Delaware Bay OFS
Last cycle 16 Oct 00:00 UTCdbofsDelaware Bay and River estuarine forecast. High-resolution ROMS solution of salt intrusion, tidal currents, temperature and water level.
Produced by NOAA NOS CO-OPS
Coverage
Aug 19 – Oct 18
Cadence
6h
Forecast
48h
Variables
78
Grid
732×119
Vertical
10σ-levels
Coverageocean_time
span 60 days45 h ahead
now
Aug 19, 2026 12:00ZOct 18, 2026 00:00Z
Access
ZarrAvailable
Zarr store on S3 — open directly for best performance.
s3://noaa-nodd-kerchunk-pds/zarr3/dbofs.zarrWMSAvailable
Rendered map tiles for Leaflet, OpenLayers, QGIS.
https://cloud.data.ioos.us/xreds/datasets/dbofs_zarr3/wms/?service=WMS&request=GetCapabilitiesOpen in code
import xarray as xr
ds = xr.open_zarr(
"s3://noaa-nodd-kerchunk-pds/zarr3/dbofs.zarr",
zarr_format=3,
consolidated=False,
storage_options={"anon": True},
)Delaware Bay OFS · Zarr v3, anonymous S3
import intake
cat = intake.open_catalog(
"https://noaa-nodd-kerchunk-pds.s3.amazonaws.com/zarr3/intake.yml",
)
ds = cat["dbofs"].to_dask()Delaware Bay OFS · resolved through the shared catalog
Dimensions13
tracer2boundary4s_rho-1 → 0s_w-1 → 0ocean_time1,429eta_rho732xi_rho119eta_psi731xi_psi118eta_u732xi_u118eta_v731xi_v119
Variables78
| name | standard name | units | dimensions |
|---|---|---|---|
| temp | sea_water_potential_temperature | Celsius | ocean_times_rhoeta_rhoxi_rho |
| salt | sea_water_practical_salinity | — | ocean_times_rhoeta_rhoxi_rho |
| u | sea_water_x_velocity | meter second-1 | ocean_times_rhoeta_uxi_u |
| v | sea_water_y_velocity | meter second-1 | ocean_times_rhoeta_vxi_v |
| w | upward_sea_water_velocity | meter second-1 | ocean_times_weta_rhoxi_rho |
| zeta | sea_surface_height_above_geopotential_datum | meter | ocean_timeeta_rhoxi_rho |
| Uwind | surface_x_wind | meter second-1 | ocean_timeeta_rhoxi_rho |
| Vwind | surface_y_wind | meter second-1 | ocean_timeeta_rhoxi_rho |
| Pair | surface_air_pressure | millibar | ocean_timeeta_rhoxi_rho |
| Akp_bak | not declared | meter2 second-1 | |
| Akv_bak | not declared | meter2 second-1 | |
| Akk_bak | not declared | meter2 second-1 | |
| Akt_bak | not declared | meter2 second-1 | tracer |
| FSobc_out | not declared | second-1 | boundary |
| Cs_r | not declared | — | s_rho |
| Fbeta | not declared | — | |
| FSobc_in | not declared | second-1 | boundary |
| Cs_w | not declared | — | s_w |
| Falpha | not declared | — | |
| LtracerCLM | not declared | — | tracer |
| Lm3CLM | not declared | — | |
| Lm2CLM | not declared | — | |
| LsshCLM | not declared | — | |
| LnudgeM3CLM | not declared | — | |
| LnudgeTCLM | not declared | — | tracer |
| Fgamma | not declared | — | |
| LtracerSponge | not declared | — | tracer |
| LnudgeM2CLM | not declared | — | |
| LtracerSrc | not declared | — | tracer |
| LwSrc | not declared | — | |
| LuvSponge | not declared | — | |
| M2obc_in | not declared | second-1 | boundary |
| M2obc_out | not declared | second-1 | boundary |
| LuvSrc | not declared | — | |
| M3obc_out | not declared | second-1 | boundary |
| M3obc_in | not declared | second-1 | boundary |
| M2nudg | not declared | day-1 | |
| Tcline | not declared | meter | |
| Tobc_out | not declared | second-1 | boundarytracer |
| Tnudg | not declared | day-1 | tracer |
| Vtransform | not declared | — | |
| Vstretching | not declared | — | |
| Tobc_in | not declared | second-1 | boundarytracer |
| Zos | not declared | meter | |
| Znudg | not declared | day-1 | |
| angle | grid_angle_of_rotation_from_east_to_y | radians | eta_rhoxi_rho |
| dt | not declared | second | |
| M3nudg | not declared | day-1 | |
| dtfast | not declared | second | |
| Zob | not declared | meter | |
| f | coriolis_parameter | second-1 | eta_rhoxi_rho |
| grid | not declared | — | |
| el | not declared | meter | |
| gamma2 | not declared | — | |
| h | sea_floor_depth | meter | eta_rhoxi_rho |
| hc | not declared | meter | |
| mask_rho | land_sea_mask_at_cell_center | — | eta_rhoxi_rho |
| mask_psi | land_sea_mask_at_cell_corners | — | eta_psixi_psi |
| mask_u | land_sea_mask_at_cell_y_edges | — | eta_uxi_u |
| nRST | not declared | — | |
| mask_v | land_sea_mask_at_cell_x_edges | — | eta_vxi_v |
| nl_tnu2 | not declared | meter2 second-1 | tracer |
| ndtfast | not declared | — | |
| ndefHIS | not declared | — | |
| nSTA | not declared | — | |
| ntimes | not declared | — | |
| pn | inverse_grid_y_spacing | meter-1 | eta_rhoxi_rho |
| nl_visc2 | not declared | meter2 second-1 | |
| pm | inverse_grid_x_spacing | meter-1 | eta_rhoxi_rho |
| rdrg | not declared | meter second-1 | |
| rdrag2 | sea_bottom_quadratic_drag_coefficient | — | eta_rhoxi_rho |
| rdrg2 | not declared | — | |
| rho0 | not declared | kilogram meter-3 | |
| spherical | not declared | — | |
| theta_s | not declared | — | |
| theta_b | not declared | — | |
| xl | not declared | meter | |
| nHIS | not declared | — |
Attributes36
file
dbofs.t00z.20261016.fields.nowcast_0002.nc
format
netCDF-4/HDF5 file
Conventions
CF-1.4, SGRID-0.3
type
ROMS/TOMS history file
title
dbofs nowcast RUN in operational mode
var_info
varinfo.yaml
rst_file
dbofs.t00z.20261016.rst.nowcast.nc
his_base
dbofs.t00z.20261016.fields.nowcast
sta_file
dbofs.t00z.20261016.stations.nowcast.nc
grd_file
dbofs.romsgrid.nc
ini_file
dbofs.t00z.20261016.init.nowcast.nc
river_file
dbofs.t00z.20261016.river.nc
tide_file
dbofs.roms.tides.nc
frc_file_01
dbofs.t00z.20261016.met.nowcast.nc
bry_file_01
dbofs.t00z.20261016.obc.nc
script_file
dbofs_ROMS_nowcast.in
spos_file
dbofs.stations.in
NLM_TADV
ADVECTION: HORIZONTAL VERTICAL
temp: HSIMT HSIMT
salt: HSIMT HSIMT
NLM_LBC
EDGE: WEST SOUTH EAST NORTH
zeta: Cha Cha Cha Clo
ubar: Fla Fla Fla Clo
vbar: Fla Fla Fla Clo
u: Rad Rad Rad Clo
v: Rad Rad Rad Clo
temp: RadNud RadNud RadNud Clo
salt: RadNud RadNud RadNud Clo
tke: Gra Gra Gra Clo
git_url
https://github.com/NOAA-CO-OPS/2024-NOS-Code-Package_v3.6.0
git_rev
c1e184cd03c2208a7b6924f2ef264d1c9feeb838
svn_url
https://www.myroms.org/svn/src/trunk
svn_rev
1209
code_dir
/lfs/h1/ops/test/packages/nosofs.v3.6.15/sorc/ROMS.fd
header_dir
/lfs/h1/ops/test/packages/nosofs.v3.6.15/include
header_file
dbofs.h
os
Linux
cpu
x86_64
compiler_system
ftn-intel
compiler_command
/opt/cray/pe/craype/2.7.17/bin/ftn
compiler_flags
-fp-model precise -ip -O3
tiling
008x016
history
ROMS/TOMS, Version 4.2, Friday - October 16, 2026 - 12:49:18 AM
ana_file
ROMS/Functionals/ana_btflux.h, ROMS/Functionals/ana_rain.h, ROMS/Functionals/ana_stflux.h
CPP_options
mode, ADD_FSOBC, ADD_M2OBC, ANA_BSFLUX, ANA_BTFLUX, ANA_RAIN, ANA_SSFLUX, ASSUMED_SHAPE, ATM_PRESS, BOUNDARY_ALLREDUCE, BULK_FLUXES, COLLECT_ALLGATHER, CURVGRID, DIFF_GRID, DJ_GRADPS, DOUBLE_PRECISION, EMINUSP, HDF5, LIMIT_STFLX_COOLING, KANTHA_CLAYSON, LONGWAVE_OUT, MASKING, MIX_GEO_TS, MIX_S_UV, MPI, MY25_MIXING, NONLINEAR, NONLIN_EOS, NO_LBC_ATT, N2S2_HORAVG, PERFECT_RESTART, POWER_LAW, PROFILE, K_GSCHEME, RADIATION_2D, REDUCE_ALLREDUCE, !RST_SINGLE, SALINITY, STEP2D_LF_AM3, SOLAR_SOURCE, SOLVE3D, SSH_TIDES, STATIONS, TS_DIF2, UV_ADV, UV_COR, UV_U3HADVECTION, UV_C4VADVECTION, UV_DRAG_GRID, UV_QDRAG, UV_TIDES, UV_VIS2, VAR_RHO_2D, VISC_GRID
_xpublish_id
dbofs_zarr3
Source & extent
Model core
ROMS
Grid type
SGRID (curvilinear)
Region
US East Coast
Spatial extent
−77.7301, 37.8102 → −73.2642, 40.2081
Store format
Zarr v3
Source store
s3://noaa-nodd-kerchunk-pds/zarr3/dbofs.zarr