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Historical surf replay

St Ives Bay surf conditions on Thu, Aug 13, 2026

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.

Day at a glance

Forecast and observations in their coastal context

Predicted at Godrevy

Last stored wave forecast

Primary swell height
2.8–3.5 ft
Primary swell period
9.4–11s
Primary swell direction
W 273°
well aligned with this coast
Combined sea height
2.2–3 ft
Combined sea period
4.5–8s
Combined sea direction
WNW 285°

Wind mostly north-westerly

NW 319°onshore

24 stored hourly values. This is the final stored revision, not necessarily the forecast first issued for the day.

Observed in west Cornwall

Godrevy wind and weather

Wind speed
0–10 mph

Wind backing northerly to westerly

NNW 334°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

Sevenstones

Significant wave height
2.3–4.3 ft
Average period
7.6–10.1s
Reported wave direction
Unavailable
Exposure unavailable

24 readings. rising height trend; medium confidence from metoffice. Open the Sevenstones archive.

Nearby north-coast inshore response

Perranporth

Significant wave height
2–3.6 ft
Peak period
7.4–11.8s
Peak wave direction
W 278°
well aligned with this coast

48 readings. steady height trend; high confidence from cco. Open the Perranporth archive.

How the stored wind forecast compared

Observed average wind was 1 mph lighter than the last stored forecast.

Forecast: wind mostly north-westerly; observed: wind backing northerly to westerly.

Observed wind at NNW 334° was 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.

Hour-by-hour replay

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.

Swell and sea height through the day

Wind speed through the day

Metrics are rows; hours run left to right. Times use your device time zone.
Hourly forecast and observation values
Metric
Godrevy Primary swell height (ft)2.92.92.92.82.82.93.13.23.33.33.43.43.43.53.53.43.43.43.43.43.43.33.33.3
Primary swell period (s)9.59.59.59.49.410.010.511.010.810.710.510.410.310.110.110.09.99.89.89.79.79.69.69.5
Primary swell directionW 268°W 268°W 267°W 267°W 266°W 268°W 270°W 272°W 273°W 274°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°W 275°
Godrevy Combined sea height (ft)2.22.42.42.42.32.32.32.32.32.32.42.62.72.93.02.92.92.72.62.62.62.52.52.5
Combined sea period (s)7.18.08.08.08.07.87.67.46.45.54.54.54.64.64.84.95.15.25.25.35.25.25.25.1
Combined sea directionW 278°W 277°W 278°W 279°WNW 282°WNW 285°WNW 287°WNW 288°WNW 288°WNW 287°WNW 286°WNW 285°WNW 283°WNW 283°WNW 283°WNW 284°WNW 286°WNW 288°WNW 291°WNW 292°WNW 291°WNW 290°WNW 289°WNW 286°
Godrevy forecast weather (3-hourly)
Godrevy forecast wind (mph)3WNW1NNW2NNW3NW4WNW5NW6NW6NW8NW10NNW11NNW11NNW11NNW10NNW10NNW9NNW8NW8NW8NW9NW9WNW9WNW9WNW8WNW
Observed weather
Observed wind (mph)3SSW2W5NE5ENE4NNE0N4WNW3NW4NNW5NW8NNW9N9NNW10NNW10NNW8NNW9NW10NNW9NW9NW8NW5NNW5NNW4NNW
Sevenstones Significant wave height (ft)2.32.62.62.33.03.03.03.03.33.63.64.33.93.64.33.63.33.33.63.33.03.33.03.6
Sevenstones Observed wave period (s)8.78.17.97.67.78.08.27.88.48.89.49.49.49.410.18.78.98.68.78.68.68.88.28.9
Sevenstones Observed wave directionUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailable
Perranporth Significant wave height (ft)2.32.62.62.21.92.32.32.52.62.93.03.43.53.73.53.72.92.93.22.92.92.92.92.9
Perranporth Observed wave period (s)9.59.18.79.18.78.77.410.511.111.110.510.511.19.510.510.09.59.510.510.510.510.510.510.0
Perranporth Observed wave directionW 280°WNW 301°WNW 301°WNW 295°W 274°W 278°W 263°W 274°WNW 288°WNW 287°W 278°W 280°NW 308°WNW 300°W 277°W 271°W 271°WNW 287°W 264°W 278°WSW 257°W 280°W 281°WNW 283°

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