Historical surf replay
Godrevy wave and weather forecasts and weather observations, with Sevenstones offshore and Perranporth inshore wave readings. Each source keeps its own location and role so the view provides coastal context without presenting nearby buoy readings as measurements at the surf break.
There were small to moderate, messy waves: the model showed moderate, well-aligned west swell energy with an 8-second primary period, but cross-onshore northerly wind hindered cleanliness. Observations broadly confirmed the sea state, though periods were shorter at Sevenstones and Perranporth, differently located sites.
Generated from the completed forecast and observations shown on this page.
Day at a glance
Predicted at Godrevy
Wind mostly northerly
N 8°cross-onshore
24 stored hourly values. This is the final stored revision, not necessarily the forecast first issued for the day.
Observed in west Cornwall
Wind mostly northerly
N 7°cross-onshore
24 observations. Godrevy is close enough to provide useful regional wind context for both coasts, although local effects can differ. Explore all weather readings.
Incoming Atlantic swell
24 readings. steady height trend; medium confidence from metoffice. Open the Sevenstones archive.
Nearby north-coast inshore response
48 readings. rising height trend; high confidence from cco. Open the Perranporth archive.
Observed average wind was 2 mph lighter than the last stored forecast.
Forecast: wind mostly northerly; observed: wind mostly northerly.
Observed wind at N 7° was cross-onshore for Godrevy and Gwithian.
These sources describe different locations and exposures. Offshore and inshore buoy readings provide context for St Ives Bay; they are not measurements taken at the surf break itself. Directional labels use Godrevy and Gwithian as a representative north-west-facing swell window; individual peaks and beaches can differ.
The charts share the same time axis so offshore signals, inshore readings and regional wind can be compared without treating them as the same measurement location.
Two line charts show wave height and wind speed through the selected day for St Ives Bay. The detailed table following the charts contains the same values in text form.
| Metric | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Godrevy Primary swell height (ft) | 3.4 | 3.1 | 3.0 | 2.8 | 2.7 | 2.7 | 2.6 | 2.5 | 2.5 | 2.5 | 2.6 | 2.7 | 2.7 | 2.8 | 2.8 | 2.7 | 2.7 | 2.6 | 2.5 | 2.4 | 2.4 | 2.3 | 2.3 | 2.2 |
| Primary swell period (s) | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.2 | 8.2 | 8.1 | 8.1 | 8.1 | 8.1 | 8.0 | 8.0 | 7.9 | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 |
| Primary swell direction | WNW 282° | W 277° | W 276° | W 275° | W 274° | W 274° | W 274° | W 274° | W 275° | W 276° | W 276° | W 277° | W 277° | W 277° | W 277° | W 276° | W 276° | W 276° | W 277° | W 277° | W 277° | W 277° | W 277° | W 277° |
| Godrevy Combined sea height (ft) | 2.5 | 2.8 | 3.0 | 3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.3 | 3.4 | 3.5 | 3.5 | 3.6 | 3.6 | 3.6 | 3.6 | 3.5 | 3.4 | 3.2 |
| Combined sea period (s) | 3.9 | 4.0 | 3.9 | 3.7 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 |
| Combined sea direction | WNW 283° | WNW 289° | WNW 292° | WNW 300° | NW 311° | NW 324° | NNW 335° | NNW 344° | NNW 348° | NNW 347° | NNW 344° | NNW 341° | NNW 339° | NNW 335° | NNW 331° | NNW 329° | NNW 331° | NNW 334° | NNW 337° | NNW 340° | NNW 341° | NNW 340° | NNW 338° | NNW 336° |
| Godrevy forecast weather (3-hourly) | ||||||||||||||||||||||||
| Godrevy forecast wind (mph) | 11N | 13N | 14N | 15N | 16N | 17NNE | 17NNE | 17NNE | 17NNE | 17NNE | 17NNE | 17NNE | 16NNE | 16N | 17N | 17N | 17N | 17N | 17N | 17N | 16N | 15N | 15N | 14N |
| Observed weather | ||||||||||||||||||||||||
| Observed wind (mph) | 9N | 9N | 11N | 12NNE | 15NNE | 13NNE | 14NNE | 14NNE | 14N | 16N | 17N | 16N | 20NNE | 19NNE | 16N | 16N | 15N | 16N | 15N | 16N | 14N | 11N | 11N | 11N |
| Sevenstones Significant wave height (ft) | 3.3 | 3.0 | 3.3 | 3.0 | 3.0 | 3.0 | 3.6 | 3.0 | 3.3 | 3.6 | 3.3 | 3.9 | 3.0 | 2.6 | 3.0 | 3.3 | 3.3 | 3.0 | 3.3 | 3.6 | 3.6 | 3.3 | 3.3 | 3.0 |
| Sevenstones Observed wave period (s) | 6.2 | 6.5 | 6.5 | 6.0 | 7.3 | 6.8 | 6.2 | 6.2 | 5.6 | 5.5 | 5.4 | 5.5 | 5.6 | 5.6 | 6.1 | 6.1 | 6.1 | 6.8 | 6.3 | 5.7 | 5.9 | 5.8 | 5.3 | 5.4 |
| Sevenstones Observed wave direction | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Perranporth Significant wave height (ft) | 2.7 | 2.9 | 3.3 | 3.9 | 4.4 | 4.4 | 4.6 | 4.6 | 4.5 | 4.1 | 3.8 | 3.7 | 3.2 | 2.9 | 3.2 | 3.6 | 3.7 | 4.4 | 4.4 | 4.4 | 4.1 | 4.4 | 3.5 | 3.3 |
| Perranporth Observed wave period (s) | 9.1 | 8.7 | 8.7 | 8.7 | 4.9 | 5.3 | 5.4 | 5.6 | 5.4 | 5.4 | 5.4 | 5.3 | 5.1 | 5.1 | 4.9 | 4.9 | 5.4 | 5.4 | 5.6 | 5.4 | 5.4 | 5.4 | 5.6 | 5.3 |
| Perranporth Observed wave direction | NW 305° | WNW 284° | WNW 283° | WNW 300° | NW 315° | NNW 330° | NNW 338° | NNW 338° | N 354° | NNW 330° | NNW 342° | NNW 338° | NNW 339° | NW 309° | NNW 335° | NW 309° | WNW 301° | NW 326° | NW 315° | NNW 342° | N 350° | NW 315° | WNW 283° | WNW 302° |
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