SeaPeople Weather vs. Windy Premium
Windy charges for this.
We don’t.
0Premium or missing on Windy, free hereof 13 scrolled pastWindySeaPeople Weather
The forecast itself
How far it looks, how fine it steps, and how often it is redrawn.
10-day forecast
PremiumFree tier stops at about a week
FreeEvery model here runs to day 10 — GFS, ECMWF and WeatherNext 3 alike — with a 10-day outlook of where they agree and where they split.
1-hour forecast steps
Premium3-hour steps on the free tier
FreeHourly for the first 48 hours on GFS and WeatherNext 3, then 3-hourly to day 5. Scrub the timeline and the whole field redraws.
Four model updates a day
PremiumSold as “4+ daily updates”
FreeGFS and WeatherNext 3 land four times a day, ECMWF twice. Every run is stamped with when it was taken and when the next one is due.
Higher-resolution maps
Premium“More detailed forecast maps”
FreeWeatherNext 3 on a 0.1° grid — about 11 km — and every pixel is drawn on your device from the real numbers, never a pre-coloured picture.
The models
Whose forecast it is. All of ours, all the time, with the run times on show.
Google DeepMind WeatherNext 3
Not offeredNot on Windy
FreeThe AI model, trained on decades of reanalysis and run on a finer grid than the physics models. An independent second opinion, free.
ECMWF
FreeFree on Windy too
FreeThe European model, widely rated the most skilful global forecast. Days three to ten are its strength.
NOAA GFS
FreeFree on Windy too
FreeThe reference most marine forecasts are built on, with waves and rain beside the wind.
Model comparison
PremiumThe “better Compare Forecast” is Premium
FreeEvery point on the map wears a pill that says whether the models agree, a chart of every model hour by hour, and the worst hour marked in knots apart.
Where the forecast comes from
FreeFree on Windy too
FreeOne tap on the “?” beside the model picker: the organisation, the method, the run you are looking at and when the next one lands. Nothing blended, nothing re-forecast.
Planning a passage
The part of a weather app a sailor actually opens the night before.
Offline weather
Not offeredNot on Windy anymore
FreeDownload the forecast for your passage before the signal goes. The map, every model's numbers and the passage open with no connection, and the page says how old the run is.
Route planner
PremiumPremium, and desktop only
FreeDrop waypoints, drag them, set your boat speed, and read the wind, gust and sea state along every leg. On your phone too.
Departure planner
Not offeredNot on Windy
FreeThe same passage every three hours, under every model, side by side — so “when should I leave” has a table instead of a hunch.
Your own limits
Not offeredNot on Windy
FreeSet the wind and wave you are happy in. Every leg, every departure and every model is scored as time over YOUR limits — never a “go” we have no business saying.
GPX in and out
PremiumLives inside the Premium Route Planner
FreeImport the route from your plotter, export the one you drew back to it. Recorded tracks are simplified on the way in.
Sharing it
A forecast nobody else can see is a forecast you will be explaining on the radio.
Share a passage as a link
PremiumRoute sharing sits with the Premium planner
FreeThe whole route in one readable URL. Paste it in the group chat; whoever opens it gets the same passage, framed, with the forecast live.
Share a passage as a video
Not offeredNot on Windy
FreeThe Route studio records the passage as a clip with the wind moving under your boat, sized for Instagram, TikTok and WhatsApp, with the caption written for you.
Sharing on the web, no app needed
FreeFree on Windy too
FreeEvery link opens in a browser. Nobody has to install anything to see what you are looking at.
The layers
Fair is fair: Windy gives these away too. So do we.
Live wind field
FreeFree on Windy too
FreeParticles moving with the wind, colour by speed, arrows on demand — drawn from the real vectors, so a tap anywhere reads the true number.
Gusts
FreeFree on Windy too
FreeTheir own layer, in knots, from the same run as the wind.
Waves and swell
FreeFree on Windy too
FreeSignificant height in metres or feet, with the sea state read along every route leg.
Rain
FreeFree on Windy too
FreeFrom GFS and from WeatherNext 3, in millimetres or inches.
Pressure, isobars and highs and lows
FreeFree on Windy too
FreeIsobars drawn on the client with the H and L centres marked, to day 5.
Fair is fair
Windy is a superb product and it does things SeaPeople Weather does not. If you need those, you need Windy — and nothing on this page should talk you out of it.
SeaPeople Weatherfreethewind.com12 Nov 2026
10-day forecast$0.00
1-hour forecast steps$0.00
Four model updates a day$0.00
Higher-resolution maps$0.00
Google DeepMind WeatherNext 3$0.00
Model comparison$0.00
Offline weather$0.00
Route planner$0.00
Departure planner$0.00
Your own limits$0.00
GPX in and out$0.00
Share a passage as a link$0.00
Share a passage as a video$0.00
ECMWF$0.00
NOAA GFS$0.00
Where the forecast comes from$0.00
Sharing on the web, no app needed$0.00
Live wind field$0.00
Gusts$0.00
Waves and swell$0.00
Rain$0.00
Pressure, isobars and highs and lows$0.00
Total$0.00
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