FORECAST FOR NEXT THREE DAYS
Confidence level: Weather type – medium. Timing – medium.
Temperatures today 4° or 5° Celsius, down to 2° or 3° this evening. On Saturday and Sunday temperatures ranging from a high of 7° to a low of 4° Celsius.
FRIDAY 3rd: Starting cold with little wind, then another dry, bright and cool day with some sunny or clear spells, though the best of these are more likely to the south of Fair Isle. A S’ly breeze developing later. A fine start to the evening, with a touch of grass frost. This will then lift as S’ly winds freshen F5 and cloud thickens.
Sea State: Becoming moderate to rough overnight, with a 2 to 3 metre S to SW’ly wind-swell.
SATURDAY 4th: Rain, perhaps preceded by sleet or wet snow, arriving soon after dawn with outbreaks of occasionally heavy rain continuing through much of the day. F6-7 S’ly winds increasing gale F8 at times. The rain should clear Orkney during the evening as F6-7 S’ly winds ease F4-5 and veer SW to W’ly.
Sea State: Perhaps rough, with a 3 to 4 metre S to SW’ly wind-swell turning W or NW’ly later.
SUNDAY 5th: The rain clearing Shetland overnight to leave a mostly dry and bright day with sunny or clear spells and scattered showers. F5-6 W to NW’ly winds easing F4-5 later.
Sea State: Perhaps rough, with a 3 to 4 metre W’ly wind-swell.
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TEN DAY OUTLOOK
Confidence level: Weather type – low. Timing – low.
Milder, with temperatures in the daily range around 7° or 8° Celsius by day, falling to 4° or 5° Celsius overnight. Possibly cooler later.
MONDAY 6th: A mainly dry, bright day. Moderate W’ly winds falling light before later freshening S’ly as cloud thickens.
Sea State: Perhaps moderate to rough, with a 2 to 3 metre SW’ly wind-swell.
TUESDAY 7th: Cloudy with outbreaks of rain and a fresh to strong S to SE’ly wind.
Sea State: Perhaps mainly rough, with a 3 to 4 metre S’ly wind-swell.
WEDNESDAY 8th – MONDAY 13th: Rather cloudy and mild at first with rain, heavy at times and accompanied by a S’ly gale on Wednesday. The rain then clearing to showers and strong SW’ly winds. Becoming brighter and mainly dry later. Possibly turning cooler, as easing winds veer W’ly or NW’ly.
Sea State on Wednesday: Possibly rough or very rough, with a 3 to 5 metre S’ly wind-swell.
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DISCLAIMER
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.
Please note that this page is usually updated every day (around mid-morning) but on occasions updates may be irregular. A daily service by e-mail is available, but is charged for.
If you wish you can have the 10-day Outlook
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Please contact Fair Isle Weather Services for further information.
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