Gales are expected to reach up to 80mph in north Wales Poor weather conditions are affecting the main transport links across Wales.
Storms overnight have brought localised flooding and lane closures to several arterial routes.
The old M48 Severn Bridge crossing is closed to high vehicles and speed restrictions are in place on the A55 Britannia Bridge at Anglesey and along the South Wales stretch of the M4.
Ferry services are being disrupted due to adverse weather on the Irish sea and storms are expected to hit North Wales.
Wind speeds of 43mph (69.2 kmph) have also been reported in the north and gusts could reach 80mph (129 kmph) later.
Wind speeds are expected to average between 30 and 50mph (48kmph and 80kmph) with gusts of up to 70-80mph (113 kmph- 129kmph) in the north.
Drivers are being urged to take care across the country, with flooding affecting many roads.
Flooding is affecting the A470 in Cardiff, at the Gabalfa roundabout. There has also been an accident northbound near Upper Boat and delays are possible.
The A466 is blocked due to a fallen tree near Trelleck Road at Tintern.
There are also reports of fallen power cables on the A40 eastbound between the B4310 and the B4297.
Flood water is also affecting the junction where the A470 meets the M4 at Junction 32.
One lane is closed due to flooding on the A470 northbound at Treforest and at Nantgarw.
The B4309 at Five Roads, Llanelli, is also partially blocked due to flooding around Rehoboth Road (Heol Rehoboth). Motorists are being advised to approach with care.
There are also reports of flooding and debris on the road on the A472 at Nelson, Caerphilly.
Also rain is causing problems with visibility on the M4 at Junction 23(Magor) and at Junction 49 (Pont Abraham roundabout).
Fire crews have been called to assist at several incidents of localised flooding.
Householders in the Brithweunydd area of Trealaw are receiving help pumping out flood water,
Firefighters are also at a house in Perthcelyn, Mountain Ash following a call at 6.30am.
Traffic Wales cameras show that matrix signs are set to 30mph on the A55 Britannia Bridge, due to the strong gusts between J8A A5 Ffordd Caergybi / Holyhead Road and J9 A487 (Treborth).
On the M48 Severn Bridge Westbound the main carriageway is closed to high vehicles and HGVs due to strong winds at J1 A403 / B4461 (Aust) in both directions but the bridge remains open.
High-sided vehicles are asked to find an alternative route and a diversion is in place via the slip roads,
The 10:00 and Stena Line services between Holyhead and Dun Laoghaire and the 13:15 between Dun Laoghaire and Holyhead have been cancelled due to adverse weather conditions.
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