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Federal
Physical Oceanographic (Water Temperature and Conductivity) Data
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Center for Operational Oceanographic Products and Services (CO-OPS) is the authoritative source for accurate, reliable, and timely data on tides, water levels,... -
Storm Surge Risk Areas
District of Columbia —
This data reflects areas with a risk of storm tide flooding from hurricanes, based on potential storm tide heights calculated by the National Weather Service's SLOSH... -
Federal
Automation of Field Operations and Services (AFOS) National Weather Service (NWS) Service Records and Retention System (SRRS) Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Service Records and Retention System (SRRS) is historical digital data set DSI-9949, a collection of products created by the U.S. National Weather Service (NWS) and... -
Federal
High Tide Flooding Products from NOAA CO-OPS
National Oceanic and Atmospheric Administration, Department of Commerce —
High tide flooding is the overflow or excess accumulation of water that covers typically dry coastal land and occurs during high tides. As relative sea levels rise,... -
Federal
Hurricane Storm Surge Inundation: Honolulu, Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
Computer model simulation of hurricane storm surge inundation around Honolulu, Hawaii using current sea level at mean higher high water (MHHW) as its baseline water... -
Federal
BETA - Hazard Exposure: National Highway System Bridges
Department of Transportation —
The BETA - Hazard Exposure: National Highway System Bridges dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of... -
Federal
CoSMoS (Coastal Storm Modeling System) Southern California v3.0 Phase 2 flood-hazard depth and duration projections: 1-year storm in Los Angeles County
Department of the Interior —
Projected Hazard: Maximum depth of flooding surface (in cm) in the region landward of the present day shoreline that is inundated for the storm condition and sea-... -
Federal
Inundation layers for the San Jacinto River for the August and September 2017 flood event in Texas
Department of the Interior —
Hurricane Harvey made landfall near Rockport, Texas on August 25 as a category 4 hurricane with wind gusts exceeding 150 miles per hour. As Harvey moved inland the... -
Federal
CoSMoS (Coastal Storm Modeling System) Southern California v3.0 Phase 2 flood-hazard projections: 100-year storm in San Diego County
Department of the Interior —
Projected Hazard: Geographic extent of projected coastal flooding, low-lying vulnerable areas, and maxium/minimum flood potential associated with the sea-level rise... -
Federal
BETA - Hazard Exposure: National Highway System
Department of Transportation —
The BETA - Hazard Exposure: National Highway System dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S.... -
Federal
Estimated Extent of Coastal Flooding due to Sea Level Change for 118 U.S. National Parks
Department of the Interior —
This data release consists of the estimated extent of inundation due to sea level change for the U.S. national coastal parks of the continental United States, Alaska,... -
Federal
CoSMoS (Coastal Storm Modeling System) Southern California v3.0 Phase 2 flood-hazard depth and duration projections: average conditions in San Diego County
Department of the Interior —
Projected Hazard: Maximum depth of flooding surface (in cm) in the region landward of the present day shoreline that is inundated for the storm condition and sea-... -
Federal
CoSMoS (Coastal Storm Modeling System) Southern California v3.0 Phase 2 flood-hazard depth and duration projections: 100-year storm in Orange County
Department of the Interior —
Maximum depth of flooding surface (in cm) in the region landward of the present day shoreline that is inundated for the storm condition and sea-level rise (SLR)... -
Federal
CoSMoS (Coastal Storm Modeling System) Southern California v3.0 Phase 2 flood-hazard depth and duration projections: 1-year storm in Orange County
Department of the Interior —
Maximum depth of flooding surface (in cm) in the region landward of the present day shoreline that is inundated for the storm condition and sea-level rise (SLR)... -
Federal
Bacteria, nutrients, and contaminants of emerging concern in shallow groundwater of nearshore environments, Suffolk County, New York, 2013
Department of the Interior —
Onsite wastewater disposal systems (OWDS) in coastal regions of Long Island, New York, contribute bacteria, nutrients, and organic wastewater-associated compounds... -
Federal
CoSMoS (Coastal Storm Modeling System) Southern California v3.0 Phase 2 flood-hazard depth and duration projections: 20-year storm in Ventura County
Department of the Interior —
Maximum depth of flooding surface (in cm) in the region landward of the present day shoreline that is inundated for the storm condition and sea-level rise (SLR)... -
Federal
Sand Areas for the Undeveloped Areas of New Jersey's Barrier Islands, Extracted from Orthoimagery, March 9, 1991, to July 30, 2013
Department of the Interior —
Assessing the physical change to shorelines and wetlands is critical in determining the resiliency of wetland systems that protect adjacent habitat and communities.... -
Federal
BETA - Hazard Exposure: Primary Airport Parcels
Department of Transportation —
The BETA - Hazard Exposure: Primary Airport Parcels dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S.... -
Federal
Inundation Exposure Assessment for Mejit Island, Republic of the Marshall Islands
Department of the Interior —
As a low-lying island nation, the Republic of the Marshall Islands (RMI) is at the forefront of exposure to climate change impacts, including, primarily, inundation... -
Federal
Inundation layers for the San Bernard River for the August and September 2017 flood event in Texas
Department of the Interior —
Hurricane Harvey made landfall near Rockport, Texas on August 25 as a category 4 hurricane with wind gusts exceeding 150 miles per hour. As Harvey moved inland the...