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Indian River Lagoon at Merritt Island in April 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.

17 pitch-dark nights, 18 dark nights

New moon Tue 6 Apr · Full moon Tue 20 Apr

Night by night, April 2027

NightMoon20:3021:30Best
Thu 1 Apr 22%●●●●●●●●●●21:30
Fri 2 Apr 15%●●●●●●●●●●21:30
Sat 3 Apr 9%●●●●●●●●●●21:30
Sun 4 Apr 4%●●●●●●●●●●21:30
Mon 5 Apr 1%●●●●●●●●●●21:30
Tue 6 Apr 0%●●●●●●●●●●21:30
Wed 7 Apr 2%●●●●●●●●●●21:30
Thu 8 Apr 5%●●●●●●●●●●21:30
Fri 9 Apr 11%●●●●●●●●●●21:30
Sat 10 Apr 20%●●●●●●●●●●21:30
Sun 11 Apr 30%●●●●●●●●●●21:30
Mon 12 Apr 41%●●●●●●●●●●21:30
Tue 13 Apr 53%●●●●●●●●●●21:30
Wed 14 Apr 64%●●●●●●●●●●21:30
Thu 15 Apr 75%●●●●●●●●●●21:30
Fri 16 Apr 85%●●●●●●●●●●21:30
Sat 17 Apr 92%●●●●●●●●●●21:30
Sun 18 Apr 97%●●●●●●●●●●21:30
Mon 19 Apr 99%●●●●●●●●●●20:30
Tue 20 Apr 100%●●●●●●●●●●20:30
Wed 21 Apr 98%●●●●●●●●●●20:30
Thu 22 Apr 94%●●●●●●●●●●20:30
Fri 23 Apr 89%●●●●●●●●●●21:30
Sat 24 Apr 82%●●●●●●●●●●21:30
Sun 25 Apr 74%●●●●●●●●●●21:30
Mon 26 Apr 66%●●●●●●●●●●21:30
Tue 27 Apr 56%●●●●●●●●●●21:30
Wed 28 Apr 47%●●●●●●●●●●21:30
Thu 29 Apr 38%●●●●●●●●●●21:30
Fri 30 Apr 28%●●●●●●●●●●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 April 2027?

The darkest nights are Thu 1 Apr, Fri 2 Apr, Sat 3 Apr, Sun 4 Apr, Mon 5 Apr, Tue 6 Apr, Wed 7 Apr, Thu 8 Apr, Fri 9 Apr, Fri 23 Apr and more. 18 of 30 nights score at least 4 out of 5.

Which nights should I avoid in April 2027?

Avoid the nights around the full moon on Tue 20 Apr, when moonlight washes out the glow.

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

20:30 is the darker choice on 1 nights; 21:30 is the darker choice on 19 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).