A tsunami advisory issued by authorities indicating a relatively small expected tsunami height that nevertheless requires caution and possibly local evacuation (a more severe alert is called a tsunami warning).
沿岸部に津波注意報が出たため、海辺での見物はやめた方がいい。
A tsunami advisory was issued for the coast, so it's better not to go watch at the shoreline.
津波注意報は情報の段階で、状況により津波警報に切り替わることがある。
A tsunami advisory is an informational level and may be upgraded to a tsunami warning depending on the situation.
テレビのテロップで津波注意報が流れたら、最新の地震情報を確認してください。
If a tsunami advisory appears as a TV crawl, check the latest earthquake information.