Ronaldsway Met Office says flood defences in Douglas and Castletown will be needed tonight.
Forecasters have issued the week's second yellow weather warning about harbour flooding at high tide.
Tonight, the tide will be at its highest just after 1am, and the warning runs from midnight until 3am.
Worst-affected areas will be Douglas, Castletown and Ramsey.
Witnesses sought after pedestrian run over
Police are appealing for witnesses after a pedestrian was run over in Douglas at the weekend.
£578,000 compensation paid by Manx Care since April
Manx Care has paid out more than £120,000 a month in compensation so far this financial year.
Wallaby cull on the cards?
A UK magazine with around half a million readers is asking whether our wild wallabies should be culled.
Latest airport figures show drop in passengers
The number of people travelling through Ronaldsway Airport last month was down almost eight per cent on last August's total.
Firefighters called to Blackberry jam
Firefighters were called to rescue an unlucky pony this morning after it become trapped.
Roadworks on South Quay cause delays for drivers
Roadworks on a major road into Douglas caused big delays for commuters this morning.
Lunchtime weather warning issued for high tide
Forecasters have a yellow weather warning about coastal overtopping today.
Former MHK loses battle with cancer
A well-known former MHK and MLC has died.
