Search by city or zip code. Press enter or select the go button to submit request
Local weather forecast by
What is AHPS?
Weather Forecast Office Juneau, AK
Alaska Pacific River Forecast Center
River at a Glance
Auto Refresh is ON
About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
Datum: Not Available
Graphical forecasts are not available for the Mendenhall Lake at Suicide Basin.
During times of high water, forecast crest information can be found in the
Scale to Flood Categories
Return to Area Map
Flood Categories (in feet)
Major Flood Stage:
Moderate Flood Stage:
(1) 52.00 ft on 07/02/2012
: Preliminary values subject to further review.
Low Water Records
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos
If you notice any errors in the below information, please contact our
Estimated height of lake in Suicide Basin from July 2012. Produced bankfull conditions on the Mendenhall Lake and River.
Full Suicide Basin, big cracks in center from water underneath pushes up the ice.
Suicide Basin has emptied. Big cracks in center have closed and icebergs in back are grounded.
Full Suicide Basin, big cracks in center and floating icebergs on right.
Suicide Basin has emptied. Big cracks in center have closed and icebergs are grounded in back basin
Suicide Basin has emptied. Icebergs in back of basin are grounded.
Full Suicide Basin, big bulge in middle of the basin.
Suicide Basin has emptied. Bulge in center of basin is gone and ice level has dropped.
About This Location
Latitude: 58.459444° N, Longitude: 134.503889° W, Horizontal Datum: Unknown
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
Older USGS topographic maps, NGVD29 benchmarks
Older USGS topographic maps, MSL benchmarks
River Forecast Centers
River Stage Summary
Alaska-Pacific River Forecast Center
Inundation Mapping Locations
NWS Precipitation and River Forecasting
AHPS Iframes for Developers
Mobile iNWS for emergency management
AHPS Web Brochure
Search River Notes
Nat'l Snow Information
Alaska Snow Maps
Flood Stage Definitions
Tweedsmuir Glacier Status
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
National Weather Service
Juneau Weather Forecast Office
8500 Mendenhall Loop Road
Juneau, AK 99801
Page last modified: 27-Aug-2014 7:08 PM