Port guide · UN/LOCODE JP AIO
Aioi, Japan
Japan · 34.78° N, 134.47° E
The World Port Index classes Aioi as a natural coastal harbor on the Sea of Japan. It records a channel depth of 6.4 m and a cargo pier depth of 4.9 m. Norfolk is 11,440 km away in a straight line.
- Channel depth
- 6.4 m
- Cargo pier depth
- 4.9 m
- From Norfolk
- 11,440 kmGreat-circle distance
- Nearest port guide
- Uno Ko60 km away
Depths and vessel limits
- Channel depth
- 6.4 m
- Anchorage depth
- 6.4 m
- Cargo pier depth
- 4.9 m
- Tidal range
- 1 m
As recorded in the World Port Index. Gauges run from 0 to 25 m. Confirm current depths and limits with the port before you fix a vessel.
Facilities on record
Arrival and entry
Aioi is listed as a first port of entry.
- First port of entry
- Yes
- Pilotage available
- Yes
- Pilotage advisable
- Yes
- Tug assistance
- Yes
- Arrival notice (ETA message) required
- Yes
- Shelter afforded
- Fair
- Entrance restricted by tide
- No
- Entrance restricted by swell
- No
- Entrance restricted by ice
- No
- Overhead limits
- Yes
Cargo handling
The heaviest lift class recorded is 100 tons and over.
- Anchorage
- Yes
- Floating cranes
- Yes
- Lifts of 100 tons and over
- Yes
- Lifts of 50 to 100 tons
- Yes
- Lifts of 25 to 49 tons
- Yes
- Lifts up to 24 tons
- Yes
- Longshore labor
- Yes
- Railway
- Large
Services and supplies
Repair capability is rated major.
- Repairs
- Major
- Dry dock
- Large
- Electrical repair
- Yes
- Fuel oil
- Yes
- Diesel oil
- Yes
- Potable water
- Yes
- Provisions
- Yes
- Deck supplies
- Yes
- Engine supplies
- Yes
- Shore electricity
- Yes
- Medical facilities
- Yes
- Dirty ballast disposal
- Yes
US trade with Japan
- US exports, 2025
- $81.4BLed by mineral fuels and oils
- US imports, 2025
- $145.8BLed by vehicles and parts
Other ports in Japan
The nearest is Uno Ko, 60 km away in a straight line.
- Akita-Funakawa KoCargo pier 12.5 m, channel 12.5 mJP AXT
- Aomori KoCargo pier 12.5 m, channel 17.1 mJP AOJ
- Chiba KoCargo pier 17.1 m, channel 17.1 mJP CHB
- Gamagori KoCargo pier 9.4 m, channel 9.4 mJP GAM
- Hachinohe KoCargo pier 12.5 m, channel 14 mJP HHE
- Hakodate KoCargo pier 14 m, channel 9.4 mJP HKD
- HibikinadaCargo pier 7.9 m, channel 9.4 mJB HBI
- Hososhima KoCargo pier 9.4 m, channel 9.4 mJP HSM
- ImariCargo pier 9.4 m, channel 14 mJP IMI
- Iwakuni KoCargo pier 11 m, channel 21.6 mJP IWK
- Kagoshima KoCargo pier 12.5 m, channel 11 mJP KOJ
- Kamaishi KoCargo pier 14 m, channel 14 mJP KIS
- KandaCargo pier 12.5 m, channel 11 mJP KND
- Kawasaki KoCargo pier 21.6 m, channel 11 mJP KWS
- KiireCargo pier 23.2 m, channel 23.2 mJP KII
- Kisarazu KoCargo pier 18.6 m, channel 18.6 mJP KZU
- KobeCargo pier 14 m, channel 14 mJP UKB
- Kokura KoCargo pier 11 m, channel 11 mJP KOK
- KureCargo pier 17.1 m, channel 17.1 mJP KRE
- Kushiro KoCargo pier 14 m, channel 9.4 mJP KUH
- Maizuru KoCargo pier 11 m, channel 9.4 mJP MAI
- MatsuyamaCargo pier 12.5 m, channel 9.4 mJP MYJ
- Miike KoCargo pier 9.4 m, channel 6.4 mJP MII
- MiyakoCargo pier 11 m, channel 15.5 mJP MYK
- Mizushima KoCargo pier 17.1 m, channel 14 mJP MIZ
- Moji KoCargo pier 9.4 m, channel 11 mJP MOJ
- Muroran KoCargo pier 15.5 m, channel 15.5 mJP MUR
- NagasakiCargo pier 14 m, channel 12.5 mJP NGS
- Nagoya KoCargo pier 15.5 m, channel 15.5 mJP NGO
- Nanao KoCargo pier 9.4 m, channel 9.4 mJP NNO
- Niigata KoCargo pier 14 m, channel 9.4 mJP KIJ
- OfunatoCargo pier 7.9 m, channel 14 mJP OFO
- Oita KoCargo pier 14 m, channel 23.2 mJP OIT
- OsakaCargo pier 14 m, channel 11 mJP OSA
- Otaru KoCargo pier 14 m, channel 11 mJP OTR
- Sakai KoCargo pier 12.5 m, channel 9.4 mJP SAK
- Sakaide KoCargo pier 12.5 m, channel 12.5 mJP SKD
- Sakata KoCargo pier 12.5 m, channel 9.4 mJP SKT
- SaseboCargo pier 11 m, channel 11 mJP SSB
- Sendai-ShiogamaCargo pier 7.9 m, channel 6.4 mJP SGM
- Shimizu KoCargo pier 14 m, channel 11 mJP SMZ
- ShimonosekiCargo pier 11 m, channel 12.5 mJP SHS
- Tagonoura KoCargo pier 11 m, channel 7.9 mJP TGO
- Tokyo KoCargo pier 14 m, channel 15.5 mJP TYO
- Tsuruga KoCargo pier 11 m, channel 15 mJP TRG
- Uno KoCargo pier 11 m, channel 12.5 mJP UNO
- Wakamatsu KoCargo pier 17.1 m, channel 9.4 mJP WAM
- Wakayama-Shimotsu KoCargo pier 14 m, channel 11 mJP WAK
- WakkanaiCargo pier 11 m, channel 9.4 mJP WKJ
- YokkaichiCargo pier 14 m, channel 11 mJP YKK
- Yokohama KoCargo pier 14 m, channel 11 mJP YOK
Sources
- US trade figures: US Census Bureau, International Trade API, HS2 total exports and general imports for calendar 2024 and 2025, retrieved November 4, 2026.
- Port data: National Geospatial-Intelligence Agency, World Port Index (Pub 150), from NGA's UpdatedPub150.csv as captured by the Internet Archive on September 29, 2026.
- Distances are great-circle distances computed from World Port Index coordinates, not sailing distances.
- Map: Natural Earth 1:110m land, public domain.