Depends against whom you are protecting yourself. If it’s against

• your younger sibling then it’s probably sufficient
• some script kiddie or scammer running scripts against the most typical setups, might be just obscure enough
• a proper targeted attack, then it will depend on which zip software you are using. Most likely the stock one that might (I didn’t bother checking) relying on something that is far from the state of the art in terms of encryption. In that case it will most likely not be secure.
• a proper attack but you use something like 7z with encryption that is relatively resilient, then most like if you are not facing state actors with huge amount of resources to try to crack it, most likely secure

Note I’m NOT a security expert so… don’t believe me.