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Jervis Bay in February 2027: darkest nights

Noctiluca blooms turn Hyams Beach and Callala Bay electric blue. Blooms are short-lived. Sporadic blooms, mostly late spring and summer.

15 pitch-dark nights, 17 dark nights

New moon Sun 7 Feb · Full moon Sun 21 Feb

Night by night, February 2027

NightMoon21:0023:00Best
Mon 1 Feb 22%●●●●●●●●●●23:00
Tue 2 Feb 15%●●●●●●●●●●23:00
Wed 3 Feb 9%●●●●●●●●●●23:00
Thu 4 Feb 4%●●●●●●●●●●23:00
Fri 5 Feb 1%●●●●●●●●●●23:00
Sat 6 Feb 0%●●●●●●●●●●23:00
Sun 7 Feb 1%●●●●●●●●●●23:00
Mon 8 Feb 3%●●●●●●●●●●23:00
Tue 9 Feb 8%●●●●●●●●●●23:00
Wed 10 Feb 14%●●●●●●●●●●23:00
Thu 11 Feb 22%●●●●●●●●●●23:00
Fri 12 Feb 32%●●●●●●●●●●23:00
Sat 13 Feb 43%●●●●●●●●●●23:00
Sun 14 Feb 54%●●●●●●●●●●23:00
Mon 15 Feb 66%●●●●●●●●●●23:00
Tue 16 Feb 76%●●●●●●●●●●23:00
Wed 17 Feb 86%●●●●●●●●●●23:00
Thu 18 Feb 93%●●●●●●●●●●21:00
Fri 19 Feb 98%●●●●●●●●●●21:00
Sat 20 Feb 100%●●●●●●●●●●21:00
Sun 21 Feb 99%●●●●●●●●●●21:00
Mon 22 Feb 96%●●●●●●●●●●21:00
Tue 23 Feb 91%●●●●●●●●●●21:00
Wed 24 Feb 84%●●●●●●●●●●21:00
Thu 25 Feb 76%●●●●●●●●●●21:00
Fri 26 Feb 66%●●●●●●●●●●21:00
Sat 27 Feb 57%●●●●●●●●●●21:00
Sun 28 Feb 47%●●●●●●●●●●21:00

Check one night in detail Jervis Bay tours

Questions

What are the best nights to see the bioluminescence at Jervis Bay in February 2027?

The darkest nights are Mon 1 Feb, Tue 2 Feb, Wed 3 Feb, Thu 4 Feb, Fri 5 Feb, Sat 6 Feb, Sun 7 Feb, Mon 8 Feb, Tue 9 Feb, Wed 10 Feb and more. 17 of 28 nights score at least 4 out of 5.

Which nights should I avoid in February 2027?

Avoid the nights around the full moon on Sun 21 Feb, when moonlight washes out the glow.

21:00 or 23:00: which Jervis Bay tour is darker in February?

21:00 is the darker choice on 4 nights; 23:00 is the darker choice on 15 nights.

Jervis 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 (Australia/Sydney).