There's been no sea breeze today, and if anything the F1-3 offshore NNE is tending to increase a touch.
As a result, the hottest day of the year (so far) with a maximum of 26.6C. Hottest day since the all time record of 30.3C in August '22.
Maximum of 27.5C at John Chappell's site near Land's End, where the wind's also remained offshore, close to a record for that site.
SST at the Perranporth buoy in with a very gentle onshore wind now 19.2C. 18.0C at the Penzance buoy in a gentle offshore wind
Graham
Penzance