Description
Turns like a surfboard, flies at low speed
The Sonar Surf series is designed for a very low stall speed, effortless pumping and surf-style turning: roll control, stability and agility to draw powerful, tight rail-to-rail turns, with forgiving recovery that gets back up to speed in one or two pumps and makes the most of even the smallest waves. The SF1230 is the largest in the series, with the lowest stall speed.
Area 1230 cm² · Span 930 mm · Aspect ratio 7.1 · Pre-preg carbon
Who it's for
- Prone surf foil, assisted foil, parawing and wave wing riders.
- Anyone looking for surf-style turns and a very low stall speed.
What makes it special
01 With S215 stabilizer
North recommends it with the S215 stabilizer.
02 Very low stall speed
Keeps flying at very low speed.
03 Effortless pumping
Stays in flight with very little pumping.
04 Surf-style turning
Smooth rail-to-rail turns and surf hits on the wave.
05 Forgiving and accessible
Forgives mistakes and helps you progress faster.
Where it shines: freeride wing (riders over 85 kg); wave wing (riders over 85 kg); light-wind wing; wing downwind (riders over 85 kg); paddle downwind (riders over 85 kg); pumping and dock starts; prone surfing in small waves (riders over 85 kg); boat-towed foiling; wakefoil.
Surf series (SF)
| WING | AREA | SPAN | ASPECT RATIO |
|---|---|---|---|
| SF530 | 530 cm² | 750 mm | 10.6 |
| SF680 | 680 cm² | 790 mm | 9.2 |
| SF830 | 830 cm² | 865 mm | 9.0 |
| SF930 | 930 cm² | 900 mm | 8.8 |
| SF1080 | 1080 cm² | 915 mm | 7.8 |
| SF1230 | 1230 cm² | 930 mm | 7.1 |
Official North data for the Surf series (SF); this wing in bold. Check the selector for sizes available in store.
Technology and construction
- Construction: pre-preg carbon: stiffness and direct response.
- Hardware: titanium screws, light and corrosion-free.
- Sonar system: compatible with all Sonar aluminium and carbon fuselages.
- Includes: front wing, cover and F set (3 M8 x 30 screws).
See it in action
Which one to choose?
- Sonar SF1080 (1080 cm²): smaller, faster and looser.
Pair it with: S215 stabilizer, S142 stabilizer, Sonar carbon fuselage and F replacement screws.
Frequently asked questions
Which stabilizer should I use?+
According to North's compatibility chart: S215, S142 (riders over 85 kg) or S192.
Which screws does it come with?+
It comes with the F set (3 M8 x 30 screws). It is mounted with a Torx T40 key and North recommends applying marine grease to the screws every time you assemble it.
Is it compatible with my foil?+
Yes, if you have North's Sonar system: it fits all their aluminium and carbon fuselages.
Which disciplines is it for?+
According to North: freeride wing (riders over 85 kg); wave wing (riders over 85 kg); light-wind wing; wing downwind (riders over 85 kg); paddle downwind (riders over 85 kg); pumping and dock starts; prone surfing in small waves (riders over 85 kg); boat-towed foiling; wakefoil.
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