4th‑Century BCE Naval Scenario Generator

Configure theatre, missions, wind/visibility, and historically plausible fleets of the 4th century BCE (Athenian 2nd League, Spartan, Macedonian, Persian/Phoenician, Rhodian, Syracusan, Carthaginian, Cypriot, Egyptian/Nectanebid, early Diadochi). Outputs a single, printable scenario brief. Distances in yards; oar‑power is primary (sail outside close action).

Environment

Theatre Hellespont / Propontis (grain lanes) Central Aegean (Cyclades / Sporades) Cyprus & Levantine Coast Nile Delta / Coastal Egypt Ionian / Corinthian Gulf Sicily & South Tyrrhenian Narrow Strait / Narrows (e.g., Salamis‑Cyprus style) Open Sea with headlands (lee shore possible) Wind Direction NNEESE SSWWNW Used for lee‑shore notes; sail‑assist only outside contact. Weather / Sea State Dead Calm / Haze (spot 1,200–2,500 yds) Light Breeze • Small Chop (spot 3,000–4,000 yds) Moderate Breeze • Choppy (spot 4,000–5,500 yds) Fresh Breeze • Squally (spot 2,500–3,500 yds) Time of Day Day Dawn / Dusk Night

Missions

Side A — Nationality Athenian (2nd League) Spartan / Corinthian Macedonian (Philip II / Alexander) Achaemenid / Phoenician Rhodian Syracusan Carthaginian Cypriot Egyptian (Nectanebid) Diadochi (Antigonid/Ptolemaic, 320s–301) Side A — Display Name (optional) Side A — Mission Intercept / Force Decision Blockade / Denial Line Convoy Escort Commerce Raid / Destruction Amphibious Cover / Beachhead Support Scout & Disengage

Side B — Nationality Spartan / Corinthian Athenian (2nd League) Macedonian Achaemenid / Phoenician Rhodian Syracusan Carthaginian Cypriot Egyptian (Nectanebid) Diadochi (Antigonid/Ptolemaic, 320s–301) Side B — Display Name (optional) Side B — Mission Intercept / Force Decision Blockade / Denial Line Convoy Escort Commerce Raid / Destruction Amphibious Cover / Beachhead Support Scout & Disengage

Forces

Side A — Fleet Size Small (12–24 ships) Squadron (30–60) Strong Squadron (70–100) Fleet (110–180) Side A — Ship Mix Triremes dominant (70–100%) Mixed with tetreres/quinqueres (≤20%) Light (biremes/pentekonters > triremes) Side B — Fleet Size Small (12–24 ships) Squadron (30–60) Strong Squadron (70–100) Fleet (110–180) Side B — Ship Mix Triremes dominant (70–100%) Mixed with tetreres/quinqueres (≤20%) Light (biremes/pentekonters > triremes) Convoy Present? Auto (if any mission = Escort or Raid) Yes (force convoy) No If convoy: assume 2–8 round ships at ~4–6 kt (grain / supplies); escorts drawn from the escorting side’s totals. Reinforcements (visibility‑gated) None Side A enters T+1h if not yet sighted Side B enters T+1h if not yet sighted Both sides enter T+2h if not yet sighted Scenario Length (hours) 2 hours 3 hours 4 hours Ends early only if separation > visibility is maintained for 30 minutes.

Historical Tactics (optional notes)

Special Terrain / House Rules (optional)

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Scenario Brief

Tips: For Korinthian War set Athenian vs Spartan with trireme‑dominant mixes in the Aegean/Propontis. For Cnidus‑style actions, use Persian/Phoenician fleets. For Salamis (Cyprus) 306‑style, pick Diadochi and allow ≤20% tetreres/quinqueres in a narrow‑strait theatre.