聖籠夏海上花火大会
聖籠夏海上花火大会 is a fireworks festival held in Niigata Prefecture. Date: 2026-08-02 (Sun) - first Sunday of August. Total shells: about 約400. Attendance: Not confirmed in the sources checked (2026-10-20 pass). No. 28回（聖籠夏まつり）
Event essentials
Headline stats
- Total Shells
- 約400
- Duration
- 45 min
- Nights
- 1 night(s)
- Attendance
- Not confirmed in the sources checked (2026-10-20 pass)
- Largest Shell
- Not confirmed in the sources checked (2026-10-20 pass)
- Founding Year
- 1997 (Heisei 9) - the Seiro Summer Festival start year back-calculated from the 23rd edition in 2019 and the 28th in 2026. The sea fireworks on their own began in 2024 (Wikipedia JA). The manifest records 1986
Signature Sequences
- 01Large sea fireworks fired off Ajirohama beach
- 02A two-day festival on the first Sunday of August and the Saturday before
- 03Day one at Spo Island Seiro, day two at the Umi Nigiwai Kan lot and Ajirohama
- 04Largest shell 10 sun (1尺)
Venue & Access
- Time Window
- 20:00-20:45 (about 45 min)
- Venue
- Ajirohama beach area, 1612-5 Ajirohama, Seiro Town, Niigata Prefecture (網代浜海水浴場付近, 新潟県北蒲原郡聖籠町網代浜1612-5地先)
- Address
- Not confirmed in the sources checked (2026-10-20 pass)
- Venue Size
- Not confirmed in the sources checked (2026-10-20 pass)
- Venue Floor Type
- Not confirmed in the sources checked (2026-10-20 pass)
- Gates Open
- 16:00 (Ajirohama beach and the Seiro Town Umi Nigiwai Kan lot)
- Paid-Seat Holder Entry
- Not confirmed in the sources checked (2026-10-20 pass)
- Spectator Capacity
- Not confirmed in the sources checked (2026-10-20 pass)
- Launch Company
- Not confirmed in the sources checked (2026-10-20 pass)
- Production Company
- Not confirmed in the sources checked (2026-10-20 pass)
- Sponsor
- Seiro Town Tourism Association (contact 0254-27-2111)
Access
From major cities
- From Tokyo
- Not confirmed in the sources checked (2026-10-20 pass)
- From Osaka
- Not confirmed in the sources checked (2026-10-20 pass)
- From Sendai
- Not confirmed in the sources checked (2026-10-20 pass)
- Nearest Station
- Sasaki Station on the JR Hakushin Line (about 15 min by car)
- Nearest Shinkansen
- Not confirmed in the sources checked (2026-10-20 pass)
- Local Transit
- About 15 min by car from Sasaki Station on the JR Hakushin Line
- Parking
- About 1,000 spaces
- Parking Reservation
- Not confirmed in the sources checked (2026-10-20 pass)
- Lodging Strategy
- Not confirmed in the sources checked (2026-10-20 pass)
- English Access
- Not confirmed in the sources checked (2026-10-20 pass)
- Cash Required
- Not confirmed in the sources checked (2026-10-20 pass)
- Best Arrival
- Arrive during the 17:00 hour; about 1,000 parking spaces are shared with the festival crowd before the 20:00 start
- Peak Crowd
- Not confirmed in the sources checked (2026-10-20 pass)
Tickets
- Seat Type
- Not confirmed in the sources checked (2026-10-20 pass)
- Price Range
- Not confirmed in the sources checked (2026-10-20 pass)
- Seat Count
- Not confirmed in the sources checked (2026-10-20 pass) seats
- Sellout History
- Not confirmed in the sources checked (2026-10-20 pass)
- Reservation
- Not confirmed in the sources checked (2026-10-20 pass)
- Day-Of Ticket
- Not confirmed in the sources checked (2026-10-20 pass)
Weather Policy
- Rain
- Held in rain
- Decision Time
- Not confirmed in the sources checked (2026-10-20 pass)
- Postponement
- In stormy weather only the fireworks are postponed and held within the period up to August 23, 2026 (Sunday). The stage events on August 1 are cancelled in stormy weather
- Wind Threshold
- Not confirmed in the sources checked (2026-10-20 pass)
- Typical Risks
- Not confirmed in the sources checked (2026-10-20 pass)
- Weather Cancellation History
- Not confirmed in the sources checked (2026-10-20 pass)