Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Upton, NY

Northeast River Forecast Center

Hydrograph

River at a Glance

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NOTE: Tide Forecasts are a total water level forecast referenced to mean lower low water. Please refer to Coastal Flood Advisories and Warnings for official water level forecasts during periods of coastal flooding. During tropical cyclones, please refer here for additional storm surge information. Click here for Flood Category definitions. Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office. NOTE: Forecasts for the New York Harbor at The Battery (IN MLLW) are issued routinely year-round. Vertical Datum references a tidal datum (MLLW)...for more information see Tides and Currents .

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Flood Categories (in feet) Major Flood Stage: 9.4 Moderate Flood Stage: 8.3 Flood Stage: 7 Action Stage: 7 Low Stage (in feet): -1.8 Historic Crests (1) 13.88 ft on 10/29/2012 (2) 10.02 ft on 09/12/1960 (3) 9.70 ft on 12/11/1992 (4) 9.51 ft on 08/28/2011 (5) 9.12 ft on 11/25/1950 (6) 8.92 ft on 03/06/1962 (7) 8.73 ft on 10/31/1991 (8) 8.53 ft on 03/29/1984 (9) 8.51 ft on 03/14/2010 (10) 8.36 ft on 03/14/1993 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 13.88 ft on 10/29/2012 (2) 9.51 ft on 08/28/2011 (3) 8.51 ft on 03/14/2010 (4) 8.29 ft on 03/20/1996 (5) 8.36 ft on 03/14/1993 (6) 9.70 ft on 12/11/1992 (7) 8.73 ft on 10/31/1991 (8) 8.23 ft on 09/27/1985 (9) 8.53 ft on 03/29/1984 (10) 8.12 ft on 01/23/1966 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location Disclaimer 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

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14.2	Level reached during Superstorm Sandy. Three to four feet of inundation along Avenue C in Manhattan. Several feet of inundation along 1st Avenue and on the FDR/Harlem River Drive for much of it's length. Three to five feet of inundation along the West Side Drive, Battery Park, and FDR Drive with flooding extending several blocks inland. Several feet of inundation into Battery Park underpass at Battery tunnel and South Street Seaport.Red Hook and Hunter's Point experience 3 to 6 feet of inundation.
9.7	Inundation of three to four feet on water on the FDR drive occurs and portions of the West Side highway close. Flooding of parking lots and passenger waiting areas near ferry terminal. Inundation of the Belt Parkway closes parts of the road and flooding of several major roads near JFK Airport. Flood water inundates Neptune Avenue in Coney Island.
9.5	Red Hook, Brooklyn, along portions of the Gowanus Bay/Canal becomes inundated by one to three feet of water approximately 100 yards inland. Inundataion occurs along the promenade in Battery Park City with one to two feet of water and at the marina in front of Marcatile exchange.The FDR Drive closes in both directions at Houston Street, and approximately one foot of inundation at South Street Seaport.The southbound side of the Henry Hudson Drive becomes inundated with three feet of water.
8.5	Water reaches, covers, and washes over the Battery Park seawall and reaches the Battery Tide gague house. Flooding begins on the Boardwalk, covering it by nearly one foot.
7.7	Inundation on the East Shore of Staten Island in the Midland Beach area near Hempstead Avenue
7.5	Near the South Street Seaport along the East River, water spills over the lower walkway near Maiden Lane and South Street.
6.8	Inundation on Staten Island in the Fresh Kills area near Travis Avenue and Victory Boulevard.
6.7	Major flooding of one to three feet on the FDR Drive in several spots enhanced due to heavy rain.
Photos (1) Tidal Gage at Battery, NY

About This Location

Latitude: 40.700556° N, Longitude: 74.014167° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 7 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 -2.77 4.43 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available

Additional Information

Battery gage data and forecast are in feet Mean Lower Low Water (MLLW)

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Northeast River Forecast Center Snow Information Ensemble River Forecasts Hourly Precipitation

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. NWS Information National Weather Service Upton Weather Forecast Office 175 Brookhaven Ave. Bldg. NWS-1 Upton, NY 11973 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities