Best places for mantas in October
20 trip bases match. Ranked for any diver.
Typical values are 1991–2020 averages and our site seasons.
Live switches on 48 hours before your trip. Add a start date under When.
BestGoodPossibleOff seasonYour month
#1IndonesiaDay boat only●●○Medium confidence: 3 sites on Divetip so far - Strength: Mantas: reliable in October (peak April to October)
- Strength: 3 of 3 sites are in season in October
- Strength: Calm seas on almost every day
- Trade-off: Rain on more than half the days
JFMAMJJASOND
Best July to NovemberWhy this match: 38 + 31 + 19 + 8 = 96
Season38 / 38
3 of 3 sites are in season in October; calm on almost every day.
Interests31 / 31
Mantas: reliable in October.
Your level19 / 19
No level picked, so all 3 sites count.
Weather8 / 13
Rain on more than half the days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#2IndonesiaLiveaboard or day boat●●●High confidence: 8 sites, every factor sourced - Strength: Mantas: likely in October
- Strength: 8 of 8 sites are in season in October
- Strength: Calm seas on almost every day
- Trade-off: Rain on more than half the days
JFMAMJJASOND
Best October to AprilWhy this match: 37 + 19 + 19 + 8 = 83
Season37 / 38
8 of 8 sites are in season in October; calm on almost every day.
Interests19 / 31
Mantas: likely in October.
Your level19 / 19
No level picked, so all 8 sites count.
Weather8 / 13
Rain on more than half the days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#3IndonesiaShore or day boat●●○Medium confidence: 3 sites on Divetip so far - Strength: 3 of 3 sites are in season in October
- Strength: Calm seas on almost every day
- Strength: Water 28–29°C in October
- Trade-off: Mantas: possible in October, not reliable
JFMAMJJASOND
Best May to June and October to NovemberWhy this match: 37 + 9 + 19 + 12 = 77
Season37 / 38
3 of 3 sites are in season in October; calm on almost every day.
Interests9 / 31
Mantas: possible in October.
Your level19 / 19
No level picked, so all 3 sites count.
Weather12 / 13
Rain on about 1 day in 10; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#4IndonesiaLiveaboard or day boat●○○Low confidence: Area base: 1 site on Divetip so far - Strength: Mantas: likely in October
- Strength: October is in season here
- Strength: Calm seas on almost every day
- Unknown: Area base: 1 site on Divetip so far
JFMAMJJASOND
Best April to DecemberWhy this match: 37 + 19 + 19 + 11 = 86
Season37 / 38
The site is in season in October; calm on almost every day.
Interests19 / 31
Mantas: likely in October.
Your level19 / 19
No level picked, so all 1 sites count.
Weather11 / 13
Rain on about 1 day in 5; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#5IndonesiaDay boat only●●○Medium confidence: 3 sites on Divetip so far - Strength: 3 of 3 sites are in season in October
- Strength: Calm seas on almost every day
- Strength: Water 29°C in October
- Trade-off: Rain on more than half the days
JFMAMJJASOND
Best April to NovemberWhy this match: 37 + 9 + 19 + 8 = 73
Season37 / 38
3 of 3 sites are in season in October; calm on almost every day.
Interests9 / 31
Mantas: possible in October.
Your level19 / 19
No level picked, so all 3 sites count.
Weather8 / 13
Rain on more than half the days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
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Always check local conditions with your dive centre. Rankings are never paid for. Every month also has its own page: where to dive in October.