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Historical surf replay

St Ives Bay surf conditions on Mon, Sep 7, 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 likely moderate, messy waves at Godrevy and Gwithian: the WNW swell

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
2.9–7.1 ft
Primary swell period
5.8–14.5s
Primary swell direction
W 278°
well aligned with this coast
Combined sea height
2.5–6.1 ft
Combined sea period
4.4–5.5s
Combined sea direction
WNW 287°

Wind mostly westerly

W 260°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
6–14 mph

Wind mostly westerly

W 261°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
3–6.6 ft
Average period
7.5–10.7s
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
2.3–6.9 ft
Peak period
10.5–16.7s
Peak wave direction
W 277°
well aligned with this coast

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

How the stored wind forecast compared

Observed average wind was 6 mph lighter than the last stored forecast.

Forecast: wind mostly westerly; observed: wind mostly westerly.

Observed wind at W 261° 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

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.

Metrics are rows; hours run left to right. Times use your device time zone.
Hourly forecast, observation and tide values
Metric
St. Ives tide height, estimated (ft)Approximately 13.0Approximately 14.7Approximately 15.6Approximately 15.6Approximately 14.6Approximately 13.1Approximately 11.2Approximately 9.5Approximately 8.3Approximately 7.8Approximately 8.4Approximately 10.0Approximately 12.3Approximately 14.6Approximately 16.3Approximately 17.0Approximately 16.5Approximately 14.9Approximately 12.7Approximately 10.3Approximately 8.2Approximately 6.8Approximately 6.5Approximately 7.6
St. Ives tide (ft)
High15.7
Low7.8
High17.0
Low6.5
Godrevy Primary swell height (ft)2.93.24.15.16.06.46.77.17.17.17.16.96.86.66.46.26.15.03.92.92.92.92.93.9
Primary swell period (s)10.412.313.013.714.414.214.013.713.613.513.313.213.012.812.712.612.510.48.26.16.05.95.87.5
Primary swell directionW 273°W 275°W 277°W 279°WNW 282°W 281°W 280°W 280°W 279°W 279°W 279°W 278°W 278°W 277°W 276°W 275°W 275°W 276°W 277°W 278°W 278°W 278°W 278°W 276°
Godrevy Combined sea height (ft)2.52.93.23.43.74.04.34.85.15.45.55.55.55.45.35.35.25.25.35.45.65.86.06.1
Combined sea period (s)4.44.84.95.15.25.25.25.15.25.35.45.55.55.55.55.55.55.45.35.35.35.35.35.4
Combined sea directionWNW 285°WNW 282°WNW 283°WNW 284°WNW 284°WNW 284°WNW 286°WNW 288°WNW 289°WNW 289°WNW 289°WNW 289°WNW 290°WNW 290°WNW 291°WNW 291°WNW 290°WNW 289°WNW 287°WNW 286°WNW 285°WNW 284°WNW 284°WNW 285°
Godrevy forecast weather (3-hourly)
Godrevy forecast wind (mph)13SW12WSW13WSW13WSW13WSW14W15WNW16NW15WNW14WNW13WNW13WNW13W13W14W15WSW16WSW16WSW17WSW18WSW17WSW17WSW16SW16SW
Observed weather
Observed wind (mph)12SW9SW9W6SW7WSW8W9W11NW10NW6NW7WNW10W9WNW10W11W10W10W14WSW12WSW8WSW9SW7SW6SW8WSW
Sevenstones Significant wave height (ft)3.03.03.94.35.24.64.94.95.96.26.25.96.66.25.95.65.25.65.24.95.65.65.95.6
Sevenstones Observed wave period (s)7.57.58.010.010.710.69.39.08.59.08.78.78.68.28.48.88.78.98.87.98.88.47.97.6
Sevenstones Observed wave directionUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailable
Perranporth Significant wave height (ft)2.53.03.43.94.44.14.54.96.36.06.66.36.56.46.05.55.45.25.24.84.85.05.25.4
Perranporth Observed wave period (s)16.715.416.715.415.415.415.415.414.314.313.314.312.513.313.313.313.311.812.511.811.111.812.510.5
Perranporth Observed wave directionWNW 281°W 270°W 277°W 280°WNW 287°WNW 281°W 280°WNW 283°WNW 283°WNW 286°WNW 290°WNW 286°W 270°W 267°W 273°W 278°W 263°W 273°WNW 287°WNW 287°W 278°W 273°W 271°W 274°

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