haroukeihou ni oujite, shukuhakuenchou o suru.

I extend my overnight stay according to the high-wave warning.

Breakdown of haroukeihou ni oujite, shukuhakuenchou o suru.

• を: direct object particle
• する: to do
• 〜に 応おうじて: in accordance with a criterion

Questions & Answers about haroukeihou ni oujite, shukuhakuenchou o suru.

What is the reading of 波浪警報に応じて、宿泊延長をする。?

A natural reading is:

はろうけいほう に おうじて、しゅくはくえんちょう を する。

Word by word:

• 波浪警報 = はろうけいほう = high wave warning / wave warning
• に応じて = におうじて = in response to / according to
• 宿泊延長 = しゅくはくえんちょう = extension of a stay / lodging extension
• をする = to do / carry out

What does に応じて mean here?

に応じて means something like:

• in response to
• according to
• depending on
• in accordance with

In this sentence, it means the action is taken because of or in response to the wave warning.

So the nuance is not just simple cause-and-effect like because there is a warning. It suggests adjusting one’s action to match the situation.

Why is the particle に used after 波浪警報?

In A に応じて, the に marks the thing that the response is based on.

So:

• 波浪警報に応じて = in response to the wave warning

This pattern is fixed:

• 状況に応じて = according to the situation
• 年齢に応じて = according to age
• 必要に応じて = as needed

So the に is not random; it is part of the grammar pattern N に応じて.