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 moderate, mixed-to-messy waves at Godrevy and Gwithian: the WNW swell was well aligned and strong, with an 11.5-second peak period, but cross-onshore winds spoiled cleanliness. Observations at Perranporth confirmed the aligned north-coast response; the 4.5ft model wave height was offshore, not breaking-wave height.
Generated from the completed forecast and observations shown on this page.
Day at a glance
Predicted at Godrevy
Wind backing north-westerly to southerly
WSW 250°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 veering southerly to north-westerly
SW 232°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. falling height trend; medium confidence from metoffice. Open the Sevenstones archive.
Nearby north-coast inshore response
48 readings. falling height trend; high confidence from cco. Open the Perranporth archive.
Observed average wind was 3 mph lighter than the last stored forecast.
Forecast: wind backing north-westerly to southerly; observed: wind veering southerly to north-westerly.
Observed wind at SW 232° 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.
St. Ives high/low predictions show stored UK local times in the hour they occur. Hourly heights marked ≈ are smooth estimates between those events, not official hourly predictions or observed water levels. Event values marked ≈ have approximate or unspecified source precision. A dash means no event or no supported estimate.
| Metric | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Ives tide height, estimated (ft) | Approximately 16.3 | Approximately 15.1 | Approximately 13.1 | Approximately 11.0 | Approximately 9.1 | Approximately 8.0 | Approximately 7.9 | Approximately 8.8 | Approximately 10.5 | Approximately 12.6 | Approximately 14.5 | Approximately 15.7 | Approximately 16.0 | Approximately 15.4 | Approximately 14.2 | Approximately 12.4 | Approximately 10.7 | Approximately 9.2 | Approximately 8.4 | Approximately 8.4 | Approximately 9.3 | Approximately 10.8 | Approximately 12.6 | Approximately 14.2 |
| St. Ives tide (ft) | – | – | – | – | – | Low7.8 | – | – | – | – | – | High16.1 | – | – | – | – | – | – | Low8.3 | – | – | – | – | – |
| Godrevy Primary swell height (ft) | 0.8 | 0.4 | 0.7 | 1.0 | 1.3 | 2.6 | 3.9 | 5.2 | 5.1 | 5.0 | 4.8 | 4.7 | 4.5 | 4.4 | 4.3 | 4.1 | 4.0 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 3.2 | 3.1 |
| Primary swell period (s) | 14.0 | 14.4 | 14.1 | 13.8 | 13.4 | 12.6 | 11.8 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.0 | 10.9 | 10.8 | 10.7 | 10.6 | 10.5 | 10.4 | 10.3 | 10.1 | 10.0 |
| Primary swell direction | WSW 243° | WSW 240° | WSW 243° | WSW 246° | WSW 249° | W 263° | W 276° | WNW 289° | WNW 289° | WNW 289° | WNW 289° | WNW 288° | WNW 288° | WNW 288° | WNW 287° | WNW 286° | WNW 285° | WNW 284° | WNW 283° | WNW 283° | WNW 282° | WNW 281° | W 281° | W 280° |
| Godrevy Combined sea height (ft) | 5.8 | 5.8 | 5.6 | 5.5 | 5.5 | 5.4 | 5.2 | 5.1 | 5.0 | 4.8 | 4.6 | 4.4 | 4.3 | 4.1 | 4.0 | 3.9 | 3.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 3.2 | 3.0 |
| Combined sea period (s) | 5.3 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.8 | 5.9 | 6.0 | 6.1 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 5.9 | 5.7 | 5.4 | 5.3 |
| Combined sea direction | WNW 297° | WNW 297° | WNW 297° | WNW 296° | WNW 296° | WNW 295° | WNW 295° | WNW 295° | WNW 295° | WNW 296° | WNW 296° | WNW 296° | WNW 296° | WNW 296° | WNW 296° | WNW 295° | WNW 294° | WNW 293° | WNW 293° | WNW 292° | WNW 292° | WNW 292° | WNW 292° | WNW 292° |
| Godrevy forecast weather (3-hourly) | ||||||||||||||||||||||||
| Godrevy forecast wind (mph) | 15WNW | 15WNW | 14WNW | 13WNW | 12WNW | 11WNW | 11WNW | 10WNW | 9WNW | 7WNW | 6WNW | 5W | 5WSW | 5SW | 6SW | 6SW | 7SSW | 7SSW | 7S | 6S | 8S | 9S | 10SSE | 10SSE |
| Observed weather | ||||||||||||||||||||||||
| Observed wind (mph) | 11NW | 6W | 7WNW | 8NW | 11NW | 4NW | 4W | 1W | 4S | 4S | 4S | 4WNW | 4W | 7WNW | 10SW | 8SSW | 9S | 8S | 8SSW | 7S | 6S | 5SSE | 7S | 7S |
| Sevenstones Significant wave height (ft) | 6.9 | 7.2 | 7.5 | 7.2 | 7.5 | 6.2 | 7.5 | 6.6 | 6.9 | 6.9 | 6.6 | 5.9 | 6.2 | 5.6 | 5.6 | 5.6 | 4.6 | 5.2 | 4.6 | 5.2 | 4.6 | 4.9 | 4.6 | 3.6 |
| Sevenstones Observed wave period (s) | 8.8 | 8.5 | 8.9 | 8.9 | 9.4 | 8.9 | 9.7 | 8.9 | 9.3 | 9.2 | 9.0 | 8.9 | 8.9 | 8.6 | 8.7 | 8.5 | 7.9 | 9.2 | 8.5 | 8.6 | 8.3 | 8.2 | 8.2 | 7.9 |
| 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) | 7.1 | 6.9 | 6.2 | 6.5 | 6.2 | 6.3 | 5.8 | 5.7 | 5.7 | 6.6 | 6.2 | 5.1 | 5.3 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.2 | 4.0 | 3.8 | 3.9 | 3.6 | 3.6 |
| Perranporth Observed wave period (s) | 7.1 | 8.3 | 11.8 | 12.5 | 11.8 | 13.3 | 12.5 | 13.3 | 12.5 | 10.0 | 11.8 | 10.5 | 13.3 | 12.5 | 12.5 | 11.8 | 11.8 | 12.5 | 11.8 | 10.0 | 8.3 | 11.8 | 11.1 | 11.1 |
| Perranporth Observed wave direction | WNW 281° | W 277° | W 278° | WNW 284° | WNW 290° | NW 304° | WNW 301° | WNW 298° | WNW 288° | WNW 287° | WSW 253° | WNW 286° | WNW 291° | WSW 257° | W 273° | W 270° | WNW 293° | WNW 297° | WNW 291° | WNW 287° | W 278° | WNW 283° | WNW 281° | W 277° |
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