Like The Photo

Mosquito Bay in January 2027: darkest nights

Guinness-listed as the brightest bioluminescent bay in the world. Swimming is banned; tours use clear-bottom kayaks or electric boats. Year-round. Brightest after a few dry, calm nights.

17 pitch-dark nights, 20 dark nights

New moon Thu 7 Jan · Full moon Fri 22 Jan

Night by night, January 2027

NightMoon19:0021:00Best
Fri 1 Jan 27%●●●●●●●●●●21:00
Sat 2 Jan 19%●●●●●●●●●●21:00
Sun 3 Jan 12%●●●●●●●●●●21:00
Mon 4 Jan 7%●●●●●●●●●●21:00
Tue 5 Jan 3%●●●●●●●●●●21:00
Wed 6 Jan 1%●●●●●●●●●●21:00
Thu 7 Jan 0%●●●●●●●●●●21:00
Fri 8 Jan 1%●●●●●●●●●●21:00
Sat 9 Jan 5%●●●●●●●●●●21:00
Sun 10 Jan 10%●●●●●●●●●●21:00
Mon 11 Jan 16%●●●●●●●●●●21:00
Tue 12 Jan 24%●●●●●●●●●●21:00
Wed 13 Jan 34%●●●●●●●●●●21:00
Thu 14 Jan 44%●●●●●●●●●●21:00
Fri 15 Jan 55%●●●●●●●●●●21:00
Sat 16 Jan 66%●●●●●●●●●●21:00
Sun 17 Jan 76%●●●●●●●●●●21:00
Mon 18 Jan 85%●●●●●●●●●●21:00
Tue 19 Jan 93%●●●●●●●●●●21:00
Wed 20 Jan 98%●●●●●●●●●●21:00
Thu 21 Jan 100%●●●●●●●●●●19:00
Fri 22 Jan 99%●●●●●●●●●●19:00
Sat 23 Jan 96%●●●●●●●●●●19:00
Sun 24 Jan 91%●●●●●●●●●●19:00
Mon 25 Jan 83%●●●●●●●●●●19:00
Tue 26 Jan 74%●●●●●●●●●●21:00
Wed 27 Jan 64%●●●●●●●●●●21:00
Thu 28 Jan 54%●●●●●●●●●●21:00
Fri 29 Jan 44%●●●●●●●●●●21:00
Sat 30 Jan 34%●●●●●●●●●●21:00
Sun 31 Jan 25%●●●●●●●●●●21:00

Check one night in detail Mosquito Bay tours

Questions

What are the best nights to see the bioluminescence at Mosquito Bay in January 2027?

The darkest nights are Fri 1 Jan, Sat 2 Jan, Sun 3 Jan, Mon 4 Jan, Tue 5 Jan, Wed 6 Jan, Thu 7 Jan, Fri 8 Jan, Sat 9 Jan, Sun 10 Jan and more. 20 of 31 nights score at least 4 out of 5.

Which nights should I avoid in January 2027?

Avoid the nights around the full moon on Fri 22 Jan, when moonlight washes out the glow.

19:00 or 21:00: which Mosquito Bay tour is darker in January?

19:00 is the darker choice on 2 nights; 21:00 is the darker choice on 19 nights.

Mosquito Bay 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/Puerto_Rico).