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La Parguera (Bahía Fosforescente) in March 2027: darkest nights

The only Puerto Rico bio bay where swimming is still allowed on some boat tours. Year-round.

17 pitch-dark nights, 19 dark nights

New moon Mon 8 Mar · Full moon Mon 22 Mar

Night by night, March 2027

NightMoon19:0021:00Best
Mon 1 Mar 32%●●●●●●●●●●21:00
Tue 2 Mar 24%●●●●●●●●●●21:00
Wed 3 Mar 16%●●●●●●●●●●21:00
Thu 4 Mar 10%●●●●●●●●●●21:00
Fri 5 Mar 5%●●●●●●●●●●21:00
Sat 6 Mar 2%●●●●●●●●●●21:00
Sun 7 Mar 0%●●●●●●●●●●21:00
Mon 8 Mar 1%●●●●●●●●●●21:00
Tue 9 Mar 3%●●●●●●●●●●21:00
Wed 10 Mar 8%●●●●●●●●●●21:00
Thu 11 Mar 15%●●●●●●●●●●21:00
Fri 12 Mar 24%●●●●●●●●●●21:00
Sat 13 Mar 34%●●●●●●●●●●21:00
Sun 14 Mar 45%●●●●●●●●●●21:00
Mon 15 Mar 57%●●●●●●●●●●21:00
Tue 16 Mar 69%●●●●●●●●●●21:00
Wed 17 Mar 79%●●●●●●●●●●21:00
Thu 18 Mar 88%●●●●●●●●●●21:00
Fri 19 Mar 94%●●●●●●●●●●21:00
Sat 20 Mar 98%●●●●●●●●●●19:00
Sun 21 Mar 100%●●●●●●●●●●19:00
Mon 22 Mar 99%●●●●●●●●●●19:00
Tue 23 Mar 96%●●●●●●●●●●19:00
Wed 24 Mar 91%●●●●●●●●●●19:00
Thu 25 Mar 84%●●●●●●●●●●21:00
Fri 26 Mar 76%●●●●●●●●●●21:00
Sat 27 Mar 67%●●●●●●●●●●21:00
Sun 28 Mar 58%●●●●●●●●●●21:00
Mon 29 Mar 49%●●●●●●●●●●21:00
Tue 30 Mar 39%●●●●●●●●●●21:00
Wed 31 Mar 30%●●●●●●●●●●21:00

Check one night in detail La Parguera (Bahía Fosforescente) tours

Questions

What are the best nights to see the bioluminescence at La Parguera (Bahía Fosforescente) in March 2027?

The darkest nights are Mon 1 Mar, Tue 2 Mar, Wed 3 Mar, Thu 4 Mar, Fri 5 Mar, Sat 6 Mar, Sun 7 Mar, Mon 8 Mar, Tue 9 Mar, Wed 10 Mar and more. 19 of 31 nights score at least 4 out of 5.

Which nights should I avoid in March 2027?

Avoid the nights around the full moon on Mon 22 Mar, when moonlight washes out the glow.

19:00 or 21:00: which La Parguera (Bahía Fosforescente) tour is darker in March?

19:00 is the darker choice on 1 nights; 21:00 is the darker choice on 20 nights.

La Parguera (Bahía Fosforescente) 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).