Coastal Flood Watch

* WHAT...Significant coastal flooding.

* WHERE...Guam, Rota, Tinian and Saipan.

* WHEN...Through late Tuesday night.

* IMPACTS...Some roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Shoreline erosion may occur.

* ADDITIONAL DETAILS....Inundation will vary over the Marianas, on the outer edges of the storm, inundation could be as low as to 2 feet, near the eye wall inundation could reach up to 16 to 19 feet.