Tracking Tropical Storm Isaias: Winds picking up in Martin County

Updated with 5 a.m. Sunday advisory

A weakened and slow-moving Tropical Storm Isaias is lingering off the south Florida coast and the Treasure Coast is no longer under a hurricane warning.

A tropical storm warning is now in place, as is a storm surge warning.

More: Isaias: Roosevelt Bridge in Stuart closed until tropical-storm-force winds subside

The storm is no longer expected to grow to hurricane strength as wind sheer from the west continues to work away at the storm, according to the National Weather Service in Melbourne.

Maximum sustained winds are 65 mph, and the storm is about 75 miles south-southeast of Stuart.

It is moving north-northwest at 9 mph.

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As of 5 a.m., sustained winds in Stuart measured 35-40 mph with gusts up to 50 mph. 

The storm will slowly move over the tri-county area, with the eye possibly passing by the northern Indian River County line around 6 p.m.

While the heaviest rain is expected to stay out in the ocean, the Weather Service said rain totals of at least 2 to 4 inches could be seen.

The next update is expected at 8 a.m.