Based on 106 dive log entries written in January by our staff since 2007, here is what the sea around Sado is usually like in January.

- Water temperature
- 12 to 13°C (from 88 records; median 12°C, lowest 9°C, highest 14°C)
- Visibility
- 10 to 15 m (from 84 records; median 12.2 m)
Dive sites we visited most
- Ogi (71 entries)
- Ryuodo (Ryuo Cave) (44 entries)
- Mushizaki (33 entries)
- Kitakoura (14 entries)
- Kotoura (7 entries)
Marine life seen most often
- ainame (fat greenling) (41 entries)
- chagara (a goby) (37 entries)
- Japanese rockfish (mebaru) (29 entries)
- spear squid (yariika) (28 entries)
- hoteiuo (smooth lumpsucker) (27 entries)
- damselfish (26 entries)
- golden cuttlefish (kouika) (26 entries)
- shiroumiushi (a nudibranch) (24 entries)
- aoumiushi (a nudibranch) (23 entries)
- houzuki fushieragai (a sidegill slug) (21 entries)
Photos from this month
Dive logs from this month
January 31: Ogi (A Beautiful Chagara Dive)
January 21: Ogi (Ainame Have Started Guarding Eggs Again)
January 28: Ogi (Our First Hoteiuo in Years!)
January 9: Katanoo (Beautiful Sabikaramatsu)
January 9: Mushizaki (Village Front & Night Dive)
January 20: Ogi (Oidonma and Ryuodo)
January 21: Ogi (Koma and Ryuodo)
January 9: Kitakoura (Nagate) and Mushizaki (Village Front)
These figures are guides based on what our staff wrote in their dive logs. Conditions vary a lot from year to year and day to day. For the latest conditions, see Sea Conditions.









