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Know the hour the wind turns on.

Halo blends wind, swell and tide into a session score for your spot, your weight and your quiver.

  • 4,200+spots with live stations
  • 1 kmmodel resolution
  • 16 daysof outlook
Valdevaqueros, Tarifa
Saturday 14 June · Levante
Station updated 4 min ago
NESW
24kn
Gusts 29 kn · from ENE 68° · cross-onshore
Swell
1.2 m · 8 s
High tide
16:42
Sunset
21:41
Wind today · knots, with gust ticksSession score 8.6
Quiver match · 78 kg 7 m 9 m · ideal 12 m
Gust spread warningGusts run 11 kn over the mean after 19:00. Pack it in early or rig down.

Less squinting at arrows. More time on the water.

Raw models tell you wind speed. Halo tells you whether it is worth loading the van, which kite to rig and when to head home.

Session Windows

Every hour gets a 0–10 score built from mean wind, gust spread, direction relative to the beach, swell period and tide state. You set your discipline, weight and gear once; Halo ranks the week so the good days jump out.

Scored against ECMWF, ICON and AROME plus local stations, re-run every 3 hours.

Gust Spread Alerts

A push the moment the gap between mean and gust passes your limit, so a gusty offshore afternoon never catches you on a 12 m.

Default trigger: 8 kn spread, adjustable per spot.

Quiver Match

Tell Halo what is in your bag. It picks the kite or wing for each window, from your weight, board volume and skill level.

Works with kites, wings and windsurf sails.

Passage Mode

For sailors: download GRIB files for a whole coastline before you lose signal and plan legs offline, with tidal gates marked.

Offline coverage up to 600 nm per download.

Trusted on beaches and pontoons

From kite schools in the Strait of Gibraltar to club racers on the Solent.

I run lessons for twelve students a day when the Levante blows. Halo's gust warnings are the reason I now pull beginners off the water twenty minutes before it gets sketchy, not twenty minutes after. It has quietly become the most important tool in my school.

Marta RuizIKO instructor, Escuela Poniente, Tarifa

The tidal gate overlay saved our Round the Island start. We timed Hurst Narrows to the minute and got through before the tide turned.

Tom HewittJ/70 skipper, Royal Lymington YC

Trade winds on Maui look the same every day on most apps. Halo actually catches the afternoon acceleration at Kanaha. Thursday's 9.1 was spot on.

Keoni AkanaWing foiler, Kahului, Hawaii
4.8 on the App Store from 11,400 ratings 180+ kite and sailing schools on Crew

Pick the forecast that fits your season

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Drift

For checking your home spot before work.

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  • 3 saved spots
  • 3-day wind and swell forecast
  • Live station readings
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Rider

For anyone who chases every good day.

€39/ year

or €4.99 billed monthly

  • Unlimited spots, 16-day outlook
  • Session Windows and scoring
  • Gust spread and session alerts
  • Quiver Match for up to 8 items
  • Passage Mode offline GRIBs
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Crew

For schools, clubs and race teams.

€249/ year

Includes 10 seats · €19 per extra seat

  • Everything in Rider
  • Shared spot boards for the beach hut TV
  • Lesson go / no-go sent to students
  • Station data export (CSV)
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