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Indian River Lagoon at Merritt Island in August 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.

13 pitch-dark nights, 16 dark nights

New moon Mon 2 Aug, Tue 31 Aug · Full moon Tue 17 Aug

Night by night, August 2027

NightMoon20:3021:30Best
Sun 1 Aug 0%●●●●●●●●●●21:30
Mon 2 Aug 1%●●●●●●●●●●21:30
Tue 3 Aug 4%●●●●●●●●●●21:30
Wed 4 Aug 10%●●●●●●●●●●21:30
Thu 5 Aug 18%●●●●●●●●●●21:30
Fri 6 Aug 28%●●●●●●●●●●21:30
Sat 7 Aug 38%●●●●●●●●●●21:30
Sun 8 Aug 49%●●●●●●●●●●21:30
Mon 9 Aug 59%●●●●●●●●●●21:30
Tue 10 Aug 69%●●●●●●●●●●21:30
Wed 11 Aug 78%●●●●●●●●●●21:30
Thu 12 Aug 85%●●●●●●●●●●21:30
Fri 13 Aug 91%●●●●●●●●●●21:30
Sat 14 Aug 96%●●●●●●●●●●20:30
Sun 15 Aug 99%●●●●●●●●●●20:30
Mon 16 Aug 100%●●●●●●●●●●20:30
Tue 17 Aug 99%●●●●●●●●●●20:30
Wed 18 Aug 97%●●●●●●●●●●20:30
Thu 19 Aug 93%●●●●●●●●●●20:30
Fri 20 Aug 87%●●●●●●●●●●20:30
Sat 21 Aug 79%●●●●●●●●●●20:30
Sun 22 Aug 70%●●●●●●●●●●21:30
Mon 23 Aug 59%●●●●●●●●●●21:30
Tue 24 Aug 48%●●●●●●●●●●21:30
Wed 25 Aug 37%●●●●●●●●●●21:30
Thu 26 Aug 26%●●●●●●●●●●21:30
Fri 27 Aug 17%●●●●●●●●●●21:30
Sat 28 Aug 9%●●●●●●●●●●21:30
Sun 29 Aug 3%●●●●●●●●●●21:30
Mon 30 Aug 0%●●●●●●●●●●21:30
Tue 31 Aug 0%●●●●●●●●●●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 August 2027?

The darkest nights are Sun 1 Aug, Mon 2 Aug, Tue 3 Aug, Wed 4 Aug, Mon 23 Aug, Tue 24 Aug, Wed 25 Aug, Thu 26 Aug, Fri 27 Aug, Sat 28 Aug and more. 16 of 31 nights score at least 4 out of 5.

Which nights should I avoid in August 2027?

Avoid the nights around the full moon on Tue 17 Aug, when moonlight washes out the glow.

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

20:30 is the darker choice on 2 nights; 21:30 is the darker choice on 17 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).