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Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
Antimeridian
National Oceanic and Atmospheric Administration, Department of Commerce —
The Antimeridian is the +/-180 degree line of longitude, exactly opposite the Prime Meridian. It is often used as the basis for the International Date Line (IDL)... -
Federal
Submarine Cable Areas - U.S. and Affiliated Territories
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the general location of commercial and research submarine cables within U.S. waters. The majority of these cables are for telecommunications, and the... -
Federal
ETOPO 2022 15 Arc-Second Global Relief Model
National Oceanic and Atmospheric Administration, Department of Commerce —
ETOPO 2022, a global relief model with 15 arc-second resolution seamlessly integrating topographic and bathymetric data. The ETOPO 2022 model uses a combination of... -
Federal
Prime Meridian
National Oceanic and Atmospheric Administration, Department of Commerce —
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at... -
Federal
NOAA Electronic Navigational Charts (ENC) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The Office of Coast Survey (OCS) has been involved in the development of a NOAA Electronic Navigational Chart (NOAA ENC) suite to support the marine transportation... -
Federal
NOAA NEXt-Generation RADar (NEXRAD) Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level III weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
F00909: NOS Hydrographic Survey , 2024-09-30
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Exclusive Economic Zones (EEZs) - U.S.-Affiliated Pacifc Islands
National Oceanic and Atmospheric Administration, Department of Commerce —
These boundaries represent the exclusive economic zones (EEZ) for U.S.-affiliated Pacific Islands, including Hawaii, American Samoa, the Commonwealth of the Northern... -
Federal
Global Land One-kilometer Base Elevation (GLOBE) v.1
National Oceanic and Atmospheric Administration, Department of Commerce —
GLOBE is a project to develop the best available 30-arc-second (nominally 1 kilometer) global digital elevation data set. This version of GLOBE contains data from 11... -
Federal
Solar Features - Solar Flares - Index
National Oceanic and Atmospheric Administration, Department of Commerce —
Daily index of solar flare activity. -
Federal
ETOPO1 1 Arc-Minute Global Relief Model
National Oceanic and Atmospheric Administration, Department of Commerce —
In August 2008, the National Geophysical Data Center (NGDC), an office of the National Oceanic and Atmospheric Administration (NOAA), developed the ETOPO1 Global... -
Federal
F00918: NOS Hydrographic Survey , 2025-05-07
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Solar Features - Solar Flares
National Oceanic and Atmospheric Administration, Department of Commerce —
A solar flare is a short-lived sudden increase in the intensity of radiation emitted in the neighborhood of sunspots. For many years it was best monitored in the... -
Federal
W00071: NOS Hydrographic Survey , Outside Source Data - 2000, 2000-12-20
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Solar Radio
National Oceanic and Atmospheric Administration, Department of Commerce —
Scientists monitor the structure of the solar corona, the outer most regions of the Sun's atmosphere, using radio waves (100âs of MHz to 10âs of GHz). Variations... -
Federal
Political Boundaries - Oceania
National Oceanic and Atmospheric Administration, Department of Commerce —
Political boundaries of Oceania, Pacific Ocean. -
Federal
Tropic of Capricorn
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Capricorn lies at 23d 26' 22" (23.4394 degrees) south of the Equator and marks the most southerly latitude at which the sun can appear directly overhead... -
Federal
NOAA Shallow-Water Benthic Habitats: Hawaii: Kauai
National Oceanic and Atmospheric Administration, Department of Commerce —
Benthic habitat maps for the nearshore, shallow (< 30 m) coastal waters of the island of Kauai in the State of Hawaii. NOAA's National Centers for Coastal Ocean... -
Federal
H13734: NOS Hydrographic Survey , 2023-08-17
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...
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