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Indian River Lagoon at Merritt Island in March 2027: darkest nights

Kayak tours from Haulover Canal. Manatees and dolphins light up the water as they move. Dinoflagellates June to September; comb jellies glow in winter.

19 pitch-dark nights, 20 dark nights

New moon Mon 8 Mar · Full moon Mon 22 Mar

Night by night, March 2027

NightMoon20:3021:30Best
Mon 1 Mar 32%●●●●●●●●●●20:30
Tue 2 Mar 24%●●●●●●●●●●20:30
Wed 3 Mar 16%●●●●●●●●●●20:30
Thu 4 Mar 10%●●●●●●●●●●20:30
Fri 5 Mar 5%●●●●●●●●●●20:30
Sat 6 Mar 2%●●●●●●●●●●20:30
Sun 7 Mar 0%●●●●●●●●●●20:30
Mon 8 Mar 1%●●●●●●●●●●20:30
Tue 9 Mar 3%●●●●●●●●●●20:30
Wed 10 Mar 8%●●●●●●●●●●21:30
Thu 11 Mar 15%●●●●●●●●●●21:30
Fri 12 Mar 24%●●●●●●●●●●21:30
Sat 13 Mar 34%●●●●●●●●●●21:30
Sun 14 Mar 45%●●●●●●●●●●21:30
Mon 15 Mar 57%●●●●●●●●●●21:30
Tue 16 Mar 68%●●●●●●●●●●21:30
Wed 17 Mar 79%●●●●●●●●●●21:30
Thu 18 Mar 87%●●●●●●●●●●21:30
Fri 19 Mar 94%●●●●●●●●●●21:30
Sat 20 Mar 98%●●●●●●●●●●20:30
Sun 21 Mar 100%●●●●●●●●●●20:30
Mon 22 Mar 99%●●●●●●●●●●20:30
Tue 23 Mar 96%●●●●●●●●●●20:30
Wed 24 Mar 91%●●●●●●●●●●20:30
Thu 25 Mar 84%●●●●●●●●●●21:30
Fri 26 Mar 76%●●●●●●●●●●21:30
Sat 27 Mar 68%●●●●●●●●●●21:30
Sun 28 Mar 58%●●●●●●●●●●21:30
Mon 29 Mar 49%●●●●●●●●●●21:30
Tue 30 Mar 40%●●●●●●●●●●21:30
Wed 31 Mar 31%●●●●●●●●●●21:30

Check one night in detail Indian River Lagoon at Merritt Island tours

Questions

What are the best nights to see the bioluminescence at Indian River Lagoon at Merritt Island 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. 20 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.

20:30 or 21:30: which Indian River Lagoon at Merritt Island tour is darker in March?

20:30 is the darker choice on 11 nights; 21:30 is the darker choice on 11 nights.

Indian River Lagoon at Merritt Island 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/New_York).