Suncook River at North Chichester
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Upstream gauge unavailableDownstream gauge unavailable
Traces and Thresholds Click to turn on/off display
Observed (OBS) 07/04/2025 8:15 AM EDTCATEGORY STAGE 
Major Flooding 16 ft Moderate Flooding 12 ft Minor Flooding 7 ft Action 6 ft Reliability of the Forecast:
NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 18 - Floodwaters 2 to 5 feet deep in Riverside and Jasper Drives in Allenstown, and Bachelder Road in Epsom. Low lying portions of Kings Towne Park and Kings Grant Communities have water depths of 1 to 3 feet deep.
- 16 - Major flooding in Riverside Drive and Jasper Drives in Allenstown, Bachelder Road, Kings Towne Park, and Kings Grant Communities in Epsom. Water Street in Epsom floods.
- 14 - Significant inundation of Kings Town Park community in Epsom and Riverside Drive in Allenstown. Route 28 floods near the Chichester and Epsom townline. Seasonal campgrounds inundated with upwards of 5 feet of water.
Gauge Info
| Coordinates | 43.2567, -71.3700 |
| RFC | NERFC |
| State | NH |
| WFO | GYX |
| County | Merrimack |
| Data Provider(s) | |
| US Geological Survey | USGS--Water Resources of the United States |
| USGS | 01089500 |
Gauge Location
Recent Crests
| 1. | 8.22 ft | on 05-11-2025 |
| 2. | 8.68 ft | on 04-13-2024 |
| 3. | 8.71 ft | on 03-08-2024 |
| 4. | 12.11 ft | on 12-19-2023 |
| 5. | 10.53 ft | on 07-17-2023 |
Recent Crests
| 1. | 8.22 ft | on 05-11-2025 |
| 2. | 8.68 ft | on 04-13-2024 |
| 3. | 8.71 ft | on 03-08-2024 |
| 4. | 12.11 ft | on 12-19-2023 |
| 5. | 10.53 ft | on 07-17-2023 |
| 6. | 9.91 ft | on 05-02-2023 |
| 7. | 11.54 ft | on 12-24-2022 |
| 8. | 8.80 ft | on 07-30-2021 |
| 9. | 8.35 ft | on 04-27-2019 |
| 10. | 10.30 ft | on 10-31-2017 |
| 11. | 8.67 ft | on 04-07-2017 |
| 12. | 8.83 ft | on 02-26-2016 |
| 13. | 7.41 ft | on 04-22-2015 |
| 14. | 9.34 ft | on 03-31-2014 |
| 15. | 11.74 ft | on 03-31-2010 |
| 16. | 8.17 ft | on 03-24-2010 |
| 17. | 12.35 ft | on 03-15-2010 |
| 18. | 11.34 ft | on 02-26-2010 |
| 19. | 15.97 ft | on 04-17-2007 |
| 20. | 13.55 ft | on 05-14-2006 |
| 21. | 12.19 ft | on 03-14-1977 |
| 22. | 11.00 ft | on 04-02-1976 |
| 23. | 9.70 ft | on 03-21-1975 |
| 24. | 12.50 ft | on 02-11-1970 |
| 25. | 9.74 ft | on 04-23-1969 |
| 26. | 10.80 ft | on 03-19-1968 |
| 27. | 9.07 ft | on 04-15-1964 |
| 28. | 10.05 ft | on 04-01-1962 |
| 29. | 12.40 ft | on 04-05-1960 |
| 30. | 11.01 ft | on 04-03-1959 |
| 31. | 9.89 ft | on 04-17-1956 |
| 32. | 11.88 ft | on 05-10-1954 |
| 33. | 12.55 ft | on 03-27-1953 |
| 34. | 10.68 ft | on 04-06-1952 |
| 35. | 9.71 ft | on 04-04-1951 |
| 36. | 11.99 ft | on 03-22-1948 |
| 37. | 9.32 ft | on 03-10-1946 |
| 38. | 11.03 ft | on 03-10-1942 |
| 39. | 11.35 ft | on 04-13-1940 |
| 40. | 9.53 ft | on 11-29-1937 |
| 41. | 11.80 ft | on 02-23-1937 |
| 42. | 15.27 ft | on 03-19-1936 |
| 43. | 10.38 ft | on 01-10-1935 |
| 44. | 11.47 ft | on 04-01-1934 |
| 45. | 11.30 ft | on 04-19-1933 |
| 46. | 9.17 ft | on 04-13-1932 |
| 47. | 9.14 ft | on 03-16-1929 |
| 48. | 9.65 ft | on 03-18-1927 |
| 49. | 9.97 ft | on 03-30-1925 |
| 50. | 11.25 ft | on 04-07-1924 |
| 51. | 13.00 ft | on 04-07-1923 |
| 52. | 9.10 ft | on 03-27-1920 |
Historic Crests
| 1. | 15.97 ft | on 04-17-2007 |
| 2. | 15.27 ft | on 03-19-1936 |
| 3. | 13.55 ft | on 05-14-2006 |
| 4. | 13.00 ft | on 04-07-1923 |
| 5. | 12.55 ft | on 03-27-1953 |
Historic Crests
| 1. | 15.97 ft | on 04-17-2007 |
| 2. | 15.27 ft | on 03-19-1936 |
| 3. | 13.55 ft | on 05-14-2006 |
| 4. | 13.00 ft | on 04-07-1923 |
| 5. | 12.55 ft | on 03-27-1953 |
| 6. | 12.50 ft | on 02-11-1970 |
| 7. | 12.40 ft | on 04-05-1960 |
| 8. | 12.35 ft | on 03-15-2010 |
| 9. | 12.19 ft | on 03-14-1977 |
| 10. | 12.11 ft | on 12-19-2023 |
| 11. | 11.99 ft | on 03-22-1948 |
| 12. | 11.88 ft | on 05-10-1954 |
| 13. | 11.80 ft | on 02-23-1937 |
| 14. | 11.74 ft | on 03-31-2010 |
| 15. | 11.54 ft | on 12-24-2022 |
| 16. | 11.47 ft | on 04-01-1934 |
| 17. | 11.35 ft | on 04-13-1940 |
| 18. | 11.34 ft | on 02-26-2010 |
| 19. | 11.30 ft | on 04-19-1933 |
| 20. | 11.25 ft | on 04-07-1924 |
| 21. | 11.03 ft | on 03-10-1942 |
| 22. | 11.01 ft | on 04-03-1959 |
| 23. | 11.00 ft | on 04-02-1976 |
| 24. | 10.80 ft | on 03-19-1968 |
| 25. | 10.68 ft | on 04-06-1952 |
| 26. | 10.53 ft | on 07-17-2023 |
| 27. | 10.38 ft | on 01-10-1935 |
| 28. | 10.30 ft | on 10-31-2017 |
| 29. | 10.05 ft | on 04-01-1962 |
| 30. | 9.97 ft | on 03-30-1925 |
| 31. | 9.91 ft | on 05-02-2023 |
| 32. | 9.89 ft | on 04-17-1956 |
| 33. | 9.74 ft | on 04-23-1969 |
| 34. | 9.71 ft | on 04-04-1951 |
| 35. | 9.70 ft | on 03-21-1975 |
| 36. | 9.65 ft | on 03-18-1927 |
| 37. | 9.53 ft | on 11-29-1937 |
| 38. | 9.34 ft | on 03-31-2014 |
| 39. | 9.32 ft | on 03-10-1946 |
| 40. | 9.17 ft | on 04-13-1932 |
| 41. | 9.14 ft | on 03-16-1929 |
| 42. | 9.10 ft | on 03-27-1920 |
| 43. | 9.07 ft | on 04-15-1964 |
| 44. | 8.83 ft | on 02-26-2016 |
| 45. | 8.80 ft | on 07-30-2021 |
| 46. | 8.71 ft | on 03-08-2024 |
| 47. | 8.68 ft | on 04-13-2024 |
| 48. | 8.67 ft | on 04-07-2017 |
| 49. | 8.35 ft | on 04-27-2019 |
| 50. | 8.22 ft | on 05-11-2025 |
| 51. | 8.17 ft | on 03-24-2010 |
| 52. | 7.41 ft | on 04-22-2015 |
Vertical Datum Table
| type | NAVD88 |
|---|---|
| major Flooding | 344.78 ft |
| moderate Flooding | 340.78 ft |
| minor Flooding | 335.78 ft |
| action | 334.78 ft |
| Latest Value | 331.85 ft |
| Gauge Zero | 328.78 ft |
Unique Local Info
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Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels |
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| 10 Day (HEFS) | 7 Day (NAEFS) | 7 Day (GEFS) |
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Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.
Click individual graphics to enlarge.
Collaborative Agencies
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.