Artificial reef
down to 13 m
Hidden gem
Baia Underwater Archaeological Park
Guided dives to the Nymphaeum of Emperor Claudius, the Villa dei Pisoni and Roman mosaic floors lying 4-8 m deep.
- Open Water
- Octopus
Baia (Bay of Naples)
Diving in Italy
Known for crustaceans and octopus.
- Best months
- Jun–Jul, Sep
- Water
- 13–27 °C
- Levels
- Open Water
When to go
Pick a month: the diving season, from published sources, and the typical weather.
Pick a month
- Best
- Good
- Possible
- Closed
- Not documented yet
Baia (Bay of Naples) in October
Good season- Sea
- 23 °C
- at the surface
- Air
- 23 °C
- 16 °C at night
- Rain
- 80 mm
- average for the year
- Wind
- 11 km/h
- on average
Typical weather, not a forecast: averages for 2021–2025 (air, rain, wind) and 2023–2025 (sea), data from Open-Meteo (ERA5 / Copernicus, Météo-France). Covers an area of roughly 10 to 25 km around the destination.
Diving is possible year-round (Napolike); clearest water in June, July and September (shown as best). Water is warmest Jul–Sep and coldest Feb–Mar, when a drysuit is recommended (scubadiving.com), so Dec–Mar is shown as possible. August is shown as good because it is not among the clearest-water months cited; no source discusses August specifically.
The dive
Open Water friendly
usual dive down to 18 m1 siteMarine life
When the big encounters happen, month by month.
Reported here, season not documented yet:
- Crustaceans
- Octopus
Where is Baia (Bay of Naples)?
Baia (Bay of Naples): frequently asked questions
- When is the best time to dive Baia (Bay of Naples)?
- The best months to dive Baia (Bay of Naples) are Jun–Jul, Sep. Diving is possible year-round (Napolike); clearest water in June, July and September (shown as best). Water is warmest Jul–Sep and coldest Feb–Mar, when a drysuit is recommended (scubadiving.com), so Dec–Mar is shown as possible. August is shown as good because it is not among the clearest-water months cited; no source discusses August specifically.
- Is Baia (Bay of Naples) good for beginner divers?
- Yes, partly: 1 of the 1 dive sites we document are suited to Open Water divers, including Baia Underwater Archaeological Park. The others need more experience or a higher certification.
- What is the water temperature in Baia (Bay of Naples)?
- The water is usually between 13 °C and 27 °C over the year.
- What marine life can you see in Baia (Bay of Naples)?
- Divers regularly see crustaceans and octopus.
About this page
Seasons and marine life come from the sources below. Site levels and depths marked as estimated come from our original catalogue and are being checked one by one. Conditions change: always confirm with a local dive centre.
Your next dive is somewhere out there.
Find my next dive tripPhoto credits
- Sunlight and bubbles in deep blue water, Sarah Lee, Unsplash License, on Unsplash