Province · Northern Region

Water Monitoring · Nan Province

No gauge is over the bank right now · closest: Nam Kon (Ban Phaya Kaeo) Bridge, 2.15 m below the bank

  • Overbank 0
  • High 0
  • Normal 7
  • Low 13
  • Critically Low 6

Measured rainfall, last 24 h: highest ~75.4 mm at rain gauge Bo Kluea Tai · Latest reading 15:00

3-day rain forecast: up to ~63 mm at Ban SongKhwae Bridge · area average ~9.8 mm · Source: TMD · updated 05:45

26 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 Nan 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

All water gauges in Nan Province

Sorted from most over the bank → closest to overflowing → no bank data yet
  1. น้ำกอน · เชียงกลาง
    Not overflowing · 2.15 m below the bank Low
    Rain 3 days ~5.6 mm
    Observed at
  2. น้ำขว้าง · ปัว
    Not overflowing · 2.29 m below the bank Low
    Rain 3 days ~18 mm
    Observed at
  3. น้ำสบสาย · ท่าวังผา
    Not overflowing · 2.44 m below the bank Critically Low
    Rain 3 days ~1.1 mm
    Observed at
  4. น้ำคูณ · ปัว
    Not overflowing · 2.48 m below the bank Critically Low
    Rain 3 days ~5.9 mm
    Observed at
  5. น้ำมวบ · สันติสุข
    Not overflowing · 3.11 m below the bank Normal
    Rain 3 days ~20 mm
    Observed at
  6. น้ำยาว · ปัว
    Not overflowing · 3.35 m below the bank Low
    Rain 3 days ~4.3 mm
    Observed at
  7. แม่น้ำสา · เวียงสา
    Not overflowing · 3.84 m below the bank Normal
    Rain 3 days ~0.3 mm
    Observed at
  8. น้ำยาว · ท่าวังผา
    Not overflowing · 3.90 m below the bank Low
    Rain 3 days ~33 mm
    Observed at
  9. น้ำยาว · สองแคว
    Not overflowing · 3.92 m below the bank Low
    Rain 3 days ~63 mm
    Observed at
  10. น้ำมวบ · แม่จริม
    Not overflowing · 3.97 m below the bank Critically Low
    Rain 3 days ~6.0 mm
    Observed at
  11. น้ำมวบ · เวียงสา
    Not overflowing · 4.23 m below the bank Critically Low
    Rain 3 days ~11 mm
    Observed at
  12. แม่น้ำน่าน · ภูเพียง
    Not overflowing · 4.62 m below the bank Normal
    Rain 3 days ~3.5 mm
    Observed at
  13. แม่น้ำน่าน · เวียงสา
    Not overflowing · 4.96 m below the bank Normal
    Rain 3 days ~0.2 mm
    Observed at
  14. แม่น้ำน่าน · ท่าวังผา
    Not overflowing · 4.99 m below the bank Low
    Rain 3 days ~1.4 mm
    Observed at
  15. แม่น้ำสา · เวียงสา
    Not overflowing · 5.50 m below the bank Low
    Rain 3 days ~0.2 mm
    Observed at
  16. ห้วยแม่ถา · เวียงสา
    Not overflowing · 5.73 m below the bank Critically Low
    Rain 3 days ~1.2 mm
    Observed at
  17. แม่น้ำน่าน · ภูเพียง
    Not overflowing · 6.03 m below the bank Normal
    Rain 3 days ~1.2 mm
    Observed at
  18. แม่น้ำน้ำว้า · เวียงสา
    Not overflowing · 6.99 m below the bank Normal
    Rain 3 days ~0.2 mm
    Observed at
  19. น้ำราง · เฉลิมพระเกียรติ
    Not overflowing · 7.48 m below the bank Critically Low
    Rain 3 days ~24 mm
    Observed at
  20. แม่น้ำน่าน · เมืองน่าน
    Not overflowing · 8.01 m below the bank Low
    Rain 3 days ~0.9 mm
    Observed at
  21. แม่น้ำน่าน · ภูเพียง
    Not overflowing · 8.38 m below the bank Low
    Rain 3 days ~5.0 mm
    Observed at
  22. แม่น้ำน้ำว้า · แม่จริม
    Not overflowing · 8.62 m below the bank Low
    Rain 3 days ~47 mm
    Observed at
  23. แม่น้ำน้ำว้า · เวียงสา
    Not overflowing · 10.75 m below the bank Low
    Rain 3 days ~0.2 mm
    Observed at
  24. แม่น้ำน่าน · ภูเพียง
    Not overflowing · 11.00 m below the bank Low
    Rain 3 days ~1.2 mm
    Observed at
  25. แม่น้ำน่าน · เวียงสา
    Not overflowing · 11.48 m below the bank Normal
    Rain 3 days ~0.2 mm
    Observed at
  26. แม่น้ำน่าน · เมืองน่าน
    Not overflowing · 11.75 m below the bank Low
    Rain 3 days ~0.9 mm
    Observed at

About Flood Monitoring & Water Level Data

Check floods in Nan via 26 water monitoring stations in the province. Current status: 0 stations overbank, 0 high, 7 normal. Nan is part of the Northern Region and hosts major rivers that pose flood risk in Nan during certain seasons, especially during monsoon and prolonged heavy rain.

Tap any station in the list below to see how far the water is above or below the bank, a channel cross-section, a 7-day history chart, and its location on the map. You can also check flood risk points in Nan on the dedicated risk page, which surfaces stations with frequent overbank events over the past 30 days.

FAQ about Nan

How many stations are in Nan?

26 stations in total: Critically Low 6 · Low 13 · Normal 7 · High 0 · Overbank 0

Which stations are overbank?

See the overbank stations in the list above. 0 stations are currently overbank.

How often is data updated?

Data is updated several times a day. Latest data for this province: 5 Oct 2026 15:02