Flood Risk · Province · Bangkok Metropolitan

Flood Risk in Bangkok

In the past 30 days, 4 of 9 stations overflowed the bank · most often: Krung Thep 3, 6 days (peak ~27 cm over)

History available for this province: 9 days (since 27 Sep) · a day counts when at least one reading that day was over the bank

Right now 1 gauge is over the bank: ~1 cm at Klong Ladprao Klong 2 Sai Tai

Measured rainfall, last 24 h: highest ~59.4 mm at rain gauge Klong Ladprao Klong 2 Sai Tai · Latest reading 15:00

3-day rain forecast: up to ~20 mm at กรมชลประทานสามเสน · area average ~9.0 mm · Source: TMD · updated 05:42

1 station has not sent new data for over 24 hours · see the "Old data" tag in the list

30-Day Trend · 9 Stations · Updated

Statistics and analysis on this page are for reference only and are not an official warning.

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Water gauge map in Bangkok Province

Map © OpenStreetMap

Overbank High Normal Low Critically Low Red label = how far the water has overflowed the channel · coloured dot = not overflowing (colour shows how full the channel is) · tap for details

View stations in this province View all Bangkok Metropolitan

Daily highest water level, 30 days in Bangkok Province

Water above the bank (cm)

27 Sep1 Oct5 Oct
Highest point of the day across all stations in the province · a bar above the bank line = at least one gauge overflowed that day

Flood risk points in Bangkok Province

Sorted by number of days over the bank in 30 days
  1. Krung Thep 3คลองมหาสวัสดิ์ · ตลิ่งชัน
    Days over (30 d)6 days
    Peak over (cm)27
    NowWater is level with the bank High
    Rain 3 days~6.9 mm
  2. Klong Ladprao Klong 2 Sai Taiคลองหกวา · ลาดพร้าว
    Days over (30 d)6 days
    Peak over (cm)19
    Now+1 cm over Overbank
    Rain 3 days~0.8 mm
  3. Klong Ladprao Bang Bua Templeคลองบางบัว · บางเขน
    Days over (30 d)5 days
    Peak over (cm)55
    NowNot overflowing · 4 cm below the bank High
    Rain 3 days~4.6 mm
  4. Krung Thep 9คลองลำปลาทิว · ลาดกระบัง
    Days over (30 d)2 days
    Peak over (cm)3
    NowNot overflowing · 1 cm below the bank High
    Rain 3 days~15 mm
  5. กรมชลประทานสามเสนแม่น้ำเจ้าพระยา · ดุสิต
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 43 cm below the bank High
    Rain 3 days~20 mm
  6. Chao Phraya 15แม่น้ำเจ้าพระยา · ธนบุรี
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 67 cm below the bank High
    Rain 3 days~5.0 mm
  7. Asokคลองแสนแสบ · วัฒนา
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.01 m below the bank Normal
    Rain 3 days~17 mm
  8. Krung Thep 1 Old dataคลองหกวา · สายไหม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.19 m below the bank High
    Rain 3 days~0.8 mm
  9. Krung Thep 5คลองภาษีเจริญ · บางแค
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 7.49 m below the bank Critically Low
    Rain 3 days~12 mm

About Flood Monitoring & Water Level Data

Flood risk in Bangkok is analyzed from 30 days of water level history across 9 stations in the province, surfacing points that have frequently gone overbank in the past month. The system counts overbank events (water above bank) and records the maximum water-vs-bank value to rank flood risk points in Bangkok.

Use this page to check flash flood risk in Bangkok before travel or when drafting evacuation preparations. Stations at the top of the list are those with the highest overbank frequency in the past 30 days. The daily-maximum trend chart gives a broader view of the water situation in Bangkok.

FAQ

How is flood risk in Bangkok calculated?

Calculated from 30-day water level history across monitoring stations in the province. Counts overbank events (water > bank) and records maximum values. More events = higher risk.

Can this be used as an official flood warning?

No. This data is for reference only, not an official warning. Please verify with government agencies.

How often is this updated?

Data is updated several times a day, and the 30-day summary always uses the latest data.