Toyama Bay firefly squid in November 2026: darkest nights
Firefly squid (hotaru-ika) glow as fishermen haul nets before dawn. Sightseeing boats leave around 3 am. March to May only.
16 pitch-dark nights, 17 dark nights
New moon Mon 9 Nov · Full moon Tue 24 Nov
Night by night, November 2026
| Night | Moon | 03:00 | Best |
|---|---|---|---|
| Sun 1 Nov | 54% | ●●●●● | 03:00 |
| Mon 2 Nov | 42% | ●●●●● | 03:00 |
| Tue 3 Nov | 31% | ●●●●● | 03:00 |
| Wed 4 Nov | 21% | ●●●●● | 03:00 |
| Thu 5 Nov | 13% | ●●●●● | 03:00 |
| Fri 6 Nov | 7% | ●●●●● | 03:00 |
| Sat 7 Nov | 3% | ●●●●● | 03:00 |
| Sun 8 Nov | 0% | ●●●●● | 03:00 |
| Mon 9 Nov | 0% | ●●●●● | 03:00 |
| Tue 10 Nov | 2% | ●●●●● | 03:00 |
| Wed 11 Nov | 6% | ●●●●● | 03:00 |
| Thu 12 Nov | 11% | ●●●●● | 03:00 |
| Fri 13 Nov | 17% | ●●●●● | 03:00 |
| Sat 14 Nov | 25% | ●●●●● | 03:00 |
| Sun 15 Nov | 33% | ●●●●● | 03:00 |
| Mon 16 Nov | 43% | ●●●●● | 03:00 |
| Tue 17 Nov | 52% | ●●●●● | 03:00 |
| Wed 18 Nov | 62% | ●●●●● | 03:00 |
| Thu 19 Nov | 72% | ●●●●● | 03:00 |
| Fri 20 Nov | 81% | ●●●●● | 03:00 |
| Sat 21 Nov | 89% | ●●●●● | 03:00 |
| Sun 22 Nov | 95% | ●●●●● | 03:00 |
| Mon 23 Nov | 98% | ●●●●● | 03:00 |
| Tue 24 Nov | 100% | ●●●●● | 03:00 |
| Wed 25 Nov | 99% | ●●●●● | 03:00 |
| Thu 26 Nov | 95% | ●●●●● | 03:00 |
| Fri 27 Nov | 88% | ●●●●● | 03:00 |
| Sat 28 Nov | 80% | ●●●●● | 03:00 |
| Sun 29 Nov | 69% | ●●●●● | 03:00 |
| Mon 30 Nov | 58% | ●●●●● | 03:00 |
Check one night in detail Toyama Bay firefly squid tours
Questions
What are the best nights to see the bioluminescence at Toyama Bay firefly squid in November 2026?
The darkest nights are Thu 5 Nov, Fri 6 Nov, Sat 7 Nov, Sun 8 Nov, Mon 9 Nov, Tue 10 Nov, Wed 11 Nov, Thu 12 Nov, Fri 13 Nov, Sat 14 Nov and more. 17 of 30 nights score at least 4 out of 5.
Which nights should I avoid in November 2026?
Avoid the nights around the full moon on Tue 24 Nov, when moonlight washes out the glow.
Toyama Bay firefly squid darkness by month
Darkness score 1-5 per tour slot from twilight and moonlight. Weather and plankton health are not included. Times are local (Asia/Tokyo).