FORECAST FOR NEXT THREE DAYS
Confidence level: Confidence level: Weather type –medium. Timing – medium.
A high around 9° Celsius today with a low tonight of about 3° Celsius. Cooler on Thursday and Friday, around 7° Celsius by day down to about 2° Celsius overnight.
WEDNESDAY 22nd: Cool and bright today with scattered showers and sunny spells. The showers becoming more frequent and heavier, possibly with hail, for a time this morning as a F5 W to NW’ly wind increases F5-6 NW’ly and F6-7 by the afternoon. A cold evening and night with frequent and blustery showers, perhaps wintry across the hills and possibly to lower levels in any heavy ones. F6-7 NW’ly winds increasing F7 to gale F8 across exposed coasts and hills.
Sea State: Moderate becoming rough, with a 2 metre W or NW’ly wind-swell turning NW to N’ly and increasing 3 to 4 metres.
THURSDAY 23rd: Cloudy with showers and F6 to gale F8 N to NW’ly winds. The showers becoming less frequent through the afternoon with the winds easing overnight.
Sea State: Mostly rough, with a 3 to 4 metre N’ly wind-swell.
FRIDAY 24th: A more pleasant, drier and brighter day. F2-3 N or NNE’ly winds backing NW’ly.
Sea State: Moderate to rough becoming moderate, with a 2 to 3 metre N or NW’ly wind-swell decreasing 2 metres and turning SW’ly later.
TEN DAY OUTLOOK
Confidence level: Weather type – medium/low. Timing – low/medium.
Cool with temperatures 9° to 11° Celsius by day down to about 4° Celsius overnight.
SATURDAY 25th: Mainly dry and bright with sunny or clear spells and little wind.
Sea State: Mainly slight, with a 1 metre SW to W’ly wind-swell.
SUNDAY 26th: Cloudier with a little patchy rain or drizzle. Milder with light W or NW’ly winds.
Sea State: Perhaps mainly slight, with a 1 metre NW’ly wind-swell turning NE’ly later.
MONDAY 27th – SATURDAY 1st: An occasional shower possible, but perhaps staying mainly dry and bright for much of next week. Light to moderate E to SE’ly winds developing on Monday, backing E’ly by Tuesday then light NE to N’ly for the rest of the week. Feeling milder by day but nights still cool with the risk of a local frost away from coasts.
Sea State on Monday: Possibly mainly slight, with a 1 metre E’ly wind-swell.
This outlook is based on an appraisal of the charts and ensembles from GFS, ECMWF, UKMO and FAX available via the internet, and over 30 years of local weather experience.
Be aware that the weather over north-west Europe - and especially around the Northern Isles - is part of an ever-changing and dynamic system. Therefore regard the 10-Day Outlook' as a guide only - there are times when any outlook going beyond about 36 to 48 hours is likely to prove unreliable.
Always check the latest forecast from the UK Met Office before undertaking any weather-dependant activity.
All forecasts are for planning purposes only.
Neither Dave Wheeler, nor any employee of Fair Isle Weather Services, accepts any liability for the accuracy of this forecast.
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