
14s+

Wind Requirements

Optimal direction
SE (135°)
Offshore range
100° - 170°

Tide Requirements

Optimal tide
mid to high

Water temp

25°C

Wetsuit

Boardshorts / Rashguard

Bottom

Reef

Max wave face

2.5m+

Board

Longboard

Consistency

7/10

Difficulty

4/10

Crowd level

5/10

Access: Beach access.

Best Season

Peak: Nov, Dec, Jan, Feb, Mar

Secondary: Oct

Nov-Mar. Mellower North Shore break good for longboarding.

Getting There

Airport
HNL
Drive time
45 min
Data quality
verified

Strike Log

Community Discussion