A "Yellow" weather warning for high winds has been issued for this afternoon (Monday February 6) by the Met Office, and several ferry services have already been cancelled.
"It will become very windy through this afternoon. Gusts of 50-60 mph are expected widely with isolated gusts of 65 mph in the north of Northern Ireland and in exposed coastal districts, whilst 70-75 mph gusts are likely in parts of the Western Isles. The forecast for Stornoway is gusts around 40/45 mph."
CalMac Ferries say that: "There is a heightened possibility of disruption to the 14:00 sailing from Stornoway to Ullapool due to forecast of wind gusts exceeding 50 mph."
The 17:30 from Ullapool has been cancelled due to these high wind conditions, as has the overnight freight sailing.
On the Tarbert-Uig route CalMac say for Monday 6th February : "Due to forecast South Easterly winds gusting up to 60 knots, all sailings for this route have been cancelled."
On Tuesday 7th February the following timetable will operate from Harris:
Depart Tarbert: 0730 (This sailing will include traffic from 0730 & 1600 Monday & 1150 Tuesday)
Arrive Uig: 0910
Depart Uig: 0940 (This sailing will include traffic from Monday 0940)
Arrive Lochmaddy: 1125
Depart Lochmaddy: 1150 (This sailing will include traffic from 1150 Monday & 0730 Tuesday)
Arrive Uig: 1335
The following sailings will operate as per timetable:
Depart Uig: 1400 (This sailing will include traffic from 1800 Monday & 1400 Tuesday)
Arrive Lochmaddy: 1545
Depart Lochmaddy: 1610
Arrive Uig: 1755
Depart Uig: 1815 (This sailing will include traffic from 1400 Monday & 0940 from Tuesday)
Arrive Tarbert 1955
The Berneray-Leverburgh ferry service warns of disruption and other ferry services have been cancelled or are on alert for cancellation,