ブルーシー【Blue Sea】 has about 4.21 million YouTube subscribers as of . Source: the YouTube Data API.
Loading…
ブルーシー【Blue Sea】 has about 4.21 million YouTube subscribers as of . Source: the YouTube Data API.
Next: 5M, likely Sep 2027 to Jan 2028
from 4.2M on Nov 5
from 4.17M on Oct 29
+188M since Oct 29
+21 since Oct 29
Range from the pace over the last 7 days and since Oct 29. It updates daily. Calculated by CountDeck, not from YouTube.
No readings from Nov 1 to Nov 3: dashed lines join readings across gaps.
| Date | Subscribers | Change |
|---|---|---|
| Today so far | ~4.21M+1.4K est. | +1.4K est. |
| Nov 11 | ~4.2M+1.6K est. | +1.6K est. |
| Nov 10 | ~4.2M+1.6K est. | +1.6K est. |
| Nov 9 | ~4.2M+1.6K est. | +1.6K est. |
| Nov 8 | ~4.2M+1.6K est. | +1.6K est. |
| Nov 7 | ~4.2M+1.6K est. | +1.6K est. |
| Nov 6 | ~4.2M+2.7K est. | +2.7K est. |
| Daily average | +2.5K est. | |
| Last 7 days | +12.7K est. | |
YouTube rounds subscriber counts down to 3 significant figures, so they move in steps. Changes marked est. spread each step over the days between steps. — means no reading that day.
Videos that got at least 3× ブルーシー【Blue Sea】’s usual 2.8M views.
Uploads per weekday. Most on Wednesdays, between 12:00 and 15:00 UTC.
From the 50 newest public uploads, read from YouTube once a day. Usual views = the median of those at least 3 days old. Calculated by CountDeck, not from YouTube. Check another channel
A badge with ブルーシー【Blue Sea】’s YouTube subscribers, refreshed hourly, that links here. Free, no signup.
ブルーシー【Blue Sea】 has about 4.21 million YouTube subscribers as of Nov 12, 2026, 22:06 UTC.
+40K subscribers since tracking started on Oct 29, about +12.7K in the last 7 days.
Likely Sep 2027 to Jan 2028, when the count passes 5,000,000. Range from the pace over the last 7 days and since Oct 29. The forecast updates daily. Forecast calculated by CountDeck, not from YouTube.
From the YouTube Data API, re-read at most every 15 minutes while people view this page. Daily gains and the milestone date are calculated by CountDeck from its own readings. CountDeck is not affiliated with YouTube.
YouTube rounds public counts, so this is an estimate (marked ~). Counts are exact on accounts whose owner has verified them in CountDeck.
2
3
4
3
2
2
2
