Skip to content
Surfhog home

Historical surf replay

St Ives Bay surf conditions on Wed, Sep 2, 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
0.2–2.8 ft
Primary swell period
7.9–15.6s
Primary swell direction
WSW 248°
angled into this coast
Combined sea height
2.2–4.8 ft
Combined sea period
3.3–4.5s
Combined sea direction
W 273°

Wind mostly south-westerly

SW 226°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

Godrevy wind and weather

Wind speed
Unavailable

Wind direction unavailable

UnavailableWind orientation unavailable

0 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
2.3–4.9 ft
Average period
5.5–6.7s
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
2–5.2 ft
Peak period
5.6–8.3s
Peak wave direction
W 270°
well aligned with this coast

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

How the stored wind forecast compared

There is not enough overlapping forecast and observed wind data for a daily comparison.

Forecast: wind mostly south-westerly; observed: wind direction unavailable.

Observed wind at Unavailable was Wind orientation unavailable 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 11.9Approximately 7.8Approximately 4.9Approximately 3.7Approximately 4.7Approximately 7.7Approximately 11.9Approximately 16.1Approximately 19.1Approximately 20.1Approximately 19.0Approximately 16.4Approximately 12.8Approximately 9.1Approximately 6.1Approximately 4.5Approximately 4.9Approximately 7.1Approximately 10.8Approximately 14.8Approximately 18.1Approximately 19.8Approximately 19.5Approximately 17.6
St. Ives tide (ft)
Low3.7
High20.1
Low4.4
High19.9
Godrevy Primary swell height (ft)2.12.82.11.50.80.91.01.00.80.50.20.20.30.30.30.30.30.30.30.30.30.30.30.3
Primary swell period (s)10.17.99.912.014.113.613.112.613.614.615.615.615.615.515.515.415.415.315.215.115.115.014.914.8
Primary swell directionW 267°W 273°W 265°WSW 257°WSW 249°WSW 250°WSW 250°WSW 251°WSW 249°WSW 247°WSW 245°WSW 244°WSW 243°WSW 243°WSW 242°WSW 241°WSW 240°WSW 240°WSW 241°WSW 242°WSW 242°WSW 242°WSW 243°WSW 243°
Godrevy Combined sea height (ft)2.22.32.52.62.82.92.93.13.33.43.63.73.94.14.44.64.74.84.84.74.64.54.64.6
Combined sea period (s)3.73.73.63.43.33.33.33.43.53.73.94.14.24.34.34.44.44.54.54.54.54.54.54.5
Combined sea directionWNW 284°W 281°W 278°W 275°W 274°W 275°W 275°W 271°W 267°W 265°W 265°W 265°W 266°W 267°W 268°W 269°W 270°W 272°W 274°W 276°W 277°W 278°W 278°W 278°
Godrevy forecast weather (3-hourly)
Godrevy forecast wind (mph)11SW12SSW14SSW15SSW16SSW18SSW20SSW22SSW21SSW21SSW20SW20SW20SW20WSW20WSW20WSW19WSW19WSW18WSW17WSW18WSW18WSW18WSW18WSW
Observed wind (mph)
Sevenstones Significant wave height (ft)2.32.32.32.32.63.03.03.03.64.34.64.64.94.64.64.64.64.94.94.34.94.63.94.6
Sevenstones Observed wave period (s)6.56.36.26.36.36.05.75.55.66.15.86.16.76.76.46.76.36.66.46.36.66.56.36.3
Sevenstones Observed wave directionUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailableUnavailable
Perranporth Significant wave height (ft)2.42.62.22.32.42.82.62.92.93.13.84.44.44.54.75.15.04.94.54.44.44.64.54.5
Perranporth Observed wave period (s)6.97.16.57.48.07.46.57.16.16.16.76.97.77.77.48.08.07.48.08.07.78.08.08.3
Perranporth Observed wave directionW 280°W 273°W 276°W 280°W 280°W 274°W 273°W 270°W 273°WSW 256°W 266°W 264°W 271°W 267°W 266°W 267°W 266°WSW 257°W 263°WSW 256°WSW 248°W 273°W 270°W 278°

Swipe sideways to see more hours.