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Manialtepec Lagoon in October 2027: darkest nights

Swimming in the glowing water is allowed from the boats. Best August to December.

16 pitch-dark nights, 18 dark nights

New moon Fri 29 Oct · Full moon Fri 15 Oct

Night by night, October 2027

NightMoon19:3021:00Best
Fri 1 Oct 6%●●●●●●●●●●19:30
Sat 2 Oct 13%●●●●●●●●●●21:00
Sun 3 Oct 20%●●●●●●●●●●21:00
Mon 4 Oct 29%●●●●●●●●●●21:00
Tue 5 Oct 38%●●●●●●●●●●21:00
Wed 6 Oct 48%●●●●●●●●●●21:00
Thu 7 Oct 57%●●●●●●●●●●21:00
Fri 8 Oct 66%●●●●●●●●●●19:30
Sat 9 Oct 75%●●●●●●●●●●19:30
Sun 10 Oct 83%●●●●●●●●●●19:30
Mon 11 Oct 89%●●●●●●●●●●19:30
Tue 12 Oct 94%●●●●●●●●●●19:30
Wed 13 Oct 98%●●●●●●●●●●19:30
Thu 14 Oct 100%●●●●●●●●●●19:30
Fri 15 Oct 99%●●●●●●●●●●19:30
Sat 16 Oct 97%●●●●●●●●●●19:30
Sun 17 Oct 92%●●●●●●●●●●19:30
Mon 18 Oct 86%●●●●●●●●●●19:30
Tue 19 Oct 77%●●●●●●●●●●19:30
Wed 20 Oct 67%●●●●●●●●●●19:30
Thu 21 Oct 55%●●●●●●●●●●19:30
Fri 22 Oct 43%●●●●●●●●●●19:30
Sat 23 Oct 32%●●●●●●●●●●19:30
Sun 24 Oct 21%●●●●●●●●●●19:30
Mon 25 Oct 13%●●●●●●●●●●19:30
Tue 26 Oct 6%●●●●●●●●●●19:30
Wed 27 Oct 2%●●●●●●●●●●19:30
Thu 28 Oct 0%●●●●●●●●●●19:30
Fri 29 Oct 1%●●●●●●●●●●19:30
Sat 30 Oct 4%●●●●●●●●●●19:30
Sun 31 Oct 9%●●●●●●●●●●21:00

Check one night in detail Manialtepec Lagoon tours

Questions

What are the best nights to see the bioluminescence at Manialtepec Lagoon in October 2027?

The darkest nights are Fri 1 Oct, Sat 2 Oct, Sun 3 Oct, Tue 19 Oct, Wed 20 Oct, Thu 21 Oct, Fri 22 Oct, Sat 23 Oct, Sun 24 Oct, Mon 25 Oct and more. 18 of 31 nights score at least 4 out of 5.

Which nights should I avoid in October 2027?

Avoid the nights around the full moon on Fri 15 Oct, when moonlight washes out the glow.

19:30 or 21:00: which Manialtepec Lagoon tour is darker in October?

19:30 is the darker choice on 14 nights; 21:00 is the darker choice on 5 nights.

Manialtepec Lagoon darkness by month

Darkness score 1-5 per tour slot from twilight and moonlight. Weather and plankton health are not included. Times are local (America/Mexico_City).