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Level 10/10

Avalanche

North Shore, Oahu, USA (HI)
😮‍💨Hold-downs🏝️Remote

Avalanche is a deepwater outer reef near Haleiwa that handles massive swells when the nearshore breaks max out. It offers big wave left-handers in relatively deep water.

3-Day Forecast
Today
30
0
Poor
3.1m
@12s
26km/h
Tue
31
0
Poor
2.8m
@11s
30km/h
Wed
1
0
Poor
2.1m
@11s
24km/h
+7
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Today's Conditions

Swell
3.1m
N(10°)
Score: 2/25
Period
12s
Medium period swell
Score: 4/25
Wind
26km/h
NE(50°)
Score: 1/25
Weather
22°C
0.0mm37%
Windswell Component
1.0mNE@4s
Secondary Swell
0.4mNW
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 23 km/h NE|PM: 28 km/h NE
Lighter winds early (23 km/h)

Location & Conditions

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

Tide Times

1:30 am
High tide - 0.80m
8:18 am
Low tide - 0.32m
2:18 pm
High tide - 0.68m
7:54 pm
Low tide - 0.36m
Times shown in spot-local time.

Strike Score Breakdown

0
Poor
Components
Swell Direction2/25
Swell Size2/25
Swell Period4/25
Wind1/25
Raw Score9/100
Adjustments
🤢 Wind History-21
⚠️ Weak Component-15
📉 Undersized Swell-10
🚫 Undersized Capmax 30
Adjusted Score0/100
Confidence
Multiplier×1.00
Final Score0
🤢 Morning Sickness

Spot Details

Swell Requirements

Optimal direction
NW (315°)
Direction range
290° - 345°
Size range
4.6m - 9.1m
Ideal size
7.1m
Height multiplier
1.08×
Ideal period
18s+

Wind Requirements

Optimal direction
SE (135°)
Offshore range
90° - 180°

Tide Requirements

Optimal tide
all

Water temp

25°C

Wetsuit

Boardshorts / Rashguard

Bottom

Reef

Max wave face

12m+

Board

Gun / Step-up

Consistency

2/10

Difficulty

10/10

Crowd level

2/10

Access: Paddle or tow-in from Haleiwa area.

Best Season

Peak: Nov, Dec, Jan, Feb

Nov-Feb. Deepwater outer reef near Haleiwa. Handles massive swells.

Getting There

Airport
HNL
Drive time
50 min
Boat required
$150
Data quality
community

Strike Log

Community Discussion