Know when and whereto kite
Wyndow helps you decide before you leave home—with ~100 m hyperlocal forecasts at each spot, smart alerts, and Kairos to compare windows in plain language. Plan on desktop or iPad, check on iPhone, glance on your watch.
Forecast for this launch—not the nearest weather grid cell. Wyndow Fusion is included on every plan, not a paid model unlock.
Spot coverage today: Brazil, Canada, Chile, France, Germany, Great Britain, Greece, Hawaii, Israel, Italy, Mexico, Netherlands, Portugal, Puerto Rico, South Africa, Spain, United States, and Zanzibar—rapidly expanding.
Platforms & devices
- Desktop webWide layouts, keyboard & pointer—where maps & dense forecasts breathe
- iPhone (iOS)Native app · portrait & landscape reflow
- iPad (iOS)Trip research, richer panels & split layouts
- Apple WatchBetaGlance at wind & swell on your wrist · all tiers
- EnglishUI & Kairos prompts / replies (EN only today)
Android:no native app yet. We don't tune the web app for small-phone screens—use desktop web or iOS for the experience we design around.
Local tier is free — no card required. Upgrade when you need more regions or Kairos.
Narrowcast · iPhone
Every plan · Wyndow Fusion
Spot-level wind—not beach-level guesswork
Most apps show one value for a whole bay because global models use km-scale grids. Wyndow Fusion sharpens forecasts to about 0.001° (~100 m) where available—ML-enhanced and blended with ICON-EU, ECMWF, GFS, and marine data so shoreline detail can beat coarse cells alone.
- • North vs south side of a lagoon can differ—Fusion is built for that
- • Powers Observations, Narrowcast, and Forecast in the app
- • Kairos, alerts, and widgets read the same spot-level engine
- • Navigator adds compare models & confidence when sources disagree
Model spreadWyndow Fusion, ECMWF, and GFS on one chart—see spread and when models agree before you commit to a session.
Models agree · Chart & table · Navigator
Navigator
Compare models. Read confidence.
The Models agree panel lines up Wyndow Fusion, ECMWF, GFS, and more on the same timeline—chart or table—so you see spread and bias instead of one blended line. Wyndow also surfaces a confidence score from model agreement: higher when models align, lower when they diverge.
See plans
Best monthsAsk Kairos for rideable-wind days and average wind by month—ERA5-based historical stats today, not a live forecast.
Kairos · English only today · Voice or text
Explorer & Navigator · Kairos
Ask Kairos—today's call & trip seasonality
"What are conditions in Guincho?" "With a 7m and a directional, which spot is best?" "What are the best months to kite in Naxos?" Kairos reads Wyndow forecasts for go/no-go—and the same historical wind statistics behind the Travel guide for season planning.
- • Best months, rideable-wind %, and average wind from ERA5-based historical stats
- • Compare two spots for the same window
- • Regional Kairos on Explorer; worldwide trip ranking on Navigator
- • Create alerts from conversation · play replies with text-to-speech
Kairos is on Explorer and Navigator. Local is free for Fusion, alerts, and narrowcast at home spots.
Wind alertsSet speed ranges and pick direction sectors—mandatory or optional per dimension.
Wind speed & direction · Wave direction on map
Spot alerts · Every plan
Alert whenyour window hits
Not just "wind above 15 knots." Set speed ranges, direction sectors, swell, tide, and sky—each mandatory or optional. Wave direction uses a map compass at the spot so offshore vs onshore matters.
- • Drive-time and geofencing—notify when to leave, not only when it's windy
- • Create rules from Kairos or per spot in the app
- • Explorer & Navigator: optional smart summaries & regional digests—fewer pings
Explorer & Navigator
Fewer pings, clearer decisions
Per-spot threshold alerts are useful—but five matching days can mean five notifications. Turn on smart forecast summariesfor one message when several days align: "Thu–Sat look good at your home spots." Add an optional regional digest for a periodic roundup of nearby spots so you choose where to ride without drowning in alerts.
Top pick, strongest wind, best swell, and other spots in the area—one notification in Activity.
See plans
Activity · Regional digest · Explorer & Navigator
Travel tab · All plans
Plan the trip—not just the session
Country and region guides, per-spot travel pages, and historical wind patterns by month—rideable-wind days, speed bands, and best months before you book flights. Schools, lodging, and local POIs near each spot.
Historical monthly wind statistics today use ERA5 reanalysis. We are working on Wyndow Fusion historical data at spot resolution in the future.
- Monthly wind charts and "best months" summaries on every spot travel page
- Country guides—Meltemi notes, regions, practical travel info
- Schools and POIs with distance from the spot—tap through for details
- Same historical stats in Kairos—ask "best months to kite here?" in plain language
Historical windMonth-by-month wind distribution and rideable-wind days—before you book flights.
Historical wind · Country guides · Schools & POIs
Session logEvery ride on a map—distance, duration, spot, and gear. Your private logbook.
Apple Watch or iPhone · GPS tracks · Every plan
Sessions · All plans
Log your lineon the water
Record GPS on Apple Watch (recommended) or iPhone, then review color-coded tracks, distance, and duration tied to the spot you rode. A private logbook for your sessions—not a jump leaderboard or social feed.
- • GPS track on a map with speed along the line
- • Distance, duration, spot, kite, and notes in one place
- • Plan ahead, then compare what you rode to the forecast
- • Share a session card—optional, on your terms
Built for riders who plan—not just record
Trip planners
Choosing between Tarifa, Naxos, or a lagoon day? Historical wind by month, country guides, schools near the spot—and Kairos to rank windows before you pack the car.
Forecast-focused riders
Fusion on every plan, multi-day Forecast on paid tiers, and model compare + confidence on Navigator—when models disagree, you see it.
Desktop & iPad planners
Research trips on desktop web or iPad with maps and dense forecasts—then take Kairos and alerts with you on iPhone. Use another app to record if you like; Wyndow helps you decide whether to go.
iPhone & iPad
Native iOS app—decide at a glance
Narrowcast for today and tomorrow, multi-day Forecast on paid tiers, Activity digests when conditions align, and GPS session logs when you want to see your track after a ride.
- • Wyndow Fusion on Observations, Narrowcast & Forecast
- • Kite Score from wind, swell, tide & spot orientation
- • Record GPS on Apple Watch or iPhone — color-coded tracks in your log
- • Home Screen, Lock Screen & Apple Watch complications
NarrowcastWind, swell, energy, and current tide—today and tomorrow in one scroll.
iPhone 16 Pro Max · App screenshots for illustration
Tide · Every plan
Wind and swell aren't enough at every spot
Tide height, next high/low, and tide-dependent flags sit beside wind and swell in Narrowcast and Forecast—not a separate app. At tide-dependent spots, preferences feed into Kite Score and alerts so you see when the window works, not just when it's windy.
- • Current tide waveform with next high and low
- • Full-day tide curve in multi-day Forecast
- • Tide widget and Watch complications for a quick glance
Narrowcast + tideWind, swell, and current tide in one scroll—next high/low on the waveform.
Narrowcast · Forecast · Tide-dependent spots
iPhone widgets & Watch
Glance at your spot without opening the app
Wind, tide, swell, and a compact forecast strip for your top favorite—on the iPhone Home Screen or Lock Screen. On Apple Watch, add Wyndow complications to Modular Ultra, Infograph, and other faces for the same spot at a glance. Tap through to the full forecast when you need detail.
- • Four iPhone widgets: Wind, Tide, Swell, and Forecast (medium)
- • Lock Screen wind and swell on supported iPhones
- • Watch complications: wind, swell, tide, sun, and app shortcut
- • Syncs from your favorite spots when you open Wyndow
Decide with confidence before you drive to the beach
Planning intelligence for kitesurfers—forecasts, alerts, and Kairos. Not a social feed or jump leaderboard.
Wyndow Fusion
Hyperlocal wind and waves at ~100m, ML-enhanced, on every plan. Powers Observations, Narrowcast, and Forecast—not locked behind a regional-model paywall.
Compare models & confidence
Navigator lines up ICON-EU, ECMWF, GFS, and more for the same spot—then shows a confidence score from model agreement so you know when forecasts are trustworthy and when to wait for the next run.
Kairos — your planning copilot
Ask in plain language: spot conditions, gear-aware spot picks, best months from historical wind stats, or which window is best this weekend. Kairos reads Wyndow forecasts—not generic weather. Explorer: Kairos within your country groups; Navigator: worldwide trip ranking and proactive suggestions. English only today.
Intelligent Kite Score
One score from 0–100—but built from how wind and swell actually combine at each spot: speed, direction relative to shore, gust factor, tide, and safety framing. Not just "is it windy?"
Smart alerts, summaries & digests
Threshold alerts with drive-time awareness. On Explorer and Navigator, roll several matching days into one forecast summary, or get a regional digest when nearby spots light up—fewer pings, clearer go/no-go.
Travel guide & historical wind
Country and region guides, monthly wind charts, best months, and schools or lodging near each spot. Kairos uses the same statistics when you ask about seasonality—not a live forecast. Historical monthly wind statistics today use ERA5 reanalysis. We are working on Wyndow Fusion historical data at spot resolution in the future.
Maps & spot discovery
Explore spots on interactive maps with kite scores at a glance. Find spots within travel time—not just distance—and drill into rich forecasts without a separate weather overlay.
Session log — plan, ride, review your track
Plan upcoming sessions against the forecast, record GPS on Apple Watch on the water, then review your line on a map with distance and duration. Optional calendar export. A logbook for your riding—not a jump leaderboard.
Watch GPS recordingThree steps to a confident call
Fusion at your spot → Kairos or compare → widgets & alerts—without juggling five apps
See your spot at ~100 m
Save favorites and open Observations or Narrowcast—Wyndow Fusion hyperlocal forecasts at each pin, included on every plan. Research on desktop web or iPad—or iPhone on the go.
Compare & ask Kairos
Read kite scores, model compare, and confidence—or ask Kairos which spot and window look best. Kairos reads the same Fusion-backed forecasts—not generic weather.
Glance & get alerted
Home Screen, Lock Screen, and Apple Watch complications sync from your favorites. Threshold alerts and summaries when several days match—without a ping per day.
Glance on Apple Watch (beta)
Wind, swell, tide, and sun complications at your watch-face spot—plus Next session when you plan ahead. Optional GPS recording syncs to your session log. Included on every plan.
Pick your planning depth
Three tiers by job—home spots, regional chasing, and trip planning—not a one-size-fits-all bundle.
Real-time observations (current conditions at each spot) are included for every tier when available.
Wyndow Fusion hyperlocal forecasts are included on Local, Explorer, and Navigator. Paid tiers unlock a longer Forecast horizon; Navigator adds Compare models and confidence from agreement.
Narrowcast is our hourly today-and-tomorrow view (on every plan). Paid tiers unlock the multi-day Forecast tab in the app.
The Apple Watch companion (beta)—complications, session recording, and HealthKit—is included on Local, Explorer, and Navigator. No upgrade required.
Wyndow Fusion on every plan
ML-enhanced hyperlocal forecasts (~100m) blended with ICON-EU, ECMWF, GFS, and marine data—the same engine behind Observations, Narrowcast, and Forecast in the app.
Apple Watch glances on every plan
Complications for wind, swell, tide, and sun at your watch-face spot—plus Next session when you plan ahead. Optional recording syncs to your session log on every tier.
Local
Free
Home spots only—decide if today and tomorrow are worth the drive, with Fusion on every forecast.
€0 / month
- 6 saved spots around home · 3 synced to Apple Watch
- Wyndow Fusion hyperlocal forecasts (~100m, ML-enhanced)
- Narrowcast (today & tomorrow)
- Push & in-app alerts (2 rules)
- 100 km radius from home
- Apple Watch companion (beta)
- GPS session recording on Apple Watch or iPhone — color-coded tracks in your log
Explorer
€9.99 / month
Regional chasing—7-day horizon, Kairos in your regions, smart summaries, digests, and alerts when several days align.
- 12 saved spots · 6 synced to Apple Watch
- Wyndow Fusion hyperlocal forecasts (~100m, ML-enhanced)
- 7-day Forecast
- Advanced alerts (push & in-app)
- Up to 10 enabled alert rules
- Smart forecast summaries (one notification when several days match)
- Optional regional digest (roundup of nearby spots)
- Kairos AI within your country groups (Explorer)
- Access across up to 3 country groups & spot comparison
- Apple Watch companion (beta)
- GPS session recording on Apple Watch or iPhone — color-coded tracks in your log
Navigator
€19.99 / month
Trip planners—worldwide spots, travel guides, model compare, confidence scores, and Kairos ranking.
- 24 saved spots & worldwide access · 12 synced to Apple Watch
- Wyndow Fusion hyperlocal forecasts (~100m, ML-enhanced)
- 15-day Forecast
- Compare weather models for the same spot and window—line up ICON-EU, ECMWF, GFS, and more on one view (Navigator)
- Confidence score from model agreement—higher when models align, lower when they diverge (Navigator)
- Travel guide—historical wind, country guides, schools & POIs
- Kairos AI worldwide—trip planning, seasonality & best-window ranking
- Up to 22 enabled alert rules
- Everything in Explorer, including smart summaries & regional digests
- Apple Watch companion (beta)
- GPS session recording on Apple Watch or iPhone — color-coded tracks in your log
Ready to know before you go?
Start free with Fusion at your home spots. Upgrade when you chase regions or plan trips with Kairos.