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Historical surf replay

St Ives Bay surf conditions on Mon, Aug 24, 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.

Surf Day Summary

AI-generated summary. Hog Says

There were little, clean waves at Godrevy and Gwithian: the NW swell was well aligned, but minimal swell energy and a mostly 7-second period kept surf small. Fresh observations broadly confirmed the model, while easterly offshore winds around 13 mph helped keep conditions tidy.

Generated from the completed forecast and observations shown on this page.

Day at a glance

Forecast and observations in their coastal context

Predicted at Godrevy

Last stored wave forecast

Primary swell height
0.6–1.5 ft
Primary swell period
4.2–9.7s
Primary swell direction
NW 317°
well aligned with this coast
Combined sea height
1.4–1.9 ft
Combined sea period
2.4–2.8s
Combined sea direction
N 1°

Wind mostly easterly

E 88°offshore

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
7–24 mph

Wind mostly easterly

E 87°offshore

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
2.3–5.2 ft
Average period
4.9–6.6s
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
0.7–1.6 ft
Peak period
1.8–15.4s
Peak wave direction
NNW 345°
angled into 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 2 mph stronger than the last stored forecast.

Forecast: wind mostly easterly; observed: wind mostly easterly.

Observed wind at E 87° was offshore 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)1.11.21.21.11.11.21.21.21.11.00.90.80.70.60.60.60.60.91.21.51.20.90.60.7
Primary swell period (s)9.49.27.55.84.24.34.34.44.54.54.56.17.79.39.29.19.08.17.16.27.07.98.89.7
Primary swell directionWSW 257°W 261°WNW 292°NW 322°N 353°N 354°N 355°N 356°N 356°N 356°N 356°NNW 329°WNW 302°W 276°W 277°W 277°W 278°NW 312°NNW 345°NNE 19°NNW 345°NW 311°W 278°WNW 285°
Godrevy Combined sea height (ft)1.41.41.41.41.41.51.51.61.61.71.81.91.91.81.81.81.91.91.91.81.81.71.71.6
Combined sea period (s)2.62.72.62.52.42.52.52.52.52.52.62.62.62.72.72.72.62.62.72.72.72.82.82.8
Combined sea directionNW 309°NW 310°NW 311°NW 313°NW 317°NW 325°NNW 331°NNW 335°NNW 344°N 357°NNE 15°NNE 24°NNE 28°NNE 30°NNE 33°NE 37°NE 39°NE 36°NNE 31°NNE 24°NNE 19°NNE 13°N 9°N 5°
Godrevy forecast weather (3-hourly)
Godrevy forecast wind (mph)11ENE12ENE13E13E14E14E14E14E16E17E19E18E18E17E18E18E19E18E16E15E14E13E12E12ENE
Observed weather
Observed wind (mph)8NE7NE11E14E14E13E13E13E16E17E20E23E22E23E23E24E20E21E21E18E16E14E16E17E
Sevenstones Significant wave height (ft)2.63.02.62.32.62.32.62.63.33.33.33.33.63.93.94.34.64.64.64.95.24.63.63.3
Sevenstones Observed wave period (s)5.25.35.25.25.35.24.95.05.15.15.25.55.85.85.96.06.66.46.36.46.26.35.95.8
Sevenstones Observed wave directionUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailable
Perranporth Significant wave height (ft)1.11.11.21.41.61.71.51.21.11.31.21.31.21.21.01.01.00.90.80.80.91.01.11.1
Perranporth Observed wave period (s)4.14.34.44.74.34.34.34.84.41.91.91.91.91.91.81.85.1–4.44.94.74.45.15.3
Perranporth Observed wave directionN 354°NW 322°NW 311°NNW 338°NNW 335°NNW 329°NNW 342°NNW 345°NNW 347°E 101°E 101°SE 128°ESE 103°ESE 105°ESE 103°ESE 103°NNW 336°WSW 249°WNW 292°WNW 302°NW 309°NNW 335°NNW 332°NNW 341°

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