Minimum of 14.7C last night, warmest of the year so far.
Already 19.3C at 09:00 BST.

So warm pools of surface water forming now, even well out to sea.

E.g.

Sevenstones yesterday:-

14:00 - 60.6
15:00 - 61.0
16:00 - 61.3
17:00 - 61.2
18:00 - 60.1
19:00 - 61.2

(Not centigrade obviously - I can't be bothered to convert it,
anything 60f is warm)

Warmer in the shallow waters of Mount's Bay.

Graham
Penzance

In message om, Graham
Easterling writes
Minimum of 14.7C last night, warmest of the year so far.
Already 19.3C at 09:00 BST.

So warm pools of surface water forming now, even well out to sea.

E.g.

Sevenstones yesterday:-

14:00 - 60.6
15:00 - 61.0
16:00 - 61.3
17:00 - 61.2
18:00 - 60.1
19:00 - 61.2

(Not centigrade obviously - I can't be bothered to convert it,
anything 60f is warm)

It's surprising how much it fluctuates. It fell from 60.4F at 2300z last
night to 57.2F at 0300z this morning. Back up to 58.5F at 0700z.

Norman.
(delete "thisbit" twice to e-mail)
--
Norman Lynagh Weather Consultancy
Chalfont St Giles 85m a.s.l.
England

Minimum of 14.7C last night, warmest of the year so far.
Already 19.3C at 09:00 BST.

So warm pools of surface water forming now, even well out to sea.

E.g.

Sevenstones yesterday:-

14:00 - 60.6
15:00 - 61.0
16:00 - 61.3
17:00 - 61.2
18:00 - 60.1
19:00 - 61.2

It's surprising how much it fluctuates. It fell from 60.4F at 2300z last
night to 57.2F at 0300z this morning. Back up to 58.5F at 0700z.

Norman.
(delete "thisbit" twice to e-mail)
--
Norman Lynagh Weather Consultancy
Chalfont St Giles 85m a.s.l.
England

Yes, it is unusual. I think it's been so calm that pools of warm water
form, even well out to sea.

However, it looks like the main causes are the strong tidal current
off Land's End.

There was a very sudden drop in temperature around midnight,
coinciding with the tide changing, and a similar drop at mid-day
yesterday (the previous high tide). It then rose quite sharply after
low water this morning.

Graham
Penzance

Graham

Nowhere near as warm a night here, but then again I am 6 miles from the
coast and on the floor of a wide open river valley. It went down to 11.3C
here.

What a day! Absolutely cloudless all day with a lovely sea breeze. Just
before the sea breeze reached here at 12pm the temperature rose to 24.3C but
ever since has been hovering around 22.5 - 23C.

I'm off for a late-afternoon dip in that there briny down in Sidmouth
(hopefully no wetsuit required, but I'll take it just in case).

Currently at 15:45, 22.7C, RH 54%, DP 12.6C, 1016.3 mb (F), Wind 8 mph SSE.
9.6 hours of sunshine so far today.
________________
Nick G
Otter Valley, Devon
83 m amsl
http://www.ottervalley.co.uk