Water Monitoring Station

Station Maenam Ngao bridge

แม่น้ำงาว · District เวียงแก่น · Chiang Rai

Water is 2.01 m below the bank · not overflowing

  • Falling 3 cm since the last reading
  • Water depth about 1.14 m (from the channel bed to the water surface at the gauge)
Channel 36% full Normal

Water volume vs channel capacity at this gauge

Measured rainfall, last 24 h, at this gauge 7.0 mm · Light rain (TMD criteria) ·

Observed at

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

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Station location map for Maenam Ngao bridge

Map © OpenStreetMap

Channel cross-section at the gauge

Channel cross-section at the gauge Left bank is still 3.72 m above the water surface · Right bank is still 2.01 m above the water surface · About 1.14 m deep from the water surface to the channel bed ▼ Water surfaceLeft bank3.72 m to overflowRight bank2.01 m to overflowDepth~1.14 mChannel bed Channel cross-section at the gauge Left bank is still 3.72 m above the water surface · Right bank is still 2.01 m above the water surface · About 1.14 m deep from the water surface to the channel bed ▼ Water surfaceLeft bank3.72 m to overflowRight bank2.01 m to overflowDepth~1.14 mChannel bed
Simplified drawing: heights to scale, widths not to scale
  • Left bank is still 3.72 m above the water surface
  • Right bank is still 2.01 m above the water surface
  • About 1.14 m deep from the water surface to the channel bed

Rain forecast at Maenam Ngao bridge

Next 7 days: ~3.7 mm of rain in total · Wettest day: Tomorrow 6 Oct (~1.4 mm)

  1. Today 1.2 mm Light
  2. Tmrw 1.4 mm Light
  3. Wed 0.9 mm Light
  4. Thu 0.1 mm Light
  5. Fri 0.1 mm Light
  6. Sat 0 mm None
  7. Sun 0 mm None

Forecast · updated 5 Oct 05:44 · Source: Thai Meteorological Department

Daily details
  1. Today 1.2 mm Light rain · Overcast · 23–30°C
  2. Tomorrow 1.4 mm Light rain · Overcast · 22–29°C
  3. Wed 0.9 mm Light rain · Cloudy · 20–28°C
  4. Thu 0.1 mm Light rain · Cloudy · 20–30°C
  5. Fri 0.1 mm Light rain · Overcast · 20–30°C
  6. Sat 0 mm No rain · Partly cloudy · 20–28°C
  7. Sun 0 mm No rain · Cloudy · 21–29°C
  8. Mon 7.7 mm Light rain · Overcast · 20–28°C
  9. Tue 6.9 mm Light rain · Cloudy · 21–29°C

Forecast by the Thai Meteorological Department for the area around this station, not measured rainfall · Updated 5 Oct 2026 05:44

7-day water level vs bank at Maenam Ngao bridge

Red dashed line = bank level (0.00 m) · Dots = observations · Max -2.01 m · Min -2.35 m · Latest -2.01 m at 5 Oct 2026 14:40

Water level vs bank over 3 days · Maenam Ngao bridge Max -2.01 meters, min -2.35 meters, latest -2.01 meters at 5 Oct 2026 14:40 -3.0 m -2.5 m -2.0 m -1.5 m -1.0 m -0.5 m 0.0 m +0.5 m Bank level (0.00 m) 29 Sep 23:20 · -2.29 m 2 Oct 08:40 · -2.32 m 5 Oct 08:40 · -2.34 m 5 Oct 14:40 · -2.01 m 29 Sep 23:20 1 Oct 09:10 2 Oct 19:00 4 Oct 04:50 5 Oct 14:40
Water level Bank level Normal Overbank

Chiang Rai Province

About Flood Monitoring & Water Level Data

Water level at Maenam Ngao bridge is measured by a monitoring station in the แม่น้ำงาว river basin, located in เวียงแก่น district, Chiang Rai province. You can check flood status at Maenam Ngao bridge through water level vs bank comparison, updated several times a day. The water surface is compared with the lower of the two banks: when it is higher, the page shows how many centimetres it is overflowing; when lower, how much room is left before it overflows.

The water situation uses a 5-level scale based on how full the channel is — Critically Low, Low, Normal, High and Overbank — so users can plan responses appropriately. The 7-day history chart shows recent water level trends, useful for early flood check at Maenam Ngao bridge.

FAQ

Where is Maenam Ngao bridge station located?

Maenam Ngao bridge station is located at เวียงแก่น District, Chiang Rai Province, in the แม่น้ำงาว basin

What is the latest water status at Maenam Ngao bridge?

Normal · Water is 2.01 m below the bank · not overflowing · observed at 5 Oct 2026 14:40

Can this data be cited officially?

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

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