Booking requests, deposit reminders, and weather watching are the easiest of these to hand to a system, because they're really just reading a message or a data feed and acting on a clear rule. An operations system can watch your phone number, email, or booking inbox, check the trip calendar, quote availability and price, and hold or confirm a slot. It can send deposit reminders on a schedule instead of you remembering to text people back, and it can pull a marine forecast each morning, flag a trip that looks marginal, and message the client with the honest odds and a reschedule option before they show up at the dock. What it should not do is make the actual go or no-go call: wind, swell, and local water knowledge are the captain's judgment, and the system is built to hand that decision to you, not make it.
Trip-report content is a marketing engine job: research, writing, and publishing on their own. Give it the day's catch details and a folder of photos, and it can draft a recap post, write captions, and publish it to your social accounts or a blog on a set schedule, so posts go out even on a week where you've fished every day and touched a phone only to text clients. If you run charters for an international crowd, the same engine can push a translated version. It cannot take the photos for you or judge which grip-and-grin from a five-fish day tells the best story. Someone on the boat still needs to shoot and hand over the raw material; the system's job starts once that exists.
Some of this depends on what you already run. If you take deposits through a payment link or a booking tool, an agent can be wired directly into it, guardrails built in, so it acts inside the tools you already use rather than replacing them. If you don't have anything like that yet and want real online booking with payment and calendar sync, that's a bigger build, closer to a small web app, and worth doing properly rather than bolted on. Either way, a person still needs to handle refund disputes, irate customers, and any trip where the right answer isn't obvious from a rule. What something like this costs depends on how much of that manual work you want handed off and how it gets built; we quote per engagement on the value it creates, not by the hour. Worth a conversation if you want to see what applies to your operation specifically.