FORECAST FOR NEXT THREE DAYS
Confidence level: Weather type – medium/high. Timing – medium.
Temperatures in the daily range 5° or 6° Celsius by day, down to 0° to 3° Celsius overnight.
FRIDAY 27th: Bright with sunny or clear spells. Orkney will be mostly dry but showers, wintry over the hills, will affect Shetland this morning. F2-3 SW to W’ly winds. Dry through this evening and overnight and, with clear skies and light winds, a widespread frost will develop, leading to icy stretches on untreated surfaces and perhaps a few mist or fog patches over low-lying ground.
Sea State: Moderate to rough, with a 2 to 3 metre NW’ly wind-swell turning SW’ly overnight.
SATURDAY 28th: Another cold start followed by a dry day with clear or sunny spells. However, it will tend to cloud over later as a S to SE’ly wind freshens F5 by evening, possibly with a few showers spreading into Shetland from the east.
Sea State: Moderate becoming moderate to rough, with a 1 to 2 metre S’ly wind-swell turning S’ly and increasing 2 to 3 metres.
SUNDAY 29th: Bright at first but cloud will increase through the day as S to SE’ly winds increase F6 to gale F8. Rain or sleet is likely to edge into Orkney during the evening, extending to Shetland overnight.
Sea State: Moderate to rough becoming rough, with a 2 to 3 metre S to SE’ly wind-swell increasing 3 to 4 metres.
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TEN DAY OUTLOOK
Confidence level: Weather type – low/medium. Timing – low.
Temperatures in the daily range around 6° Celsius by day, falling to 3° or 4° Celsius overnight. Strong winds making it feel colder.
MONDAY 30th: Cloudy with outbreaks of rain, falling as snow over the higher hills. A raw-feeling day with a strong to gale-force S or SE’ly wind.
Sea State: Rough, with a 3 to 4 metre S to SE’ly wind-swell.
TUESDAY 31st: Mainly dry and bright with S’ly winds easing F5 for a time.
Sea State: Rough, with a 3 to 4 metre S’ly wind-swell.
WEDNESDAY 1st – MONDAY 6th: Possibly an even split between strong and cold S to SE’ly winds with wintry showers and strong and less cold S to SW’ly winds bringing cloudy conditions with some rain or showers and. A common theme is that it could well be windy!
Sea State on Wednesday: Possibly moderate to rough, with a 2 to 3 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
e-mailed to you free once a week (usually at the weekend).
Please contact Fair Isle Weather Services for further information.
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