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Historical surf replay

Mount's Bay surf conditions on Fri, Jul 10, 2026

Mount's Bay conditions using shared west Cornwall wind observations, Porthleven inshore readings, and offshore signals from Sevenstones and Brittany in the Bay of Biscay. 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

There were small, clean waves at Porthleven, with a well-aligned SW swell averaging 1 ft and a short 5.8-second period. The ENE wind was mostly offshore, averaging 9 mph.

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

Day at a glance

Forecast and observations in their coastal context

Observed in west Cornwall

Godrevy wind and weather

Wind speed
2–18 mph

Wind mostly easterly

ENE 68°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.

Atlantic and Western Approaches signal

Sevenstones

Wave height
2–3 ft
Period
7–8s
Observed wave direction
Unavailable
Exposure unavailable

24 readings.Open the Sevenstones archive.

Bay of Biscay southerly-swell signal

Brittany

Wave height
Unavailable
Period
Unavailable
Observed wave direction
Unavailable
Exposure unavailable

24 readings.Open the Brittany archive.

South-coast inshore response

Porthleven

Wave height
0.8–1.3 ft
Period
4–7s
Observed wave direction
SW 230°
well aligned with this coast

48 readings.Open the Porthleven archive.

These sources describe different locations and exposures. Offshore and inshore buoy readings provide context for Mount's Bay; they are not measurements taken at the surf break itself. Directional labels use Porthleven as a representative south-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 Mount's Bay. The detailed table following the charts contains the same values in text form.

Wave height through the day

Wind speed through the day

Hourly forecast and observation values
TimeObserved windSevenstones heightSevenstones periodSevenstones directionBrittany heightBrittany periodBrittany directionPorthleven heightPorthleven periodPorthleven direction
6 mphNNE2.3 ft8.0sUnavailable– ft–sUnavailable1.0 ft6.0sWSW 242°
6 mphNE2.3 ft7.0sUnavailable– ft–sUnavailable0.9 ft6.0sWSW 245°
6 mphENE2.6 ft7.0sUnavailable– ft–sUnavailable1.0 ft6.0sE 98°
4 mphNE2.6 ft8.0sUnavailable– ft–sUnavailable1.0 ft6.0sSSW 198°
2 mphNNE2.6 ft8.0sUnavailable– ft–sUnavailable0.9 ft7.0sENE 61°
3 mphNNE2.6 ft8.0sUnavailable– ft–sUnavailable0.8 ft7.0sSSE 151°
6 mphENE2.0 ft8.0sUnavailable– ft–sUnavailable0.9 ft7.0sSW 233°
5 mphENE2.3 ft–sUnavailable– ft–sUnavailable0.8 ft7.0sSW 235°
7 mphENE2.3 ft8.0sUnavailable– ft–sUnavailable0.8 ft7.0sWSW 242°
10 mphE2.3 ft8.0sUnavailable– ft–sUnavailable0.8 ft7.0sSSE 165°
14 mphE2.6 ft8.0sUnavailable– ft–sUnavailable0.8 ft5.0sSW 222°
13 mphE2.3 ft8.0sUnavailable– ft–sUnavailable0.9 ft6.0sSW 235°
16 mphE2.6 ft8.0sUnavailable– ft–sUnavailable1.1 ft5.0sSW 233°
16 mphE2.3 ft–sUnavailable– ft–sUnavailable1.1 ft4.0sSW 231°
18 mphESE2.6 ft8.0sUnavailable– ft–sUnavailable1.2 ft5.0sSW 233°
17 mphE2.6 ft8.0sUnavailable– ft–sUnavailable1.3 ft5.0sSW 236°
17 mphE2.6 ft7.0sUnavailable– ft–sUnavailable1.0 ft5.0sSW 235°
14 mphESE3.0 ft8.0sUnavailable– ft–sUnavailable1.0 ft5.0sSW 225°
10 mphESE2.3 ft7.0sUnavailable– ft–sUnavailable1.0 ft5.0sWSW 252°
4 mphE3.0 ft–sUnavailable– ft–sUnavailable1.0 ft6.0sSW 231°
5 mphN2.6 ft8.0sUnavailable– ft–sUnavailable1.0 ft7.0sWSW 246°
6 mphNNE2.6 ft8.0sUnavailable– ft–sUnavailable0.9 ft6.0sWSW 250°
6 mphENE2.3 ft8.0sUnavailable– ft–sUnavailable1.0 ft6.0sSW 233°
4 mphNE2.3 ft8.0sUnavailable– ft–sUnavailable1.1 ft7.0sWSW 242°